./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro --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 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b --- 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-8393723 [2022-11-18 21:06:20,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:06:20,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:06:20,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:06:20,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:06:20,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:06:20,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:06:20,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:06:20,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:06:20,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:06:20,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:06:20,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:06:20,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:06:20,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:06:20,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:06:20,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:06:20,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:06:20,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:06:20,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:06:20,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:06:20,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:06:20,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:06:20,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:06:20,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:06:20,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:06:20,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:06:20,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:06:20,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:06:20,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:06:20,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:06:20,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:06:20,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:06:20,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:06:20,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:06:20,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:06:20,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:06:20,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:06:20,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:06:20,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:06:20,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:06:20,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:06:20,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 21:06:20,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:06:20,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:06:20,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:06:20,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:06:20,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:06:20,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:06:20,623 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:06:20,624 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 21:06:20,624 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 21:06:20,624 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 21:06:20,625 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 21:06:20,630 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 21:06:20,630 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 21:06:20,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:06:20,631 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:06:20,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:06:20,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:06:20,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:06:20,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:06:20,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 21:06:20,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 21:06:20,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 21:06:20,633 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:06:20,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:06:20,633 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 21:06:20,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:06:20,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 21:06:20,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:06:20,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:06:20,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:06:20,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:06:20,636 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 21:06:20,636 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_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2022-11-18 21:06:20,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:06:20,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:06:20,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:06:20,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:06:20,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:06:20,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2022-11-18 21:06:21,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/data/0dc64097a/5e6304f9ad7140b1b05b509e63e18cd4/FLAG32ee4d487 [2022-11-18 21:06:21,526 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:06:21,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2022-11-18 21:06:21,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/data/0dc64097a/5e6304f9ad7140b1b05b509e63e18cd4/FLAG32ee4d487 [2022-11-18 21:06:21,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/data/0dc64097a/5e6304f9ad7140b1b05b509e63e18cd4 [2022-11-18 21:06:21,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:06:21,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:06:21,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:21,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:06:21,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:06:21,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:21" (1/1) ... [2022-11-18 21:06:21,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3846ac6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:21, skipping insertion in model container [2022-11-18 21:06:21,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:21" (1/1) ... [2022-11-18 21:06:21,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:06:21,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:06:22,158 WARN L234 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_72246295-93b3-4d54-8cb0-aa985f404244/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2022-11-18 21:06:22,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:22,265 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:06:22,282 WARN L234 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_72246295-93b3-4d54-8cb0-aa985f404244/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2022-11-18 21:06:22,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:22,390 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:06:22,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22 WrapperNode [2022-11-18 21:06:22,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:22,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:22,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:06:22,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:06:22,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,451 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 49, statements flattened = 310 [2022-11-18 21:06:22,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:22,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:06:22,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:06:22,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:06:22,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:06:22,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:06:22,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:06:22,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:06:22,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (1/1) ... [2022-11-18 21:06:22,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:06:22,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:22,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:06:22,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 21:06:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:06:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:06:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:06:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:06:22,681 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:06:22,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:06:22,966 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:06:22,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:06:22,981 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 21:06:22,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:22 BoogieIcfgContainer [2022-11-18 21:06:22,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:06:22,985 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 21:06:22,986 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 21:06:22,998 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 21:06:22,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:06:22,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:06:21" (1/3) ... [2022-11-18 21:06:23,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67e9cc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:06:23, skipping insertion in model container [2022-11-18 21:06:23,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:06:23,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:22" (2/3) ... [2022-11-18 21:06:23,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67e9cc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:06:23, skipping insertion in model container [2022-11-18 21:06:23,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:06:23,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:22" (3/3) ... [2022-11-18 21:06:23,015 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2022-11-18 21:06:23,102 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 21:06:23,102 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 21:06:23,103 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 21:06:23,103 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 21:06:23,103 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 21:06:23,103 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 21:06:23,103 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 21:06:23,104 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 21:06:23,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2022-11-18 21:06:23,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-11-18 21:06:23,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:06:23,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:06:23,140 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:23,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:23,141 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 21:06:23,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2022-11-18 21:06:23,148 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-11-18 21:06:23,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:06:23,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:06:23,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:23,166 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:23,173 INFO L748 eck$LassoCheckResult]: Stem: 88#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 42#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#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; 18#L83true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 5#L175true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 63#L151true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 68#L686-2true [2022-11-18 21:06:23,174 INFO L750 eck$LassoCheckResult]: Loop: 68#L686-2true assume !false; 37#L687true assume test_~splverifierCounter~0#1 < 4; 77#L688true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 29#L696true assume !(0 != test_~tmp~5#1); 17#L696-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 84#L706true assume !(0 != test_~tmp___0~1#1); 76#L706-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 30#L716true assume 0 != test_~tmp___2~0#1; 98#L722-2true assume { :begin_inline_timeShift } true; 52#L752true assume !