./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R --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 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 --- 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-38b53e6 [2022-11-25 15:31:26,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:31:26,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:31:26,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:31:26,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:31:26,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:31:26,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:31:26,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:31:26,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:31:26,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:31:26,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:31:26,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:31:26,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:31:26,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:31:26,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:31:26,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:31:26,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:31:26,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:31:26,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:31:26,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:31:26,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:31:26,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:31:26,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:31:26,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:31:26,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:31:26,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:31:26,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:31:26,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:31:26,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:31:26,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:31:26,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:31:26,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:31:26,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:31:26,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:31:26,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:31:26,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:31:26,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:31:26,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:31:26,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:31:26,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:31:26,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:31:26,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 15:31:26,239 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:31:26,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:31:26,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:31:26,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:31:26,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:31:26,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:31:26,242 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:31:26,242 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:31:26,242 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:31:26,243 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:31:26,243 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:31:26,243 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:31:26,243 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:31:26,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:31:26,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:31:26,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:31:26,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:31:26,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:31:26,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:31:26,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:31:26,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:31:26,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:31:26,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:31:26,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:31:26,246 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:31:26,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:31:26,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:31:26,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:31:26,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:31:26,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:31:26,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:31:26,255 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:31:26,255 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_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99857c88a5e40ad3ad2fa6a4e628ec2c8e519c722ca50ab478c6824b27ce30a6 [2022-11-25 15:31:26,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:31:26,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:31:26,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:31:26,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:31:26,564 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:31:26,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2022-11-25 15:31:29,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:31:29,870 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:31:29,870 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2022-11-25 15:31:29,889 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/data/abc4a63d3/e89f4d9cba2e4a699dff13f31cb0c530/FLAG7e8033b64 [2022-11-25 15:31:29,910 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/data/abc4a63d3/e89f4d9cba2e4a699dff13f31cb0c530 [2022-11-25 15:31:29,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:31:29,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:31:29,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:31:29,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:31:29,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:31:29,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf76030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29, skipping insertion in model container [2022-11-25 15:31:29,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:31:30,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:31:30,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2022-11-25 15:31:30,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:31:30,304 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:31:30,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14638,14651] [2022-11-25 15:31:30,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:31:30,402 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:31:30,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30 WrapperNode [2022-11-25 15:31:30,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:31:30,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:31:30,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:31:30,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:31:30,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,454 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 46, calls inlined = 35, statements flattened = 245 [2022-11-25 15:31:30,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:31:30,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:31:30,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:31:30,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:31:30,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:31:30,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:31:30,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:31:30,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:31:30,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (1/1) ... [2022-11-25 15:31:30,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:31:30,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:31:30,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:31:30,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:31:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:31:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:31:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:31:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:31:30,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:31:30,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:31:31,097 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:31:31,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:31:31,105 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:31:31,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:31 BoogieIcfgContainer [2022-11-25 15:31:31,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:31:31,108 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:31:31,109 