./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee --- 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-e04fb08 [2022-11-16 11:07:39,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:07:39,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:07:39,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:07:39,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:07:39,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:07:39,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:07:39,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:07:39,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:07:39,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:07:39,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:07:39,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:07:39,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:07:39,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:07:39,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:07:39,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:07:39,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:07:39,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:07:39,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:07:39,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:07:39,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:07:39,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:07:39,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:07:39,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:07:39,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:07:39,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:07:39,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:07:39,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:07:39,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:07:39,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:07:39,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:07:39,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:07:39,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:07:39,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:07:39,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:07:39,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:07:39,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:07:39,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:07:39,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:07:39,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:07:39,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:07:39,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:07:39,663 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:07:39,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:07:39,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:07:39,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:07:39,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:07:39,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:07:39,678 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:07:39,678 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:07:39,678 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:07:39,678 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:07:39,679 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:07:39,679 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:07:39,679 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:07:39,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:07:39,680 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:07:39,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:07:39,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:07:39,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:07:39,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:07:39,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:07:39,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:07:39,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:07:39,681 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:07:39,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:07:39,682 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:07:39,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:07:39,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:07:39,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:07:39,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:07:39,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:07:39,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:07:39,685 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:07:39,685 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee [2022-11-16 11:07:40,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:07:40,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:07:40,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:07:40,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:07:40,031 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:07:40,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2022-11-16 11:07:40,105 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/data/f8d7bfb56/1d56cd5ea4ca44248570a8a8d2581912/FLAG7b61f78e4 [2022-11-16 11:07:40,647 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:07:40,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2022-11-16 11:07:40,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/data/f8d7bfb56/1d56cd5ea4ca44248570a8a8d2581912/FLAG7b61f78e4 [2022-11-16 11:07:40,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/data/f8d7bfb56/1d56cd5ea4ca44248570a8a8d2581912 [2022-11-16 11:07:40,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:07:40,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:07:40,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:40,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:07:40,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:07:40,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:40" (1/1) ... [2022-11-16 11:07:40,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:40, skipping insertion in model container [2022-11-16 11:07:40,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:40" (1/1) ... [2022-11-16 11:07:40,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:07:41,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:07:41,207 WARN L229 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_b436ab30-9ce1-4c65-ab48-7fa437a5a206/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2022-11-16 11:07:41,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:41,330 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:07:41,350 WARN L229 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_b436ab30-9ce1-4c65-ab48-7fa437a5a206/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c[1605,1618] [2022-11-16 11:07:41,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:07:41,470 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:07:41,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41 WrapperNode [2022-11-16 11:07:41,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:41,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:41,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:07:41,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:07:41,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,539 INFO L138 Inliner]: procedures = 53, calls = 154, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 402 [2022-11-16 11:07:41,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:07:41,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:07:41,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:07:41,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:07:41,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:07:41,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:07:41,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:07:41,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:07:41,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (1/1) ... [2022-11-16 11:07:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:07:41,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:41,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:07:41,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:07:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:07:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:07:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:07:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:07:41,776 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:07:41,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:07:42,068 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:07:42,076 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:07:42,076 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:07:42,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:42 BoogieIcfgContainer [2022-11-16 11:07:42,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:07:42,095 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:07:42,095 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:07:42,099 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:07:42,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:07:42,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:07:40" (1/3) ... [2022-11-16 11:07:42,101 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52e8388a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:07:42, skipping insertion in model container [2022-11-16 11:07:42,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:07:42,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:41" (2/3) ... [2022-11-16 11:07:42,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52e8388a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:07:42, skipping insertion in model container [2022-11-16 11:07:42,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:07:42,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:42" (3/3) ... [2022-11-16 11:07:42,103 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2022-11-16 11:07:42,199 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:07:42,200 