./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ --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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- 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-dbf71c6-m [2022-10-17 11:06:57,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:06:57,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:06:57,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:06:57,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:06:57,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:06:57,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:06:57,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:06:57,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:06:57,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:06:57,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:06:57,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:06:57,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:06:57,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:06:57,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:06:57,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:06:57,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:06:57,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:06:57,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:06:57,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:06:57,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:06:57,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:06:57,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:06:57,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:06:57,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:06:57,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:06:57,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:06:57,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:06:57,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:06:57,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:06:57,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:06:57,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:06:57,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:06:57,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:06:57,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:06:57,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:06:57,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:06:57,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:06:57,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:06:57,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:06:57,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:06:57,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 11:06:57,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:06:57,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:06:57,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:06:57,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:06:57,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 11:06:57,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 11:06:57,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:06:57,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:06:57,842 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:06:57,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:06:57,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 11:06:57,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:06:57,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 11:06:57,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:06:57,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 11:06:57,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 11:06:57,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 11:06:57,844 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 11:06:57,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:06:57,844 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:06:57,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 11:06:57,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:06:57,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:06:57,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 11:06:57,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:06:57,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:06:57,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 11:06:57,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 11:06:57,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:06:57,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 11:06:57,846 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 11:06:57,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 11:06:57,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 11:06:57,847 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_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2022-10-17 11:06:58,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:06:58,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:06:58,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:06:58,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:06:58,178 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:06:58,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-10-17 11:06:58,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/data/f7852a36e/ae1b633b01e14fa9b10b060117b08ea6/FLAG3da0ef380 [2022-10-17 11:06:58,789 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:06:58,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2022-10-17 11:06:58,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/data/f7852a36e/ae1b633b01e14fa9b10b060117b08ea6/FLAG3da0ef380 [2022-10-17 11:06:59,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/data/f7852a36e/ae1b633b01e14fa9b10b060117b08ea6 [2022-10-17 11:06:59,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:06:59,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:06:59,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:06:59,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:06:59,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:06:59,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5dba0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59, skipping insertion in model container [2022-10-17 11:06:59,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:06:59,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:06:59,448 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_16ad2b59-73e7-4792-ba3a-6d0f4e556910/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2022-10-17 11:06:59,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:06:59,530 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:06:59,583 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_16ad2b59-73e7-4792-ba3a-6d0f4e556910/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2022-10-17 11:06:59,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:06:59,634 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:06:59,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59 WrapperNode [2022-10-17 11:06:59,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:06:59,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:06:59,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:06:59,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:06:59,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,715 INFO L138 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 192 [2022-10-17 11:06:59,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:06:59,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:06:59,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:06:59,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:06:59,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,777 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:06:59,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:06:59,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:06:59,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:06:59,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (1/1) ... [2022-10-17 11:06:59,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 11:06:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:06:59,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 11:06:59,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 11:06:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 11:06:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 11:06:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 11:06:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 11:06:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 11:06:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 11:06:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 11:06:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 11:06:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 11:06:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 11:06:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 11:06:59,866 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 11:06:59,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 11:06:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 11:06:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 11:06:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 11:06:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:06:59,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:06:59,939 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:06:59,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:07:00,319 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:07:00,327 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:07:00,327 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 11:07:00,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:07:00 BoogieIcfgContainer [2022-10-17 11:07:00,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:07:00,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 11:07:00,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 11:07:00,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 