./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc --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 3a211ea3558de7a91964968ab789e94c34171c05a0686de6a2a53ff72a198e9d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:40:40,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:40:40,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:40:40,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:40:40,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:40:40,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:40:40,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:40:40,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:40:40,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:40:40,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:40:40,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:40:40,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:40:40,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:40:40,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:40:40,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:40:40,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:40:40,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:40:40,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:40:40,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:40:40,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:40:40,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:40:40,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:40:40,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:40:40,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:40:40,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:40:40,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:40:40,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:40:40,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:40:40,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:40:40,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:40:40,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:40:40,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:40:40,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:40:40,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:40:40,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:40:40,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:40:40,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:40:40,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:40:40,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:40:40,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:40:40,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:40:40,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:40:40,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:40:40,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:40:40,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:40:40,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:40:40,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:40:40,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:40:40,706 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:40:40,706 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:40:40,707 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:40:40,707 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:40:40,708 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:40:40,708 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:40:40,709 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:40:40,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:40:40,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:40:40,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:40:40,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:40:40,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:40:40,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:40:40,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:40:40,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:40:40,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:40:40,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:40:40,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:40:40,711 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:40:40,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:40:40,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:40:40,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:40:40,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:40:40,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:40:40,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:40:40,714 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:40:40,715 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_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a211ea3558de7a91964968ab789e94c34171c05a0686de6a2a53ff72a198e9d [2022-11-02 20:40:41,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:40:41,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:40:41,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:40:41,084 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:40:41,085 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:40:41,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2022-11-02 20:40:41,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/data/d3d0e18e8/acd4cd2c4237426187bd79fe2998fc54/FLAG85846579e [2022-11-02 20:40:41,867 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:40:41,868 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c [2022-11-02 20:40:41,894 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/data/d3d0e18e8/acd4cd2c4237426187bd79fe2998fc54/FLAG85846579e [2022-11-02 20:40:42,131 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/data/d3d0e18e8/acd4cd2c4237426187bd79fe2998fc54 [2022-11-02 20:40:42,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:40:42,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:40:42,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:42,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:40:42,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:40:42,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b85b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42, skipping insertion in model container [2022-11-02 20:40:42,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:40:42,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:40:42,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c[11718,11731] [2022-11-02 20:40:42,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:42,551 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:40:42,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/sv-benchmarks/c/product-lines/minepump_spec4_product48.cil.c[11718,11731] [2022-11-02 20:40:42,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:40:42,662 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:40:42,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42 WrapperNode [2022-11-02 20:40:42,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:40:42,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:42,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:40:42,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:40:42,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,739 INFO L138 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 98, statements flattened = 717 [2022-11-02 20:40:42,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:40:42,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:40:42,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:40:42,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:40:42,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:40:42,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:40:42,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:40:42,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:40:42,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (1/1) ... [2022-11-02 20:40:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:40:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:42,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:40:42,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:40:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:40:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:40:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:40:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:40:43,052 