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:07:42,200 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:07:42,200 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:07:42,200 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:07:42,200 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:07:42,200 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:07:42,201 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:07:42,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-11-16 11:07:42,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:07:42,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:07:42,255 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:42,255 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:42,256 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:07:42,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:42,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2022-11-16 11:07:42,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:07:42,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:07:42,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:42,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:42,297 INFO L748 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 43#L802true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7#L795true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 6#L810true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 75#L149true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 41#L122true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 16#L541-2true [2022-11-16 11:07:42,298 INFO L750 eck$LassoCheckResult]: Loop: 16#L541-2true assume !false; 8#L542true assume test_~splverifierCounter~0#1 < 4; 40#L543true test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 24#L551true assume !(0 != test_~tmp~4#1); 106#L551-2true test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 57#L561true assume !(0 != test_~tmp___0~0#1); 29#L561-2true test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 99#L571true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 11#L579true assume !(0 != test_~tmp___1~0#1); 35#L579-2true assume { :begin_inline_timeShift } true; 28#L614true assume !(0 != ~pumpRunning~0); 31#L614-2true assume !(0 != ~systemActive~0); 78#L621-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 108#L859-1true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 98#L905true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 88#L911-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 61#L631true assume { :end_inline_timeShift } true; 16#L541-2true [2022-11-16 11:07:42,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:42,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 11:07:42,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:42,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188889606] [2022-11-16 11:07:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:42,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:42,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:42,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:42,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:42,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1173736865, now seen corresponding path program 1 times [2022-11-16 11:07:42,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:42,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990271374] [2022-11-16 11:07:42,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:42,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:42,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:42,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash 242055261, now seen corresponding path program 1 times [2022-11-16 11:07:42,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:42,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258318204] [2022-11-16 11:07:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:42,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:42,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258318204] [2022-11-16 11:07:42,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258318204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:42,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:42,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:07:42,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072257909] [2022-11-16 11:07:42,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:43,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:43,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:07:43,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:07:43,109 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:43,322 INFO L93 Difference]: Finished difference Result 366 states and 467 transitions. [2022-11-16 11:07:43,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 366 states and 467 transitions. [2022-11-16 11:07:43,337 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 236 [2022-11-16 11:07:43,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 366 states to 326 states and 427 transitions. [2022-11-16 11:07:43,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 326 [2022-11-16 11:07:43,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 326 [2022-11-16 11:07:43,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 326 states and 427 transitions. [2022-11-16 11:07:43,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:43,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 326 states and 427 transitions. [2022-11-16 11:07:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states and 427 transitions. [2022-11-16 11:07:43,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 152. [2022-11-16 11:07:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 152 states have (on average 1.3157894736842106) internal successors, (200), 151 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 200 transitions. [2022-11-16 11:07:43,390 INFO L240 hiAutomatonCegarLoop]: Abstraction has 152 states and 200 transitions. [2022-11-16 11:07:43,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:07:43,394 INFO L428 stractBuchiCegarLoop]: Abstraction has 152 states and 200 transitions. [2022-11-16 11:07:43,394 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:07:43,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 152 states and 200 transitions. [2022-11-16 11:07:43,396 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 109 [2022-11-16 11:07:43,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:07:43,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:07:43,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:43,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:43,397 INFO L748 eck$LassoCheckResult]: Stem: 580#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 573#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 574#L802 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 508#L795 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 503#L810 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 504#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 548#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 510#L541-2 [2022-11-16 11:07:43,398 INFO L750 eck$LassoCheckResult]: Loop: 510#L541-2 assume !false; 511#L542 assume test_~splverifierCounter~0#1 < 4; 512#L543 test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 557#L551 assume !(0 != test_~tmp~4#1); 559#L551-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 498#L561 assume !(0 != test_~tmp___0~0#1); 500#L561-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 572#L571 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 521#L579 assume !(0 != test_~tmp___1~0#1); 522#L579-2 assume { :begin_inline_timeShift } true; 570#L614 assume !(0 != ~pumpRunning~0); 571#L614-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 538#L646 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 540#L638-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 534#L646-1 assume { :end_inline_processEnvironment } true; 550#L621-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 560#L859-1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 581#L905 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 547#L911-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 509#L631 assume { :end_inline_timeShift } true; 510#L541-2 [2022-11-16 11:07:43,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 11:07:43,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178583572] [2022-11-16 11:07:43,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1267798985, now seen corresponding path program 1 times [2022-11-16 11:07:43,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299371319] [2022-11-16 11:07:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1379170299, now seen corresponding path program 1 times [2022-11-16 11:07:43,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349583323] [2022-11-16 11:07:43,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:07:43,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:43,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349583323] [2022-11-16 11:07:43,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349583323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:43,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:07:43,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:07:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748506384] [2022-11-16 11:07:43,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:43,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:43,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:07:43,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:07:43,751 INFO L87 Difference]: Start difference. First operand 152 states and 200 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:43,921 INFO L93 Difference]: Finished difference Result 520 states and 686 transitions. [2022-11-16 11:07:43,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 520 states and 686 transitions. [2022-11-16 11:07:43,926 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 392 [2022-11-16 11:07:43,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 520 states to 520 states and 686 transitions. [2022-11-16 11:07:43,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 520 [2022-11-16 11:07:43,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 520 [2022-11-16 11:07:43,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 520 states and 686 transitions. [2022-11-16 11:07:43,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:07:43,933 INFO L218 hiAutomatonCegarLoop]: Abstraction has 520 states and 686 transitions. [2022-11-16 11:07:43,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states and 686 transitions. [2022-11-16 11:07:43,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 297. [2022-11-16 11:07:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 297 states have (on average 1.2962962962962963) internal successors, (385), 296 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:07:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 385 transitions. [2022-11-16 11:07:43,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 297 states and 385 transitions. [2022-11-16 11:07:43,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:07:43,950 INFO L428 stractBuchiCegarLoop]: Abstraction has 297 states and 385 transitions. [2022-11-16 11:07:43,950 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:07:43,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 297 states and 385 transitions. [2022-11-16 11:07:43,952 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 218 [2022-11-16 11:07:43,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:07:43,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:07:43,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:43,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:43,954 INFO L748 eck$LassoCheckResult]: Stem: 1294#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1277#L802 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1197#L795 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1192#L810 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1193#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1238#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1199#L541-2 [2022-11-16 11:07:43,954 INFO L750 eck$LassoCheckResult]: Loop: 1199#L541-2 assume !false; 1202#L542 assume test_~splverifierCounter~0#1 < 4; 1203#L543 test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 1477#L551 assume !(0 != test_~tmp~4#1); 1476#L551-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1473#L561 assume !(0 != test_~tmp___0~0#1); 1471#L561-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1470#L571 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1448#L776 assume { :end_inline_startSystem } true; 1211#L579-2 assume { :begin_inline_timeShift } true; 1466#L614 assume !(0 != ~pumpRunning~0); 1464#L614-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1434#L646 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 1287#L638-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1223#L646-1 assume { :end_inline_processEnvironment } true; 1240#L621-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1253#L859-1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 1295#L905 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1195#L891 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1196#L911 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 1237#L911-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1198#L631 assume { :end_inline_timeShift } true; 1199#L541-2 [2022-11-16 11:07:43,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-16 11:07:43,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341622165] [2022-11-16 11:07:43,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:43,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,980 INFO L85 PathProgramCache]: Analyzing trace with hash 192019704, now seen corresponding path program 1 times [2022-11-16 11:07:43,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681421018] [2022-11-16 11:07:43,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:43,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1308862396, now seen corresponding path program 1 times [2022-11-16 11:07:43,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:43,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789649246] [2022-11-16 11:07:43,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:44,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:44,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:48,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:48,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:07:48 BoogieIcfgContainer [2022-11-16 11:07:48,198 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:07:48,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:07:48,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:07:48,198 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:07:48,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:07:42" (3/4) ... [2022-11-16 11:07:48,201 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 11:07:48,256 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:07:48,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:07:48,258 INFO L158 Benchmark]: Toolchain (without parser) took 7296.33ms. Allocated memory was 111.1MB in the beginning and 197.1MB in the end (delta: 86.0MB). Free memory was 66.0MB in the beginning and 63.6MB in the end (delta: 2.4MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,258 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:48,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.57ms. Allocated memory is still 111.1MB. Free memory was 65.9MB in the beginning and 76.8MB in the end (delta: -10.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.11ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 74.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,260 INFO L158 Benchmark]: Boogie Preprocessor took 74.17ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 71.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,261 INFO L158 Benchmark]: RCFGBuilder took 478.50ms. Allocated memory is still 111.1MB. Free memory was 71.8MB in the beginning and 52.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,261 INFO L158 Benchmark]: BuchiAutomizer took 6102.93ms. Allocated memory was 111.1MB in the beginning and 197.1MB in the end (delta: 86.0MB). Free memory was 51.8MB in the beginning and 66.8MB in the end (delta: -15.0MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,262 INFO L158 Benchmark]: Witness Printer took 58.68ms. Allocated memory is still 197.1MB. Free memory was 66.8MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:07:48,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.57ms. Allocated memory is still 111.1MB. Free memory was 65.9MB in the beginning and 76.8MB in the end (delta: -10.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.11ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 74.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.17ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 71.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.50ms. Allocated memory is still 111.1MB. Free memory was 71.8MB in the beginning and 52.0MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 6102.93ms. Allocated memory was 111.1MB in the beginning and 197.1MB in the end (delta: 86.0MB). Free memory was 51.8MB in the beginning and 66.8MB in the end (delta: -15.0MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Witness Printer took 58.68ms. Allocated memory is still 197.1MB. Free memory was 66.8MB in the beginning and 63.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 297 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 397 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1146 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1146 mSDsluCounter, 1659 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1359 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 300 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 541]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int methaneLevelCritical = 0; [L606] int pumpRunning = 0; [L816] int waterLevel = 1; [L607] int systemActive = 1; [L59] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L573] CALL startSystem() [L775] systemActive = 1 [L573] RET startSystem() [L588] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND FALSE !(\read(pumpRunning)) [L661] FCALL processEnvironment__wrappee__methaneQuery() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification3_spec__1() [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; [L903] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L909] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L909] RET, EXPR getWaterLevel() [L909] tmp___0 = getWaterLevel() [L911] COND FALSE !(tmp___0 == 2) [L629] RET __utac_acc__Specification3_spec__1() [L588] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 541]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L817] int methaneLevelCritical = 0; [L606] int pumpRunning = 0; [L816] int waterLevel = 1; [L607] int systemActive = 1; [L59] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L573] CALL startSystem() [L775] systemActive = 1 [L573] RET startSystem() [L588] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND FALSE !(\read(pumpRunning)) [L661] FCALL processEnvironment__wrappee__methaneQuery() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification3_spec__1() [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; [L903] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L909] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L909] RET, EXPR getWaterLevel() [L909] tmp___0 = getWaterLevel() [L911] COND FALSE !(tmp___0 == 2) [L629] RET __utac_acc__Specification3_spec__1() [L588] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:07:48,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b436ab30-9ce1-4c65-ab48-7fa437a5a206/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)