11:07:00,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:06:59" (1/3) ... [2022-10-17 11:07:00,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ec5e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:07:00, skipping insertion in model container [2022-10-17 11:07:00,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:06:59" (2/3) ... [2022-10-17 11:07:00,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ec5e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:07:00, skipping insertion in model container [2022-10-17 11:07:00,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:07:00" (3/3) ... [2022-10-17 11:07:00,338 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2022-10-17 11:07:00,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 11:07:00,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 11:07:00,411 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 11:07:00,418 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;@55fead06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 11:07:00,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 11:07:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 56 states have (on average 1.375) internal successors, (77), 62 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-17 11:07:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 11:07:00,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:07:00,434 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] [2022-10-17 11:07:00,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:07:00,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1579981807, now seen corresponding path program 1 times [2022-10-17 11:07:00,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:00,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983971230] [2022-10-17 11:07:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:00,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 11:07:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:00,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:00,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983971230] [2022-10-17 11:07:00,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983971230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:00,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:00,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 11:07:00,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936898227] [2022-10-17 11:07:00,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:00,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 11:07:00,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:00,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 11:07:00,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 11:07:00,824 INFO L87 Difference]: Start difference. First operand has 76 states, 56 states have (on average 1.375) internal successors, (77), 62 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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) [2022-10-17 11:07:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:07:00,892 INFO L93 Difference]: Finished difference Result 144 states and 193 transitions. [2022-10-17 11:07:00,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 11:07:00,901 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 [2022-10-17 11:07:00,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:07:00,917 INFO L225 Difference]: With dead ends: 144 [2022-10-17 11:07:00,917 INFO L226 Difference]: Without dead ends: 67 [2022-10-17 11:07:00,922 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 [2022-10-17 11:07:00,926 INFO L413 NwaCegarLoop]: 93 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, 93 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 [2022-10-17 11:07:00,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 11:07:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-10-17 11:07:00,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-10-17 11:07:00,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 54 states have internal predecessors, (63), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-10-17 11:07:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-10-17 11:07:01,002 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 23 [2022-10-17 11:07:01,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:07:01,003 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-10-17 11:07:01,004 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) [2022-10-17 11:07:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-10-17 11:07:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 11:07:01,008 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:07:01,009 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] [2022-10-17 11:07:01,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 11:07:01,010 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:07:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:01,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1991992407, now seen corresponding path program 1 times [2022-10-17 11:07:01,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:01,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872247835] [2022-10-17 11:07:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:01,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 11:07:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:01,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872247835] [2022-10-17 11:07:01,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872247835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:01,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:01,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 11:07:01,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168476468] [2022-10-17 11:07:01,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:01,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 11:07:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 11:07:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 11:07:01,203 INFO L87 Difference]: Start difference. First operand 67 states and 84 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) [2022-10-17 11:07:01,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:07:01,228 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2022-10-17 11:07:01,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 11:07:01,231 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 [2022-10-17 11:07:01,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:07:01,238 INFO L225 Difference]: With dead ends: 100 [2022-10-17 11:07:01,239 INFO L226 Difference]: Without dead ends: 58 [2022-10-17 11:07:01,242 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 [2022-10-17 11:07:01,243 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 12 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 126 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 [2022-10-17 11:07:01,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 11:07:01,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-17 11:07:01,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-10-17 11:07:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 11:07:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-10-17 11:07:01,263 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 24 [2022-10-17 11:07:01,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:07:01,264 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-10-17 11:07:01,264 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) [2022-10-17 11:07:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-10-17 11:07:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 11:07:01,267 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:07:01,267 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] [2022-10-17 11:07:01,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 11:07:01,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:07:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash -501539922, now seen corresponding path program 1 times [2022-10-17 11:07:01,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:01,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606881589] [2022-10-17 11:07:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:01,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 11:07:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:01,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:01,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606881589] [2022-10-17 11:07:01,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606881589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:01,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:01,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 11:07:01,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355541691] [2022-10-17 11:07:01,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:01,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:07:01,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:01,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:07:01,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:07:01,567 INFO L87 Difference]: Start difference. First operand 58 states and 72 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) [2022-10-17 11:07:01,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:07:01,728 INFO L93 Difference]: Finished difference Result 109 states and 138 transitions. [2022-10-17 11:07:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 11:07:01,729 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 [2022-10-17 11:07:01,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:07:01,731 INFO L225 Difference]: With dead ends: 109 [2022-10-17 11:07:01,731 INFO L226 Difference]: Without dead ends: 58 [2022-10-17 11:07:01,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 11:07:01,733 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 98 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 11:07:01,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 137 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 11:07:01,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-17 