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:40:43,054 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:40:43,568 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:40:43,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:40:43,588 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:40:43,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:43 BoogieIcfgContainer [2022-11-02 20:40:43,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:40:43,593 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:40:43,593 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:40:43,598 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:40:43,599 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:40:43,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:40:42" (1/3) ... [2022-11-02 20:40:43,601 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6eff8033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:40:43, skipping insertion in model container [2022-11-02 20:40:43,601 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:40:43,601 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:40:42" (2/3) ... [2022-11-02 20:40:43,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6eff8033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:40:43, skipping insertion in model container [2022-11-02 20:40:43,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:40:43,602 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:43" (3/3) ... [2022-11-02 20:40:43,604 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product48.cil.c [2022-11-02 20:40:43,676 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:40:43,677 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:40:43,677 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:40:43,677 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:40:43,677 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:40:43,677 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:40:43,678 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:40:43,678 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:40:43,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:43,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2022-11-02 20:40:43,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:40:43,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:40:43,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:43,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:43,741 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:40:43,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:43,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2022-11-02 20:40:43,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:40:43,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:40:43,753 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:43,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:43,761 INFO L748 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 55#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 21#L969true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33#L962true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 142#L977true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 150#L544true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 116#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 90#L888-2true [2022-11-02 20:40:43,762 INFO L750 eck$LassoCheckResult]: Loop: 90#L888-2true assume !false; 10#L889true assume test_~splverifierCounter~0#1 < 4; 68#L890true test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 124#L898true assume !(0 != test_~tmp~9#1); 59#L898-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 100#L908true assume !(0 != test_~tmp___0~2#1); 9#L908-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 19#L918true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4#L780true assume { :end_inline_startSystem } true; 141#L926-2true assume { :begin_inline_timeShift } true; 72#L573true assume !(0 != ~pumpRunning~0); 155#L573-2true assume !(0 != ~systemActive~0); 174#L580-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 165#L859true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 99#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 158#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 63#L590true assume { :end_inline_timeShift } true; 90#L888-2true [2022-11-02 20:40:43,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:43,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 20:40:43,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:43,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819921002] [2022-11-02 20:40:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:43,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:40:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:44,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:40:44,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:44,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1439043263, now seen corresponding path program 1 times [2022-11-02 20:40:44,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:44,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872166463] [2022-11-02 20:40:44,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:44,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:44,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872166463] [2022-11-02 20:40:44,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872166463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:44,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:44,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:40:44,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892893754] [2022-11-02 20:40:44,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:44,166 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:40:44,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:44,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:44,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:44,220 INFO L87 Difference]: Start difference. First operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:44,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:44,333 INFO L93 Difference]: Finished difference Result 355 states and 465 transitions. [2022-11-02 20:40:44,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 465 transitions. [2022-11-02 20:40:44,341 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 232 [2022-11-02 20:40:44,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 335 states and 444 transitions. [2022-11-02 20:40:44,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2022-11-02 20:40:44,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2022-11-02 20:40:44,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 335 states and 444 transitions. [2022-11-02 20:40:44,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:44,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 335 states and 444 transitions. [2022-11-02 20:40:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states and 444 transitions. [2022-11-02 20:40:44,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2022-11-02 20:40:44,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 332 states have (on average 1.3253012048192772) internal successors, (440), 331 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:44,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 440 transitions. [2022-11-02 20:40:44,429 INFO L240 hiAutomatonCegarLoop]: Abstraction has 332 states and 440 transitions. [2022-11-02 20:40:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:44,434 INFO L428 stractBuchiCegarLoop]: Abstraction has 332 states and 440 transitions. [2022-11-02 20:40:44,435 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:40:44,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 332 states and 440 transitions. [2022-11-02 20:40:44,445 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 229 [2022-11-02 20:40:44,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:40:44,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:40:44,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:44,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:44,453 INFO L748 eck$LassoCheckResult]: Stem: 732#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 634#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 581#L969 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 582#L962 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 600#L977 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 722#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 705#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 644#L888-2 [2022-11-02 20:40:44,453 INFO L750 eck$LassoCheckResult]: Loop: 644#L888-2 assume !false; 561#L889 assume test_~splverifierCounter~0#1 < 4; 562#L890 test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 652#L898 assume !