(0 != ~pumpRunning~0); 53#L752-2true assume !(0 != ~systemActive~0); 16#L759-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 97#L277true __utac_acc__Specification4_spec__1_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; 58#L291true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 35#L291-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 28#L769true assume { :end_inline_timeShift } true; 68#L686-2true [2022-11-18 21:06:23,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-18 21:06:23,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:23,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236900158] [2022-11-18 21:06:23,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:23,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:23,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:06:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:23,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:06:23,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1841869244, now seen corresponding path program 1 times [2022-11-18 21:06:23,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:23,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893821274] [2022-11-18 21:06:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:23,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:23,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:06:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:23,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:06:23,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash -486450168, now seen corresponding path program 1 times [2022-11-18 21:06:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:23,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397417175] [2022-11-18 21:06:23,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:06:23,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:23,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397417175] [2022-11-18 21:06:23,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397417175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:23,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:23,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:06:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173750451] [2022-11-18 21:06:23,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:23,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:23,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:23,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:23,936 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:06:24,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:24,055 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2022-11-18 21:06:24,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2022-11-18 21:06:24,065 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2022-11-18 21:06:24,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2022-11-18 21:06:24,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2022-11-18 21:06:24,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2022-11-18 21:06:24,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2022-11-18 21:06:24,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:06:24,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2022-11-18 21:06:24,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2022-11-18 21:06:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2022-11-18 21:06:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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) [2022-11-18 21:06:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2022-11-18 21:06:24,116 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-11-18 21:06:24,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:06:24,123 INFO L428 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-11-18 21:06:24,126 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 21:06:24,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2022-11-18 21:06:24,128 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2022-11-18 21:06:24,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:06:24,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:06:24,138 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:24,138 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:24,139 INFO L748 eck$LassoCheckResult]: Stem: 451#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;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 442#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 443#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 454#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; 427#L83 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 371#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 372#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 407#L686-2 [2022-11-18 21:06:24,139 INFO L750 eck$LassoCheckResult]: Loop: 407#L686-2 assume !false; 412#L687 assume test_~splverifierCounter~0#1 < 4; 436#L688 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 437#L696 assume !(0 != test_~tmp~5#1); 422#L696-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 423#L706 assume !(0 != test_~tmp___0~1#1); 404#L706-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 434#L716 assume 0 != test_~tmp___2~0#1; 448#L722-2 assume { :begin_inline_timeShift } true; 375#L752 assume !(0 != ~pumpRunning~0); 376#L752-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 378#L784 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 379#L776-1 assume { :end_inline_processEnvironment__wrappee__base } true; 380#L784-1 assume { :end_inline_processEnvironment } true; 419#L759-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 420#L277 __utac_acc__Specification4_spec__1_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; 395#L291 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 384#L291-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 445#L769 assume { :end_inline_timeShift } true; 407#L686-2 [2022-11-18 21:06:24,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:24,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-18 21:06:24,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:24,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443677576] [2022-11-18 21:06:24,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:24,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:24,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:06:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:24,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:06:24,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:24,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1752585458, now seen corresponding path program 1 times [2022-11-18 21:06:24,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:24,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857716861] [2022-11-18 21:06:24,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:24,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:24,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:06:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:24,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:06:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:24,216 INFO L85 PathProgramCache]: Analyzing trace with hash 549557962, now seen corresponding path program 1 times [2022-11-18 21:06:24,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:24,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816409801] [2022-11-18 21:06:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:24,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:06:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:24,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:06:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:25,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:06:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:06:25,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:06:25 BoogieIcfgContainer [2022-11-18 21:06:25,314 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 21:06:25,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:06:25,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:06:25,315 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:06:25,316 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:22" (3/4) ... [2022-11-18 21:06:25,319 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 21:06:25,361 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:06:25,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:06:25,362 INFO L158 Benchmark]: Toolchain (without parser) took 3460.07ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 71.8MB in the beginning and 86.6MB in the end (delta: -14.7MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-18 21:06:25,362 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:06:25,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.57ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 75.5MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:06:25,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.47ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 73.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 21:06:25,364 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:06:25,364 INFO L158 Benchmark]: RCFGBuilder took 497.78ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 55.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 21:06:25,365 INFO L158 Benchmark]: BuchiAutomizer took 2329.08ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 55.1MB in the beginning and 88.7MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:06:25,365 INFO L158 Benchmark]: Witness Printer took 46.46ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 86.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:06:25,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 25.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.57ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 75.5MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.47ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 73.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 107.0MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.78ms. Allocated memory is still 107.0MB. Free memory was 71.4MB in the beginning and 55.1MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2329.08ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 55.1MB in the beginning and 88.7MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.46ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 86.6MB 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 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 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 82 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, 545 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 565 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 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: 686]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L203] int methaneLevelCritical = 0; [L745] int pumpRunning = 0; [L202] int waterLevel = 1; [L746] int systemActive = 1; [L88] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] FCALL processEnvironment__wrappee__base() [L761] RET processEnvironment() [L767] CALL __utac_acc__Specification4_spec__1() [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR getWaterLevel() [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] RET, EXPR getWaterLevel() [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) [L767] RET __utac_acc__Specification4_spec__1() [L731] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 686]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L203] int methaneLevelCritical = 0; [L745] int pumpRunning = 0; [L202] int waterLevel = 1; [L746] int systemActive = 1; [L88] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] FCALL processEnvironment__wrappee__base() [L761] RET processEnvironment() [L767] CALL __utac_acc__Specification4_spec__1() [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR getWaterLevel() [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] RET, EXPR getWaterLevel() [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) [L767] RET __utac_acc__Specification4_spec__1() [L731] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 21:06:25,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72246295-93b3-4d54-8cb0-aa985f404244/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)