11:07:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-10-17 11:07:01,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 48 states have internal predecessors, (55), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 11:07:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2022-10-17 11:07:01,752 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 28 [2022-10-17 11:07:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:07:01,752 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2022-10-17 11:07:01,752 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) [2022-10-17 11:07:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-10-17 11:07:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 11:07:01,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:07:01,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:07:01,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 11:07:01,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:07:01,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:01,761 INFO L85 PathProgramCache]: Analyzing trace with hash -192778018, now seen corresponding path program 1 times [2022-10-17 11:07:01,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:01,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984498989] [2022-10-17 11:07:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:01,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 11:07:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 11:07:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:01,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:01,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984498989] [2022-10-17 11:07:01,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984498989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:01,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:01,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 11:07:01,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693166265] [2022-10-17 11:07:01,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:01,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:07:01,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:01,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:07:01,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:07:01,976 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 11:07:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:07:02,106 INFO L93 Difference]: Finished difference Result 159 states and 201 transitions. [2022-10-17 11:07:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 11:07:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-10-17 11:07:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:07:02,111 INFO L225 Difference]: With dead ends: 159 [2022-10-17 11:07:02,111 INFO L226 Difference]: Without dead ends: 108 [2022-10-17 11:07:02,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-17 11:07:02,122 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 43 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 11:07:02,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 338 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 11:07:02,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-10-17 11:07:02,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2022-10-17 11:07:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 85 states have internal predecessors, (97), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2022-10-17 11:07:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2022-10-17 11:07:02,165 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 33 [2022-10-17 11:07:02,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:07:02,166 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2022-10-17 11:07:02,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 11:07:02,166 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2022-10-17 11:07:02,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 11:07:02,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 11:07:02,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 11:07:02,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 11:07:02,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 11:07:02,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:07:02,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1881429350, now seen corresponding path program 1 times [2022-10-17 11:07:02,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:07:02,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169411377] [2022-10-17 11:07:02,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:07:02,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:07:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-17 11:07:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 11:07:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 11:07:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 11:07:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 11:07:02,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 11:07:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169411377] [2022-10-17 11:07:02,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169411377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 11:07:02,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 11:07:02,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 11:07:02,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499975685] [2022-10-17 11:07:02,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 11:07:02,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 11:07:02,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 11:07:02,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 11:07:02,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 11:07:02,406 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 11:07:02,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 11:07:02,546 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2022-10-17 11:07:02,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 11:07:02,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-10-17 11:07:02,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 11:07:02,547 INFO L225 Difference]: With dead ends: 180 [2022-10-17 11:07:02,548 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 11:07:02,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-17 11:07:02,555 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 11:07:02,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 11:07:02,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 11:07:02,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 11:07:02,557 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) [2022-10-17 11:07:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 11:07:02,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-10-17 11:07:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 11:07:02,558 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 11:07:02,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 11:07:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 11:07:02,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 11:07:02,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 11:07:02,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 11:07:02,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 11:07:03,024 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-10-17 11:07:03,025 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2022-10-17 11:07:03,025 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2022-10-17 11:07:03,025 INFO L895 garLoopResultBuilder]: At program point L832(lines 827 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,025 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-10-17 11:07:03,025 INFO L895 garLoopResultBuilder]: At program point L791(line 791) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,026 INFO L895 garLoopResultBuilder]: At program point L783(line 783) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,026 INFO L895 garLoopResultBuilder]: At program point L655(line 655) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,026 INFO L899 garLoopResultBuilder]: For program point L783-1(line 783) no Hoare annotation was computed. [2022-10-17 11:07:03,026 INFO L899 garLoopResultBuilder]: For program point L655-1(line 655) no Hoare annotation was computed. [2022-10-17 11:07:03,027 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2022-10-17 11:07:03,027 INFO L895 garLoopResultBuilder]: At program point L428-2(lines 424 435) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,027 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 745 768) no Hoare annotation was computed. [2022-10-17 11:07:03,027 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,027 INFO L895 garLoopResultBuilder]: At program point L796-1(lines 777 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,028 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 509) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,029 INFO L899 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed. [2022-10-17 11:07:03,029 INFO L899 garLoopResultBuilder]: For program point L756-1(lines 756 762) no Hoare annotation was computed. [2022-10-17 11:07:03,029 INFO L895 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 11:07:03,029 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 793) no Hoare annotation was computed. [2022-10-17 11:07:03,029 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 670) no Hoare annotation was computed. [2022-10-17 11:07:03,030 INFO L895 garLoopResultBuilder]: At program point L657-1(lines 649 673) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~4#1| 0) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-10-17 11:07:03,030 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 798) no Hoare annotation was computed. [2022-10-17 11:07:03,030 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 745 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-10-17 11:07:03,031 INFO L899 garLoopResultBuilder]: For program point L749-1(lines 748 