(0 != test_~tmp~9#1); 638#L898-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 639#L908 assume !(0 != test_~tmp___0~2#1); 559#L908-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 560#L918 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 580#L926 assume !(0 != test_~tmp___1~0#1); 550#L926-2 assume { :begin_inline_timeShift } true; 657#L573 assume !(0 != ~pumpRunning~0); 658#L573-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 725#L631 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 780#L605-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 772#L597-3 assume { :end_inline_processEnvironment__wrappee__base } true; 766#L605-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 763#L631-1 assume { :end_inline_processEnvironment } true; 735#L580-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 731#L859 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 685#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 686#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 643#L590 assume { :end_inline_timeShift } true; 644#L888-2 [2022-11-02 20:40:44,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:44,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 20:40:44,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:44,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672419097] [2022-11-02 20:40:44,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:44,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:44,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:40:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:44,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:40:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1432805359, now seen corresponding path program 1 times [2022-11-02 20:40:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:44,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939693479] [2022-11-02 20:40:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:44,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:40:44,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:44,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939693479] [2022-11-02 20:40:44,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939693479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:44,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:44,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:40:44,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366614481] [2022-11-02 20:40:44,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:44,635 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:40:44,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:44,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:40:44,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:40:44,637 INFO L87 Difference]: Start difference. First operand 332 states and 440 transitions. cyclomatic complexity: 111 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:44,813 INFO L93 Difference]: Finished difference Result 456 states and 581 transitions. [2022-11-02 20:40:44,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 456 states and 581 transitions. [2022-11-02 20:40:44,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323 [2022-11-02 20:40:44,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 456 states to 456 states and 581 transitions. [2022-11-02 20:40:44,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 456 [2022-11-02 20:40:44,835 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 456 [2022-11-02 20:40:44,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 456 states and 581 transitions. [2022-11-02 20:40:44,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:40:44,838 INFO L218 hiAutomatonCegarLoop]: Abstraction has 456 states and 581 transitions. [2022-11-02 20:40:44,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states and 581 transitions. [2022-11-02 20:40:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2022-11-02 20:40:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.2741228070175439) internal successors, (581), 455 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:40:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 581 transitions. [2022-11-02 20:40:44,874 INFO L240 hiAutomatonCegarLoop]: Abstraction has 456 states and 581 transitions. [2022-11-02 20:40:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:40:44,880 INFO L428 stractBuchiCegarLoop]: Abstraction has 456 states and 581 transitions. [2022-11-02 20:40:44,880 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:40:44,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 456 states and 581 transitions. [2022-11-02 20:40:44,882 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 323 [2022-11-02 20:40:44,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:40:44,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:40:44,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:44,884 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] [2022-11-02 20:40:44,884 INFO L748 eck$LassoCheckResult]: Stem: 1551#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1430#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1376#L969 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1377#L962 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1395#L977 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 1534#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1517#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1518#L888-2 [2022-11-02 20:40:44,885 INFO L750 eck$LassoCheckResult]: Loop: 1518#L888-2 assume !false; 1593#L889 assume test_~splverifierCounter~0#1 < 4; 1594#L890 test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1587#L898 assume !(0 != test_~tmp~9#1); 1586#L898-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1580#L908 assume !(0 != test_~tmp___0~2#1); 1579#L908-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1575#L918 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1530#L926 assume !(0 != test_~tmp___1~0#1); 1344#L926-2 assume { :begin_inline_timeShift } true; 1454#L573 assume !