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:31:31,122 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:31:31,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:31:31,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:31:29" (1/3) ... [2022-11-25 15:31:31,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11eeba54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:31:31, skipping insertion in model container [2022-11-25 15:31:31,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:31:31,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:30" (2/3) ... [2022-11-25 15:31:31,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11eeba54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:31:31, skipping insertion in model container [2022-11-25 15:31:31,125 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:31:31,125 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:31" (3/3) ... [2022-11-25 15:31:31,126 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2022-11-25 15:31:31,189 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:31:31,190 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:31:31,190 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:31:31,190 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:31:31,190 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:31:31,190 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:31:31,190 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:31:31,190 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:31:31,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 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) [2022-11-25 15:31:31,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2022-11-25 15:31:31,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:31,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:31,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:31,221 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:31,221 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:31:31,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 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) [2022-11-25 15:31:31,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2022-11-25 15:31:31,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:31,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:31,231 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:31,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:31,237 INFO L748 eck$LassoCheckResult]: Stem: 62#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 75#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 29#L83true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 80#L886true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 14#L862true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 19#L689true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 61#L617-2true [2022-11-25 15:31:31,240 INFO L750 eck$LassoCheckResult]: Loop: 61#L617-2true assume !false; 57#L618true assume test_~splverifierCounter~0#1 < 4; 16#L619true test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 64#L627true assume !(0 != test_~tmp~4#1); 72#L627-2true test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 41#L637true assume !(0 != test_~tmp___0~0#1); 49#L637-2true test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 70#L647true assume 0 != test_~tmp___2~0#1; 53#L653-2true assume { :begin_inline_timeShift } true; 32#L471true assume !(0 != ~pumpRunning~0); 6#L471-2true assume !(0 != ~systemActive~0); 58#L478-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 7#L766true __utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 74#L700true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 79#L700-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 83#L488true assume { :end_inline_timeShift } true; 61#L617-2true [2022-11-25 15:31:31,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,246 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 15:31:31,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446826616] [2022-11-25 15:31:31,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:31,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,422 INFO L85 PathProgramCache]: Analyzing trace with hash 174501706, now seen corresponding path program 1 times [2022-11-25 15:31:31,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734297516] [2022-11-25 15:31:31,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:31,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,450 INFO L85 PathProgramCache]: Analyzing trace with hash 12214323, now seen corresponding path program 1 times [2022-11-25 15:31:31,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352891639] [2022-11-25 15:31:31,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:31:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:31:31,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:31:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352891639] [2022-11-25 15:31:31,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352891639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:31:31,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:31:31,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:31:31,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969640500] [2022-11-25 15:31:31,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:31:31,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:31:31,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:31:31,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:31:31,980 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:31:32,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:31:32,102 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2022-11-25 15:31:32,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 219 states and 282 transitions. [2022-11-25 15:31:32,111 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 137 [2022-11-25 15:31:32,117 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 219 states to 189 states and 252 transitions. [2022-11-25 15:31:32,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 189 [2022-11-25 15:31:32,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 189 [2022-11-25 15:31:32,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 189 states and 252 transitions. [2022-11-25 15:31:32,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:31:32,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 189 states and 252 transitions. [2022-11-25 15:31:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states and 252 transitions. [2022-11-25 15:31:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 125. [2022-11-25 15:31:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.336) internal successors, (167), 124 states have internal predecessors, (167), 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) [2022-11-25 15:31:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 167 transitions. [2022-11-25 15:31:32,186 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125 states and 167 transitions. [2022-11-25 15:31:32,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:31:32,191 INFO L428 stractBuchiCegarLoop]: Abstraction has 125 states and 167 transitions. [2022-11-25 15:31:32,192 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:31:32,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 167 transitions. [2022-11-25 15:31:32,198 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2022-11-25 15:31:32,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:32,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:32,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:32,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:32,207 INFO L748 eck$LassoCheckResult]: Stem: 385#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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 375#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 376#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 388#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 356#L83 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 357#L886 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 340#L862 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 341#L689 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 344#L617-2 [2022-11-25 15:31:32,207 INFO L750 eck$LassoCheckResult]: Loop: 344#L617-2 assume !false; 382#L618 assume test_~splverifierCounter~0#1 < 4; 342#L619 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 343#L627 assume !(0 != test_~tmp~4#1); 335#L627-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 370#L637 assume !(0 != test_~tmp___0~0#1); 349#L637-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 378#L647 assume 0 != test_~tmp___2~0#1; 380#L653-2 assume { :begin_inline_timeShift } true; 359#L471 assume !(0 != ~pumpRunning~0); 326#L471-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 327#L495 assume { :end_inline_processEnvironment } true; 355#L478-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret42#1, __utac_acc__Specification2_spec__2_#t~ret43#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 328#L766 __utac_acc__Specification2_spec__2_#t~ret42#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret42#1;havoc __utac_acc__Specification2_spec__2_#t~ret42#1; 329#L700 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 374#L700-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 390#L488 assume { :end_inline_timeShift } true; 344#L617-2 [2022-11-25 15:31:32,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 15:31:32,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:32,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468951513] [2022-11-25 15:31:32,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:32,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:32,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1742486516, now seen corresponding path program 1 times [2022-11-25 15:31:32,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:32,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329688283] [2022-11-25 15:31:32,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:32,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:32,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:32,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1006544939, now seen corresponding path program 1 times [2022-11-25 15:31:32,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:32,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800369627] [2022-11-25 15:31:32,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:32,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:33,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:33,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:31:33 BoogieIcfgContainer [2022-11-25 15:31:33,603 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:31:33,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:31:33,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:31:33,604 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:31:33,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:31" (3/4) ... [2022-11-25 15:31:33,607 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 15:31:33,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:31:33,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:31:33,684 INFO L158 Benchmark]: Toolchain (without parser) took 3765.54ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 68.3MB in the beginning and 98.2MB in the end (delta: -29.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,684 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:31:33,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.41ms. Allocated memory is still 195.0MB. Free memory was 167.6MB in the beginning and 151.2MB in the end (delta: 16.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.19ms. Allocated memory is still 195.0MB. Free memory was 150.6MB in the beginning and 148.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,685 INFO L158 Benchmark]: Boogie Preprocessor took 33.24ms. Allocated memory is still 195.0MB. Free memory was 148.5MB in the beginning and 147.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,685 INFO L158 Benchmark]: RCFGBuilder took 618.23ms. Allocated memory is still 195.0MB. Free memory was 147.0MB in the beginning and 157.5MB in the end (delta: -10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,686 INFO L158 Benchmark]: BuchiAutomizer took 2495.08ms. Allocated memory is still 195.0MB. Free memory was 157.5MB in the beginning and 101.4MB in the end (delta: 56.1MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,686 INFO L158 Benchmark]: Witness Printer took 79.27ms. Allocated memory is still 195.0MB. Free memory was 101.4MB in the beginning and 98.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:31:33,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.41ms. Allocated memory is still 195.0MB. Free memory was 167.6MB in the beginning and 151.2MB in the end (delta: 16.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.19ms. Allocated memory is still 195.0MB. Free memory was 150.6MB in the beginning and 148.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.24ms. Allocated memory is still 195.0MB. Free memory was 148.5MB in the beginning and 147.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.23ms. Allocated memory is still 195.0MB. Free memory was 147.0MB in the beginning and 157.5MB in the end (delta: -10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2495.08ms. Allocated memory is still 195.0MB. Free memory was 157.5MB in the beginning and 101.4MB in the end (delta: 56.1MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Witness Printer took 79.27ms. Allocated memory is still 195.0MB. Free memory was 101.4MB in the beginning and 98.2MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 125 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 64 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, 443 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 443 mSDsluCounter, 618 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 520 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 98 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 617]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L463] int pumpRunning = 0; [L464] int systemActive = 1; [L683] int methAndRunningLastTime ; [L723] int waterLevel = 1; [L724] int methaneLevelCritical = 0; [L803] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L878] int tmp ; [L882] FCALL select_helpers() [L883] FCALL select_features() [L884] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L884] RET, EXPR valid_product() [L884] tmp = valid_product() [L886] COND TRUE \read(tmp) [L888] FCALL setup() [L889] CALL runTest() [L870] CALL __utac_acc__Specification2_spec__1() [L688] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] RET __utac_acc__Specification2_spec__1() [L871] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L662] CALL timeShift() [L471] COND FALSE !(\read(pumpRunning)) [L478] COND TRUE \read(systemActive) [L480] FCALL processEnvironment() [L486] CALL __utac_acc__Specification2_spec__2() [L693] int tmp ; [L694] int tmp___0 ; [L698] CALL, EXPR isMethaneLevelCritical() [L762] int retValue_acc ; [L765] retValue_acc = methaneLevelCritical [L766] return (retValue_acc); [L698] RET, EXPR isMethaneLevelCritical() [L698] tmp = isMethaneLevelCritical() [L700] COND FALSE !(\read(tmp)) [L716] methAndRunningLastTime = 0 [L486] RET __utac_acc__Specification2_spec__2() [L662] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 617]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L463] int pumpRunning = 0; [L464] int systemActive = 1; [L683] int methAndRunningLastTime ; [L723] int waterLevel = 1; [L724] int methaneLevelCritical = 0; [L803] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] int retValue_acc ; [L878] int tmp ; [L882] FCALL select_helpers() [L883] FCALL select_features() [L884] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L884] RET, EXPR valid_product() [L884] tmp = valid_product() [L886] COND TRUE \read(tmp) [L888] FCALL setup() [L889] CALL runTest() [L870] CALL __utac_acc__Specification2_spec__1() [L688] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] RET __utac_acc__Specification2_spec__1() [L871] CALL test() [L608] int splverifierCounter ; [L609] int tmp ; [L610] int tmp___0 ; [L611] int tmp___1 ; [L612] int tmp___2 ; [L615] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L617] COND TRUE 1 [L619] COND TRUE splverifierCounter < 4 [L625] tmp = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp)) [L635] tmp___0 = __VERIFIER_nondet_int() [L637] COND FALSE !(\read(tmp___0)) [L645] tmp___2 = __VERIFIER_nondet_int() [L647] COND TRUE \read(tmp___2) [L662] CALL timeShift() [L471] COND FALSE !(\read(pumpRunning)) [L478] COND TRUE \read(systemActive) [L480] FCALL processEnvironment() [L486] CALL __utac_acc__Specification2_spec__2() [L693] int tmp ; [L694] int tmp___0 ; [L698] CALL, EXPR isMethaneLevelCritical() [L762] int retValue_acc ; [L765] retValue_acc = methaneLevelCritical [L766] return (retValue_acc); [L698] RET, EXPR isMethaneLevelCritical() [L698] tmp = isMethaneLevelCritical() [L700] COND FALSE !(\read(tmp)) [L716] methAndRunningLastTime = 0 [L486] RET __utac_acc__Specification2_spec__2() [L662] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:31:33,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f4e2ad-ae30-4ad4-b836-fcd1265b771b/bin/uautomizer-ZsLfNo2U6R/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)