767) no Hoare annotation was computed. [2022-10-17 11:07:03,031 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 745 768) no Hoare annotation was computed. [2022-10-17 11:07:03,031 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2022-10-17 11:07:03,031 INFO L902 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2022-10-17 11:07:03,031 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2022-10-17 11:07:03,032 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2022-10-17 11:07:03,032 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-10-17 11:07:03,032 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-10-17 11:07:03,033 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2022-10-17 11:07:03,033 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2022-10-17 11:07:03,033 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2022-10-17 11:07:03,033 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2022-10-17 11:07:03,033 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-10-17 11:07:03,033 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2022-10-17 11:07:03,034 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2022-10-17 11:07:03,034 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2022-10-17 11:07:03,034 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed. [2022-10-17 11:07:03,034 INFO L899 garLoopResultBuilder]: For program point L634-2(lines 634 641) no Hoare annotation was computed. [2022-10-17 11:07:03,034 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2022-10-17 11:07:03,035 INFO L895 garLoopResultBuilder]: At program point L721-2(lines 715 726) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 11:07:03,035 INFO L902 garLoopResultBuilder]: At program point L643(lines 624 646) the Hoare annotation is: true [2022-10-17 11:07:03,036 INFO L895 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-10-17 11:07:03,036 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2022-10-17 11:07:03,037 INFO L895 garLoopResultBuilder]: At program point L544(lines 539 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-10-17 11:07:03,037 INFO L899 garLoopResultBuilder]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2022-10-17 11:07:03,037 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 11:07:03,037 INFO L902 garLoopResultBuilder]: At program point L734(lines 675 738) the Hoare annotation is: true [2022-10-17 11:07:03,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 11:07:03,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 11:07:03,038 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 11:07:03,038 INFO L895 garLoopResultBuilder]: At program point L536(lines 532 538) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 11:07:03,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 11:07:03,038 INFO L895 garLoopResultBuilder]: At program point L731(lines 684 732) the Hoare annotation is: false [2022-10-17 11:07:03,038 INFO L895 garLoopResultBuilder]: At program point L529(lines 525 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-10-17 11:07:03,039 INFO L899 garLoopResultBuilder]: For program point L686(lines 685 730) no Hoare annotation was computed. [2022-10-17 11:07:03,039 INFO L899 garLoopResultBuilder]: For program point L715(lines 715 726) no Hoare annotation was computed. [2022-10-17 11:07:03,039 INFO L895 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 11:07:03,040 INFO L895 garLoopResultBuilder]: At program point L728(lines 685 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 11:07:03,040 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 701) no Hoare annotation was computed. [2022-10-17 11:07:03,041 INFO L899 garLoopResultBuilder]: For program point L695-1(lines 695 701) no Hoare annotation was computed. [2022-10-17 11:07:03,041 INFO L899 garLoopResultBuilder]: For program point L687(lines 687 691) no Hoare annotation was computed. [2022-10-17 11:07:03,041 INFO L902 garLoopResultBuilder]: At program point L621(lines 614 623) the Hoare annotation is: true [2022-10-17 11:07:03,041 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2022-10-17 11:07:03,041 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2022-10-17 11:07:03,041 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2022-10-17 11:07:03,042 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 769 775) no Hoare annotation was computed. [2022-10-17 11:07:03,042 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 769 775) the Hoare annotation is: true [2022-10-17 11:07:03,042 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 835 845) the Hoare annotation is: true [2022-10-17 11:07:03,042 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 835 845) no Hoare annotation was computed. [2022-10-17 11:07:03,042 INFO L902 garLoopResultBuilder]: At program point L840(line 840) the Hoare annotation is: true [2022-10-17 11:07:03,042 INFO L899 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed. [2022-10-17 11:07:03,043 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 835 845) no Hoare annotation was computed. [2022-10-17 11:07:03,046 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-10-17 11:07:03,048 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 11:07:03,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 11:07:03 BoogieIcfgContainer [2022-10-17 11:07:03,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 11:07:03,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 11:07:03,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 11:07:03,092 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 11:07:03,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:07:00" (3/4) ... [2022-10-17 11:07:03,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 11:07:03,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 11:07:03,102 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 11:07:03,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 11:07:03,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 11:07:03,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 11:07:03,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 11:07:03,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 11:07:03,122 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-10-17 11:07:03,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 11:07:03,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 11:07:03,124 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 11:07:03,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 11:07:03,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 11:07:03,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 11:07:03,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-10-17 11:07:03,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-10-17 11:07:03,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2022-10-17 11:07:03,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 11:07:03,160 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-10-17 11:07:03,161 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-10-17 11:07:03,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 11:07:03,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 11:07:03,162 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-10-17 11:07:03,199 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 11:07:03,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 11:07:03,200 INFO L158 Benchmark]: Toolchain (without parser) took 4104.45ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 77.7MB in the beginning and 112.5MB in the end (delta: -34.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:07:03,201 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 11:07:03,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.46ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 82.9MB in the end (delta: -5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 11:07:03,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.74ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:07:03,202 INFO L158 Benchmark]: Boogie Preprocessor took 62.22ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 11:07:03,202 INFO L158 Benchmark]: RCFGBuilder took 547.61ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 62.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 11:07:03,202 INFO L158 Benchmark]: TraceAbstraction took 2758.80ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 117.7MB in the end (delta: -56.3MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-10-17 11:07:03,203 INFO L158 Benchmark]: Witness Printer took 108.36ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 112.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 11:07:03,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.46ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 82.9MB in the end (delta: -5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.74ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 80.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.22ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.61ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 62.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2758.80ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 61.4MB in the beginning and 117.7MB in the end (delta: -56.3MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 108.36ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 112.5MB in the end (delta: 5.2MB). 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: 506]: 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 8 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 349 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 197 PreInvPairs, 219 NumberOfFragments, 291 HoareAnnotationTreeSize, 197 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 443 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 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: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-10-17 11:07:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16ad2b59-73e7-4792-ba3a-6d0f4e556910/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE