./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8 --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 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f --- 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-2329fc7 [2022-12-13 12:41:54,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:41:54,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:41:54,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:41:54,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:41:54,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:41:54,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:41:54,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:41:54,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:41:55,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:41:55,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:41:55,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:41:55,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:41:55,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:41:55,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:41:55,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:41:55,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:41:55,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:41:55,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:41:55,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:41:55,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:41:55,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:41:55,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:41:55,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:41:55,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:41:55,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:41:55,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:41:55,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:41:55,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:41:55,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:41:55,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:41:55,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:41:55,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:41:55,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:41:55,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:41:55,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:41:55,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:41:55,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:41:55,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:41:55,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:41:55,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:41:55,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 12:41:55,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:41:55,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:41:55,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:41:55,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:41:55,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:41:55,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:41:55,058 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:41:55,058 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:41:55,058 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:41:55,058 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:41:55,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:41:55,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:41:55,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:41:55,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:41:55,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:41:55,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:41:55,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:41:55,062 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:41:55,062 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_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f [2022-12-13 12:41:55,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:41:55,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:41:55,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:41:55,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:41:55,244 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:41:55,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2022-12-13 12:41:57,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:41:58,089 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:41:58,089 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2022-12-13 12:41:58,096 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/data/3946e408a/b743df228f7a433d834d36eff0f4b869/FLAG3bbefb2f4 [2022-12-13 12:41:58,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/data/3946e408a/b743df228f7a433d834d36eff0f4b869 [2022-12-13 12:41:58,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:41:58,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:41:58,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:41:58,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:41:58,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:41:58,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cfbe6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58, skipping insertion in model container [2022-12-13 12:41:58,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:41:58,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:41:58,242 WARN L237 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_a459029b-0b57-4027-a5b8-8a52ea950f6c/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1605,1618] [2022-12-13 12:41:58,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:41:58,318 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:41:58,328 WARN L237 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_a459029b-0b57-4027-a5b8-8a52ea950f6c/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1605,1618] [2022-12-13 12:41:58,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:41:58,375 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:41:58,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58 WrapperNode [2022-12-13 12:41:58,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:41:58,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:41:58,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:41:58,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:41:58,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,411 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 52, statements flattened = 361 [2022-12-13 12:41:58,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:41:58,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:41:58,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:41:58,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:41:58,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:41:58,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:41:58,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:41:58,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:41:58,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (1/1) ... [2022-12-13 12:41:58,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:41:58,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:41:58,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:41:58,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:41:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:41:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:41:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:41:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:41:58,574 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:41:58,576 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:41:58,814 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:41:58,821 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:41:58,822 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 12:41:58,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:41:58 BoogieIcfgContainer [2022-12-13 12:41:58,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:41:58,825 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:41:58,825 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:41:58,828 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:41:58,829 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:41:58,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:41:58" (1/3) ... [2022-12-13 12:41:58,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@747bc546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:41:58, skipping insertion in model container [2022-12-13 12:41:58,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:41:58,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:41:58" (2/3) ... [2022-12-13 12:41:58,831 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@747bc546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:41:58, skipping insertion in model container [2022-12-13 12:41:58,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:41:58,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:41:58" (3/3) ... [2022-12-13 12:41:58,832 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2022-12-13 12:41:58,881 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:41:58,881 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:41:58,881 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:41:58,881 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:41:58,881 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:41:58,881 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:41:58,881 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:41:58,881 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:41:58,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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) [2022-12-13 12:41:58,907 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2022-12-13 12:41:58,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:41:58,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:41:58,914 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:41:58,914 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:41:58,914 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:41:58,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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) [2022-12-13 12:41:58,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2022-12-13 12:41:58,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:41:58,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:41:58,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:41:58,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:41:58,930 INFO L748 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 94#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 82#valid_product_returnLabel#1true main_#t~ret31#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 113#L587true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 67#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 36#L704-2true [2022-12-13 12:41:58,931 INFO L750 eck$LassoCheckResult]: Loop: 36#L704-2true assume !false; 95#L705true assume test_~splverifierCounter~0#1 < 4; 97#L706true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 8#L714true assume !(0 != test_~tmp~5#1); 80#L714-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 16#L724true assume !(0 != test_~tmp___0~1#1); 11#L724-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 89#L734true assume 0 != test_~tmp___2~0#1; 26#L740-2true assume { :begin_inline_timeShift } true; 40#L770true assume !(0 != ~pumpRunning~0); 104#L770-2true assume !(0 != ~systemActive~0); 19#L777-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 107#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 98#L109true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 55#L115-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 59#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 36#L704-2true [2022-12-13 12:41:58,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:58,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 12:41:58,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:58,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721576497] [2022-12-13 12:41:58,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:58,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:41:59,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1634798282, now seen corresponding path program 1 times [2022-12-13 12:41:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928494975] [2022-12-13 12:41:59,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:41:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash -279379206, now seen corresponding path program 1 times [2022-12-13 12:41:59,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654616481] [2022-12-13 12:41:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:41:59,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:41:59,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:41:59,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654616481] [2022-12-13 12:41:59,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654616481] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:41:59,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:41:59,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:41:59,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292518846] [2022-12-13 12:41:59,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:41:59,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:41:59,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:41:59,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:41:59,393 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-12-13 12:41:59,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:41:59,507 INFO L93 Difference]: Finished difference Result 281 states and 362 transitions. [2022-12-13 12:41:59,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 362 transitions. [2022-12-13 12:41:59,514 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2022-12-13 12:41:59,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 251 states and 332 transitions. [2022-12-13 12:41:59,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2022-12-13 12:41:59,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2022-12-13 12:41:59,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 332 transitions. [2022-12-13 12:41:59,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:41:59,523 INFO L218 hiAutomatonCegarLoop]: Abstraction has 251 states and 332 transitions. [2022-12-13 12:41:59,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 332 transitions. [2022-12-13 12:41:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 157. [2022-12-13 12:41:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 156 states have internal predecessors, (208), 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) [2022-12-13 12:41:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2022-12-13 12:41:59,552 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 208 transitions. [2022-12-13 12:41:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:41:59,556 INFO L428 stractBuchiCegarLoop]: Abstraction has 157 states and 208 transitions. [2022-12-13 12:41:59,556 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:41:59,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 208 transitions. [2022-12-13 12:41:59,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2022-12-13 12:41:59,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:41:59,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:41:59,559 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:41:59,559 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] [2022-12-13 12:41:59,560 INFO L748 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 444#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 445#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 500#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 501#L587 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 491#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 462#L704-2 [2022-12-13 12:41:59,560 INFO L750 eck$LassoCheckResult]: Loop: 462#L704-2 assume !false; 463#L705 assume test_~splverifierCounter~0#1 < 4; 504#L706 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 417#L714 assume !(0 != test_~tmp~5#1); 419#L714-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 434#L724 assume !(0 != test_~tmp___0~1#1); 424#L724-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 425#L734 assume 0 != test_~tmp___2~0#1; 448#L740-2 assume { :begin_inline_timeShift } true; 449#L770 assume !(0 != ~pumpRunning~0); 467#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 469#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 471#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 421#L802-1 assume { :end_inline_processEnvironment } true; 441#L777-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 442#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 505#L109 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 478#L115-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 485#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 462#L704-2 [2022-12-13 12:41:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 12:41:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890616558] [2022-12-13 12:41:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:41:59,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash -313185568, now seen corresponding path program 1 times [2022-12-13 12:41:59,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720243594] [2022-12-13 12:41:59,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:41:59,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1988957852, now seen corresponding path program 1 times [2022-12-13 12:41:59,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027611832] [2022-12-13 12:41:59,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:41:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:41:59,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:41:59,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027611832] [2022-12-13 12:41:59,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027611832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:41:59,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:41:59,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:41:59,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930332168] [2022-12-13 12:41:59,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:41:59,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:41:59,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:41:59,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:41:59,756 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-12-13 12:41:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:41:59,834 INFO L93 Difference]: Finished difference Result 546 states and 727 transitions. [2022-12-13 12:41:59,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 546 states and 727 transitions. [2022-12-13 12:41:59,845 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 412 [2022-12-13 12:41:59,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 546 states to 546 states and 727 transitions. [2022-12-13 12:41:59,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 546 [2022-12-13 12:41:59,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 546 [2022-12-13 12:41:59,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 546 states and 727 transitions. [2022-12-13 12:41:59,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:41:59,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 546 states and 727 transitions. [2022-12-13 12:41:59,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states and 727 transitions. [2022-12-13 12:41:59,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 307. [2022-12-13 12:41:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 307 states have (on average 1.3061889250814331) internal successors, (401), 306 states have internal predecessors, (401), 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) [2022-12-13 12:41:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2022-12-13 12:41:59,877 INFO L240 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2022-12-13 12:41:59,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:41:59,878 INFO L428 stractBuchiCegarLoop]: Abstraction has 307 states and 401 transitions. [2022-12-13 12:41:59,878 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 12:41:59,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 401 transitions. [2022-12-13 12:41:59,881 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2022-12-13 12:41:59,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:41:59,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:41:59,882 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:41:59,882 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] [2022-12-13 12:41:59,882 INFO L748 eck$LassoCheckResult]: Stem: 1174#$Ultimate##0 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1175#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret31#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1167#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1168#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1236#valid_product_returnLabel#1 main_#t~ret31#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 1237#L587 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1222#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1223#L704-2 [2022-12-13 12:41:59,883 INFO L750 eck$LassoCheckResult]: Loop: 1223#L704-2 assume !false; 1388#L705 assume test_~splverifierCounter~0#1 < 4; 1389#L706 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1431#L714 assume !(0 != test_~tmp~5#1); 1429#L714-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1428#L724 assume !(0 != test_~tmp___0~1#1); 1425#L724-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1423#L734 assume 0 != test_~tmp___2~0#1; 1421#L740-2 assume { :begin_inline_timeShift } true; 1418#L770 assume !(0 != ~pumpRunning~0); 1416#L770-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1352#L802 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1409#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1408#L802-1 assume { :end_inline_processEnvironment } true; 1402#L777-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1401#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1400#L109 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 1399#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1; 1396#L115 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1395#L115-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1394#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1223#L704-2 [2022-12-13 12:41:59,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 12:41:59,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932795145] [2022-12-13 12:41:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:41:59,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,902 INFO L85 PathProgramCache]: Analyzing trace with hash -322368461, now seen corresponding path program 1 times [2022-12-13 12:41:59,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439177362] [2022-12-13 12:41:59,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:41:59,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:41:59,913 INFO L85 PathProgramCache]: Analyzing trace with hash 129300719, now seen corresponding path program 1 times [2022-12-13 12:41:59,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:41:59,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605291972] [2022-12-13 12:41:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:41:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:41:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:41:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:41:59,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:42:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:42:00,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:42:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:42:00,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:42:00 BoogieIcfgContainer [2022-12-13 12:42:00,621 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:42:00,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:42:00,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:42:00,622 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:42:00,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:41:58" (3/4) ... [2022-12-13 12:42:00,624 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 12:42:00,664 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:42:00,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:42:00,665 INFO L158 Benchmark]: Toolchain (without parser) took 2556.20ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 91.1MB in the beginning and 136.0MB in the end (delta: -45.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:42:00,665 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:42:00,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.55ms. Allocated memory is still 132.1MB. Free memory was 91.1MB in the beginning and 72.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:42:00,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.83ms. Allocated memory is still 132.1MB. Free memory was 72.6MB in the beginning and 70.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:42:00,666 INFO L158 Benchmark]: Boogie Preprocessor took 26.96ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:42:00,667 INFO L158 Benchmark]: RCFGBuilder took 384.99ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 50.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 12:42:00,667 INFO L158 Benchmark]: BuchiAutomizer took 1796.33ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 50.0MB in the beginning and 138.1MB in the end (delta: -88.1MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-12-13 12:42:00,668 INFO L158 Benchmark]: Witness Printer took 42.43ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:42:00,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.55ms. Allocated memory is still 132.1MB. Free memory was 91.1MB in the beginning and 72.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.83ms. Allocated memory is still 132.1MB. Free memory was 72.6MB in the beginning and 70.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.96ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.99ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 50.4MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1796.33ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 50.0MB in the beginning and 138.1MB in the end (delta: -88.1MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 42.43ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). 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 307 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 333 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, 993 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 993 mSDsluCounter, 1665 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1336 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 329 mSDtfsCounter, 87 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: 704]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L704] COND TRUE 1 [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp)) [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L785] RET __utac_acc__Specification3_spec__1() [L749] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 704]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L704] COND TRUE 1 [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp)) [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND TRUE \read(tmp___2) [L749] CALL timeShift() [L770] COND FALSE !(\read(pumpRunning)) [L777] COND TRUE \read(systemActive) [L779] CALL processEnvironment() [L799] int tmp ; [L802] COND FALSE !(\read(pumpRunning)) [L817] FCALL processEnvironment__wrappee__base() [L779] RET processEnvironment() [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L785] RET __utac_acc__Specification3_spec__1() [L749] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 12:42:00,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a459029b-0b57-4027-a5b8-8a52ea950f6c/bin/uautomizer-uyxdKDjOR8/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)