./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.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_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/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_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/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_85c07ef6-c779-4d43-b688-67cd227938e3/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 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- 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 11:47:18,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:47:18,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:47:18,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:47:18,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:47:18,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:47:18,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:47:18,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:47:18,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:47:18,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:47:18,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:47:18,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:47:18,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:47:18,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:47:18,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:47:18,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:47:18,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:47:18,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:47:18,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:47:18,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:47:18,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:47:18,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:47:18,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:47:18,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:47:18,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:47:18,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:47:18,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:47:18,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:47:18,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:47:18,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:47:18,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:47:18,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:47:18,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:47:18,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:47:18,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:47:18,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:47:18,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:47:18,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:47:18,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:47:18,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:47:18,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:47:18,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:47:18,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:47:18,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:47:18,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:47:18,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:47:18,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:47:18,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:47:18,913 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:47:18,913 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:47:18,914 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:47:18,914 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:47:18,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:47:18,916 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:47:18,916 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:47:18,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:47:18,917 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:47:18,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:47:18,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:47:18,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:47:18,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:47:18,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:47:18,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:47:18,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:47:18,919 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:47:18,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:47:18,920 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:47:18,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:47:18,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:47:18,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:47:18,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:47:18,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:47:18,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:47:18,925 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:47:18,925 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_85c07ef6-c779-4d43-b688-67cd227938e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2022-11-16 11:47:19,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:47:19,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:47:19,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:47:19,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:47:19,335 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:47:19,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2022-11-16 11:47:19,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/data/a0e7843cf/6659e65e1f844f5dbbeb1572178b3cfa/FLAGb76ee3090 [2022-11-16 11:47:20,136 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:47:20,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2022-11-16 11:47:20,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/data/a0e7843cf/6659e65e1f844f5dbbeb1572178b3cfa/FLAGb76ee3090 [2022-11-16 11:47:20,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/data/a0e7843cf/6659e65e1f844f5dbbeb1572178b3cfa [2022-11-16 11:47:20,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:47:20,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:47:20,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:20,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:47:20,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:47:20,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:20,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5010faff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20, skipping insertion in model container [2022-11-16 11:47:20,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:20,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:47:20,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:47:20,684 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_85c07ef6-c779-4d43-b688-67cd227938e3/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2022-11-16 11:47:20,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:20,835 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:47:20,852 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_85c07ef6-c779-4d43-b688-67cd227938e3/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2022-11-16 11:47:20,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:20,944 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:47:20,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20 WrapperNode [2022-11-16 