(0 != ~pumpRunning~0); 1455#L573-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret31#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1537#L631 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1511#L605-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret42#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1347#L867-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 1348#L872-1 isHighWaterLevel_#t~ret42#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret42#1;havoc isHighWaterLevel_#t~ret42#1; 1490#L750-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1488#L750-5 isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1; 1489#L756-1 processEnvironment__wrappee__methaneQuery_#t~ret30#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret30#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret30#1; 1645#L609-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1642#L597-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1617#L605-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1400#L631-1 assume { :end_inline_processEnvironment } true; 1611#L580-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 1612#L859 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 1603#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 1604#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1600#L590 assume { :end_inline_timeShift } true; 1518#L888-2 [2022-11-02 20:40:44,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:44,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-02 20:40:44,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:44,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111568092] [2022-11-02 20:40:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:44,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:44,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:40:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:44,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:40:44,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1100745271, now seen corresponding path program 1 times [2022-11-02 20:40:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:44,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297089428] [2022-11-02 20:40:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:44,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:45,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:40:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:45,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:40:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:45,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1943240077, now seen corresponding path program 1 times [2022-11-02 20:40:45,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:45,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001547382] [2022-11-02 20:40:45,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:45,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:45,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:40:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:45,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:40:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:50,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:40:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:40:50,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:40:50 BoogieIcfgContainer [2022-11-02 20:40:50,077 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:40:50,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:40:50,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:40:50,078 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:40:50,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:40:43" (3/4) ... [2022-11-02 20:40:50,081 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:40:50,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:40:50,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:40:50,143 INFO L158 Benchmark]: Toolchain (without parser) took 8008.32ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 79.1MB in the beginning and 123.2MB in the end (delta: -44.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-02 20:40:50,144 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:40:50,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.96ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 84.6MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:40:50,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.04ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 80.9MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:40:50,145 INFO L158 Benchmark]: Boogie Preprocessor took 97.04ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:40:50,145 INFO L158 Benchmark]: RCFGBuilder took 735.09ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 50.1MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-02 20:40:50,145 INFO L158 Benchmark]: BuchiAutomizer took 6483.83ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 50.1MB in the beginning and 126.3MB in the end (delta: -76.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:40:50,146 INFO L158 Benchmark]: Witness Printer took 65.42ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:40:50,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.96ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 84.6MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.04ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 80.9MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.04ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 735.09ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 50.1MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 6483.83ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 50.1MB in the beginning and 126.3MB in the end (delta: -76.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.42ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 456 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 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, 398 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 398 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 457 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 888]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L566] int pumpRunning = 0; [L567] int systemActive = 1; [L784] int waterLevel = 1; [L785] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L573] COND FALSE !(\read(pumpRunning)) [L580] COND TRUE \read(systemActive) [L582] CALL processEnvironment() [L628] int tmp ; [L631] COND FALSE !(\read(pumpRunning)) [L646] CALL processEnvironment__wrappee__methaneQuery() [L602] int tmp ; [L605] COND TRUE ! pumpRunning [L607] CALL, EXPR isHighWaterLevel() [L742] int retValue_acc ; [L743] int tmp ; [L744] int tmp___0 ; [L748] CALL, EXPR isHighWaterSensorDry() [L864] int retValue_acc ; [L867] COND TRUE waterLevel < 2 [L868] retValue_acc = 1 [L869] return (retValue_acc); [L748] RET, EXPR isHighWaterSensorDry() [L748] tmp = isHighWaterSensorDry() [L750] COND TRUE \read(tmp) [L751] tmp___0 = 0 [L755] retValue_acc = tmp___0 [L756] return (retValue_acc); [L607] RET, EXPR isHighWaterLevel() [L607] tmp = isHighWaterLevel() [L609] COND FALSE !(\read(tmp)) [L615] FCALL processEnvironment__wrappee__base() [L646] RET processEnvironment__wrappee__methaneQuery() [L582] RET processEnvironment() [L588] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L855] int retValue_acc ; [L858] retValue_acc = waterLevel [L859] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L588] RET __utac_acc__Specification4_spec__1() [L935] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 888]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L566] int pumpRunning = 0; [L567] int systemActive = 1; [L784] int waterLevel = 1; [L785] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L573] COND FALSE !(\read(pumpRunning)) [L580] COND TRUE \read(systemActive) [L582] CALL processEnvironment() [L628] int tmp ; [L631] COND FALSE !(\read(pumpRunning)) [L646] CALL processEnvironment__wrappee__methaneQuery() [L602] int tmp ; [L605] COND TRUE ! pumpRunning [L607] CALL, EXPR isHighWaterLevel() [L742] int retValue_acc ; [L743] int tmp ; [L744] int tmp___0 ; [L748] CALL, EXPR isHighWaterSensorDry() [L864] int retValue_acc ; [L867] COND TRUE waterLevel < 2 [L868] retValue_acc = 1 [L869] return (retValue_acc); [L748] RET, EXPR isHighWaterSensorDry() [L748] tmp = isHighWaterSensorDry() [L750] COND TRUE \read(tmp) [L751] tmp___0 = 0 [L755] retValue_acc = tmp___0 [L756] return (retValue_acc); [L607] RET, EXPR isHighWaterLevel() [L607] tmp = isHighWaterLevel() [L609] COND FALSE !(\read(tmp)) [L615] FCALL processEnvironment__wrappee__base() [L646] RET processEnvironment__wrappee__methaneQuery() [L582] RET processEnvironment() [L588] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L855] int retValue_acc ; [L858] retValue_acc = waterLevel [L859] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L588] RET __utac_acc__Specification4_spec__1() [L935] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:40:50,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b0af30b-0760-42b8-a965-4a0822d138c7/bin/uautomizer-Dbtcem3rbc/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)