11:47:20,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:20,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:20,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:47:20,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:47:20,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:20,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,022 INFO L138 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 57, calls inlined = 104, statements flattened = 754 [2022-11-16 11:47:21,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:21,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:47:21,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:47:21,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:47:21,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:47:21,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:47:21,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:47:21,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:47:21,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (1/1) ... [2022-11-16 11:47:21,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:47:21,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:47:21,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:47:21,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:47:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:47:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:47:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:47:21,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:47:21,269 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:47:21,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:47:22,232 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:47:22,243 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:47:22,244 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:47:22,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:22 BoogieIcfgContainer [2022-11-16 11:47:22,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:47:22,264 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:47:22,265 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:47:22,270 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:47:22,271 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:47:22,272 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:47:20" (1/3) ... [2022-11-16 11:47:22,273 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f7a22f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:47:22, skipping insertion in model container [2022-11-16 11:47:22,273 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:47:22,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:20" (2/3) ... [2022-11-16 11:47:22,274 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f7a22f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:47:22, skipping insertion in model container [2022-11-16 11:47:22,275 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:47:22,275 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:22" (3/3) ... [2022-11-16 11:47:22,277 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2022-11-16 11:47:22,411 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:47:22,412 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:47:22,412 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:47:22,412 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:47:22,412 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:47:22,413 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:47:22,413 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:47:22,413 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:47:22,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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 11:47:22,484 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2022-11-16 11:47:22,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:47:22,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:47:22,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:22,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:22,498 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:47:22,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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 11:47:22,520 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2022-11-16 11:47:22,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:47:22,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:47:22,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:22,533 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:22,547 INFO L748 eck$LassoCheckResult]: Stem: 185#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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;~switchedOnBeforeTS~0 := 0; 121#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 54#L843true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L836true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 153#L851true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 28#L441true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 78#L413true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 100#L863true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 118#L297-2true [2022-11-16 11:47:22,548 INFO L750 eck$LassoCheckResult]: Loop: 118#L297-2true assume !false; 108#L298true assume test_~splverifierCounter~0#1 < 4; 37#L299true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 149#L307true assume !(0 != test_~tmp~4#1); 21#L307-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 89#L317true assume !(0 != test_~tmp___0~1#1); 42#L317-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 99#L327true assume 0 != test_~tmp___2~0#1; 143#L333-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 178#L209true __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 38#L873true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 187#L81true assume !(0 != ~pumpRunning~0); 163#L81-2true assume !(0 != ~systemActive~0); 73#L88-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 92#L981true __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 104#L884true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 50#L884-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 169#L98true assume { :end_inline_timeShift } true; 118#L297-2true [2022-11-16 11:47:22,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:22,558 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-16 11:47:22,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:22,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718113423] [2022-11-16 11:47:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:22,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:22,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:22,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:22,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1358986284, now seen corresponding path program 1 times [2022-11-16 11:47:22,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:22,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764078557] [2022-11-16 11:47:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:22,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:22,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:22,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:22,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:22,921 INFO L85 PathProgramCache]: Analyzing trace with hash 19633877, now seen corresponding path program 1 times [2022-11-16 11:47:22,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:22,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358071412] [2022-11-16 11:47:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:23,279 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 11:47:23,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:23,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358071412] [2022-11-16 11:47:23,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358071412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:23,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:23,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:23,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484364137] [2022-11-16 11:47:23,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:23,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:23,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:47:23,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:47:23,534 INFO L87 Difference]: Start difference. First operand has 194 states, 193 states have (on average 1.3523316062176165) internal successors, (261), 193 states have internal predecessors, (261), 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 4.333333333333333) internal successors, (26), 5 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) [2022-11-16 11:47:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:23,716 INFO L93 Difference]: Finished difference Result 447 states and 582 transitions. [2022-11-16 11:47:23,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 447 states and 582 transitions. [2022-11-16 11:47:23,729 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 289 [2022-11-16 11:47:23,738 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 447 states to 417 states and 552 transitions. [2022-11-16 11:47:23,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 417 [2022-11-16 11:47:23,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 417 [2022-11-16 11:47:23,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 417 states and 552 transitions. [2022-11-16 11:47:23,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:23,746 INFO L218 hiAutomatonCegarLoop]: Abstraction has 417 states and 552 transitions. [2022-11-16 11:47:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states and 552 transitions. [2022-11-16 11:47:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 242. [2022-11-16 11:47:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 242 states have (on average 1.322314049586777) internal successors, (320), 241 states have internal predecessors, (320), 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 11:47:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 320 transitions. [2022-11-16 11:47:23,804 INFO L240 hiAutomatonCegarLoop]: Abstraction has 242 states and 320 transitions. [2022-11-16 11:47:23,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:47:23,810 INFO L428 stractBuchiCegarLoop]: Abstraction has 242 states and 320 transitions. [2022-11-16 11:47:23,811 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:47:23,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 242 states and 320 transitions. [2022-11-16 11:47:23,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2022-11-16 11:47:23,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:47:23,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:47:23,816 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:23,816 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, 1] [2022-11-16 11:47:23,816 INFO L748 eck$LassoCheckResult]: Stem: 838#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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;~switchedOnBeforeTS~0 := 0; 781#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 782#L843 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 712#L836 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 713#L851 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 735#L441 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 736#L413 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 737#L863 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 738#L297-2 [2022-11-16 11:47:23,817 INFO L750 eck$LassoCheckResult]: Loop: 738#L297-2 assume !false; 755#L298 assume test_~splverifierCounter~0#1 < 4; 756#L299 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 778#L307 assume !(0 != test_~tmp~4#1); 692#L307-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 676#L317 assume !(0 != test_~tmp___0~1#1); 678#L317-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 728#L327 assume 0 != test_~tmp___2~0#1; 729#L333-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 812#L209 __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 784#L873 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 785#L81 assume !(0 != ~pumpRunning~0); 814#L81-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 752#L139 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 753#L113-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 792#L105-3 assume { :end_inline_processEnvironment__wrappee__base } true; 786#L113-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 695#L139-1 assume { :end_inline_processEnvironment } true; 696#L88-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 699#L981 __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 700#L884 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 702#L884-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 807#L98 assume { :end_inline_timeShift } true; 738#L297-2 [2022-11-16 11:47:23,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:23,818 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-16 11:47:23,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:23,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100390900] [2022-11-16 11:47:23,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:23,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:23,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:23,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:23,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1571204004, now seen corresponding path program 1 times [2022-11-16 11:47:23,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:23,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121206239] [2022-11-16 11:47:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:23,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:23,878 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 11:47:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:23,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121206239] [2022-11-16 11:47:23,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121206239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:23,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:23,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:47:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693638644] [2022-11-16 11:47:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:23,881 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:47:23,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:23,882 INFO L87 Difference]: Start difference. First operand 242 states and 320 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 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) [2022-11-16 11:47:23,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:23,988 INFO L93 Difference]: Finished difference Result 307 states and 389 transitions. [2022-11-16 11:47:23,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 389 transitions. [2022-11-16 11:47:23,992 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2022-11-16 11:47:23,994 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 307 states and 389 transitions. [2022-11-16 11:47:23,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 307 [2022-11-16 11:47:23,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 307 [2022-11-16 11:47:23,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 389 transitions. [2022-11-16 11:47:23,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:23,998 INFO L218 hiAutomatonCegarLoop]: Abstraction has 307 states and 389 transitions. [2022-11-16 11:47:23,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 389 transitions. [2022-11-16 11:47:24,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2022-11-16 11:47:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 307 states have (on average 1.267100977198697) internal successors, (389), 306 states have internal predecessors, (389), 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 11:47:24,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 389 transitions. [2022-11-16 11:47:24,029 INFO L240 hiAutomatonCegarLoop]: Abstraction has 307 states and 389 transitions. [2022-11-16 11:47:24,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:24,031 INFO L428 stractBuchiCegarLoop]: Abstraction has 307 states and 389 transitions. [2022-11-16 11:47:24,032 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:47:24,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 389 transitions. [2022-11-16 11:47:24,037 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2022-11-16 11:47:24,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:47:24,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:47:24,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:24,042 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:24,042 INFO L748 eck$LassoCheckResult]: Stem: 1413#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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;~switchedOnBeforeTS~0 := 0; 1343#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 1344#L843 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1268#L836 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1269#L851 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 1292#L441 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 1293#L413 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1294#L863 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1295#L297-2 [2022-11-16 11:47:24,043 INFO L750 eck$LassoCheckResult]: Loop: 1295#L297-2 assume !false; 1312#L298 assume test_~splverifierCounter~0#1 < 4; 1313#L299 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1498#L307 assume !(0 != test_~tmp~4#1); 1496#L307-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1231#L317 assume !(0 != test_~tmp___0~1#1); 1233#L317-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1354#L327 assume 0 != test_~tmp___2~0#1; 1491#L333-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1405#L209 __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 1406#L873 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1490#L81 assume !(0 != ~pumpRunning~0); 1392#L81-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1310#L139 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 1311#L113-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1236#L989-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1237#L994-1 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 1362#L258-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1363#L258-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1386#L264-1 processEnvironment__wrappee__methaneQuery_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~0#1 := processEnvironment__wrappee__methaneQuery_#t~ret4#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1; 1223#L117-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1225#L105-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1351#L113-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1252#L139-1 assume { :end_inline_processEnvironment } true; 1253#L88-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1489#L981 __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 1303#L884 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1257#L884-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1400#L98 assume { :end_inline_timeShift } true; 1295#L297-2 [2022-11-16 11:47:24,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:24,045 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-16 11:47:24,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:24,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891653397] [2022-11-16 11:47:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:24,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:24,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:24,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1993864476, now seen corresponding path program 1 times [2022-11-16 11:47:24,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:24,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723072545] [2022-11-16 11:47:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:24,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:24,280 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 11:47:24,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:24,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723072545] [2022-11-16 11:47:24,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723072545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:24,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:24,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:24,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276929576] [2022-11-16 11:47:24,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:24,283 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:47:24,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:24,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:47:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:47:24,284 INFO L87 Difference]: Start difference. First operand 307 states and 389 transitions. cyclomatic complexity: 85 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 11:47:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:24,588 INFO L93 Difference]: Finished difference Result 1336 states and 1678 transitions. [2022-11-16 11:47:24,588 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1336 states and 1678 transitions. [2022-11-16 11:47:24,600 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 931 [2022-11-16 11:47:24,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1336 states to 1336 states and 1678 transitions. [2022-11-16 11:47:24,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1336 [2022-11-16 11:47:24,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1336 [2022-11-16 11:47:24,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1336 states and 1678 transitions. [2022-11-16 11:47:24,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:24,617 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1336 states and 1678 transitions. [2022-11-16 11:47:24,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states and 1678 transitions. [2022-11-16 11:47:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 603. [2022-11-16 11:47:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 603 states have (on average 1.252072968490879) internal successors, (755), 602 states have internal predecessors, (755), 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 11:47:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 755 transitions. [2022-11-16 11:47:24,643 INFO L240 hiAutomatonCegarLoop]: Abstraction has 603 states and 755 transitions. [2022-11-16 11:47:24,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:47:24,644 INFO L428 stractBuchiCegarLoop]: Abstraction has 603 states and 755 transitions. [2022-11-16 11:47:24,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:47:24,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 603 states and 755 transitions. [2022-11-16 11:47:24,649 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 432 [2022-11-16 11:47:24,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:47:24,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:47:24,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:24,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:24,651 INFO L748 eck$LassoCheckResult]: Stem: 3103#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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;~switchedOnBeforeTS~0 := 0; 3009#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 3010#L843 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2931#L836 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 2932#L851 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 2958#L441 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 2959#L413 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2960#L863 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2961#L297-2 [2022-11-16 11:47:24,651 INFO L750 eck$LassoCheckResult]: Loop: 2961#L297-2 assume !false; 3006#L298 assume test_~splverifierCounter~0#1 < 4; 3356#L299 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 3420#L307 assume !(0 != test_~tmp~4#1); 3418#L307-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 3416#L317 assume !(0 != test_~tmp___0~1#1); 3414#L317-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 3413#L327 assume 0 != test_~tmp___2~0#1; 3412#L333-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret46#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 3457#L209 __utac_acc__Specification5_spec__2_#t~ret46#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret46#1;havoc __utac_acc__Specification5_spec__2_#t~ret46#1; 3456#L873 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3446#L81 assume !(0 != ~pumpRunning~0); 3072#L81-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2976#L139 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 2977#L113-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 2898#L989-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 2899#L994-1 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 3034#L258-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 3035#L258-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 3065#L264-1 processEnvironment__wrappee__methaneQuery_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~0#1 := processEnvironment__wrappee__methaneQuery_#t~ret4#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1; 2880#L117-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2882#L105-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3442#L113-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 3437#L139-1 assume { :end_inline_processEnvironment } true; 3432#L88-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret47#1, __utac_acc__Specification5_spec__3_#t~ret48#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 3431#L981 __utac_acc__Specification5_spec__3_#t~ret47#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret47#1;havoc __utac_acc__Specification5_spec__3_#t~ret47#1; 3430#L884 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 3429#L209-1 __utac_acc__Specification5_spec__3_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret48#1;havoc __utac_acc__Specification5_spec__3_#t~ret48#1; 3428#L888 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 3426#L884-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3425#L98 assume { :end_inline_timeShift } true; 2961#L297-2 [2022-11-16 11:47:24,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:24,652 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-11-16 11:47:24,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:24,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588472633] [2022-11-16 11:47:24,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:24,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:24,697 INFO L85 PathProgramCache]: Analyzing trace with hash 529251831, now seen corresponding path program 1 times [2022-11-16 11:47:24,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:24,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463708391] [2022-11-16 11:47:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:24,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:24,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash -282788370, now seen corresponding path program 1 times [2022-11-16 11:47:24,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:24,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745156772] [2022-11-16 11:47:24,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:24,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:24,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:47:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:29,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:47:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:47:29,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:47:29 BoogieIcfgContainer [2022-11-16 11:47:29,800 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:47:29,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:47:29,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:47:29,802 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:47:29,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:22" (3/4) ... [2022-11-16 11:47:29,806 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 11:47:29,873 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:47:29,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:47:29,875 INFO L158 Benchmark]: Toolchain (without parser) took 9488.09ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 78.3MB in the beginning and 170.3MB in the end (delta: -92.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,875 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:47:29,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.60ms. Allocated memory is still 102.8MB. Free memory was 78.1MB in the beginning and 68.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.10ms. Allocated memory is still 102.8MB. Free memory was 68.6MB in the beginning and 64.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,877 INFO L158 Benchmark]: Boogie Preprocessor took 46.16ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 62.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,878 INFO L158 Benchmark]: RCFGBuilder took 1192.72ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 61.9MB in the beginning and 98.1MB in the end (delta: -36.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,878 INFO L158 Benchmark]: BuchiAutomizer took 7536.23ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 98.1MB in the beginning and 173.4MB in the end (delta: -75.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,879 INFO L158 Benchmark]: Witness Printer took 72.67ms. Allocated memory is still 220.2MB. Free memory was 173.4MB in the beginning and 170.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:47:29,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.60ms. Allocated memory is still 102.8MB. Free memory was 78.1MB in the beginning and 68.6MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.10ms. Allocated memory is still 102.8MB. Free memory was 68.6MB in the beginning and 64.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.16ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 62.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.72ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 61.9MB in the beginning and 98.1MB in the end (delta: -36.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 7536.23ms. Allocated memory was 140.5MB in the beginning and 220.2MB in the end (delta: 79.7MB). Free memory was 98.1MB in the beginning and 173.4MB in the end (delta: -75.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 72.67ms. Allocated memory is still 220.2MB. Free memory was 173.4MB in the beginning and 170.3MB 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 603 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.3s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 908 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, 2619 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2619 mSDsluCounter, 2986 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2147 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 208 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 839 mSDtfsCounter, 208 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 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: 297]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L624] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L907] int methaneLevelCritical = 0; [L69] int pumpRunning = 0; [L906] int waterLevel = 1; [L70] int systemActive = 1; [L354] int cleanupTimeShifts = 4; [L857] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L432] int retValue_acc ; [L433] int tmp ; [L437] FCALL select_helpers() [L438] FCALL select_features() [L439] CALL, EXPR valid_product() [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L439] RET, EXPR valid_product() [L439] tmp = valid_product() [L441] COND TRUE \read(tmp) [L443] FCALL setup() [L444] CALL runTest() [L422] CALL __utac_acc__Specification5_spec__1() [L862] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L422] RET __utac_acc__Specification5_spec__1() [L423] CALL test() [L288] int splverifierCounter ; [L289] int tmp ; [L290] int tmp___0 ; [L291] int tmp___1 ; [L292] int tmp___2 ; [L295] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L297] COND TRUE 1 [L299] COND TRUE splverifierCounter < 4 [L305] tmp = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp)) [L315] tmp___0 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___0)) [L325] tmp___2 = __VERIFIER_nondet_int() [L327] COND TRUE \read(tmp___2) [L342] CALL timeShift() [L79] CALL __utac_acc__Specification5_spec__2() [L871] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L871] RET, EXPR isPumpRunning() [L871] switchedOnBeforeTS = isPumpRunning() [L79] RET __utac_acc__Specification5_spec__2() [L81] COND FALSE !(\read(pumpRunning)) [L88] COND TRUE \read(systemActive) [L90] CALL processEnvironment() [L136] int tmp ; [L139] COND FALSE !(\read(pumpRunning)) [L154] CALL processEnvironment__wrappee__methaneQuery() [L110] int tmp ; [L113] COND TRUE ! pumpRunning [L115] CALL, EXPR isHighWaterLevel() [L250] int retValue_acc ; [L251] int tmp ; [L252] int tmp___0 ; [L256] CALL, EXPR isHighWaterSensorDry() [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] return (retValue_acc); [L256] RET, EXPR isHighWaterSensorDry() [L256] tmp = isHighWaterSensorDry() [L258] COND TRUE \read(tmp) [L259] tmp___0 = 0 [L263] retValue_acc = tmp___0 [L264] return (retValue_acc); [L115] RET, EXPR isHighWaterLevel() [L115] tmp = isHighWaterLevel() [L117] COND FALSE !(\read(tmp)) [L123] FCALL processEnvironment__wrappee__base() [L154] RET processEnvironment__wrappee__methaneQuery() [L90] RET processEnvironment() [L96] CALL __utac_acc__Specification5_spec__3() [L877] int tmp ; [L878] int tmp___0 ; [L882] CALL, EXPR getWaterLevel() [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] return (retValue_acc); [L882] RET, EXPR getWaterLevel() [L882] tmp = getWaterLevel() [L884] COND TRUE tmp != 2 [L886] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L886] RET, EXPR isPumpRunning() [L886] tmp___0 = isPumpRunning() [L888] COND FALSE !(\read(tmp___0)) [L96] RET __utac_acc__Specification5_spec__3() [L342] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 297]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L624] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L907] int methaneLevelCritical = 0; [L69] int pumpRunning = 0; [L906] int waterLevel = 1; [L70] int systemActive = 1; [L354] int cleanupTimeShifts = 4; [L857] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L432] int retValue_acc ; [L433] int tmp ; [L437] FCALL select_helpers() [L438] FCALL select_features() [L439] CALL, EXPR valid_product() [L847] int retValue_acc ; [L850] retValue_acc = 1 [L851] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L439] RET, EXPR valid_product() [L439] tmp = valid_product() [L441] COND TRUE \read(tmp) [L443] FCALL setup() [L444] CALL runTest() [L422] CALL __utac_acc__Specification5_spec__1() [L862] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L422] RET __utac_acc__Specification5_spec__1() [L423] CALL test() [L288] int splverifierCounter ; [L289] int tmp ; [L290] int tmp___0 ; [L291] int tmp___1 ; [L292] int tmp___2 ; [L295] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L297] COND TRUE 1 [L299] COND TRUE splverifierCounter < 4 [L305] tmp = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp)) [L315] tmp___0 = __VERIFIER_nondet_int() [L317] COND FALSE !(\read(tmp___0)) [L325] tmp___2 = __VERIFIER_nondet_int() [L327] COND TRUE \read(tmp___2) [L342] CALL timeShift() [L79] CALL __utac_acc__Specification5_spec__2() [L871] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L871] RET, EXPR isPumpRunning() [L871] switchedOnBeforeTS = isPumpRunning() [L79] RET __utac_acc__Specification5_spec__2() [L81] COND FALSE !(\read(pumpRunning)) [L88] COND TRUE \read(systemActive) [L90] CALL processEnvironment() [L136] int tmp ; [L139] COND FALSE !(\read(pumpRunning)) [L154] CALL processEnvironment__wrappee__methaneQuery() [L110] int tmp ; [L113] COND TRUE ! pumpRunning [L115] CALL, EXPR isHighWaterLevel() [L250] int retValue_acc ; [L251] int tmp ; [L252] int tmp___0 ; [L256] CALL, EXPR isHighWaterSensorDry() [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] return (retValue_acc); [L256] RET, EXPR isHighWaterSensorDry() [L256] tmp = isHighWaterSensorDry() [L258] COND TRUE \read(tmp) [L259] tmp___0 = 0 [L263] retValue_acc = tmp___0 [L264] return (retValue_acc); [L115] RET, EXPR isHighWaterLevel() [L115] tmp = isHighWaterLevel() [L117] COND FALSE !(\read(tmp)) [L123] FCALL processEnvironment__wrappee__base() [L154] RET processEnvironment__wrappee__methaneQuery() [L90] RET processEnvironment() [L96] CALL __utac_acc__Specification5_spec__3() [L877] int tmp ; [L878] int tmp___0 ; [L882] CALL, EXPR getWaterLevel() [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] return (retValue_acc); [L882] RET, EXPR getWaterLevel() [L882] tmp = getWaterLevel() [L884] COND TRUE tmp != 2 [L886] CALL, EXPR isPumpRunning() [L205] int retValue_acc ; [L208] retValue_acc = pumpRunning [L209] return (retValue_acc); [L886] RET, EXPR isPumpRunning() [L886] tmp___0 = isPumpRunning() [L888] COND FALSE !(\read(tmp___0)) [L96] RET __utac_acc__Specification5_spec__3() [L342] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:47:29,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85c07ef6-c779-4d43-b688-67cd227938e3/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)