./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --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 b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:06:57,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:06:58,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:06:58,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:06:58,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:06:58,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:06:58,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:06:58,138 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:06:58,139 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:06:58,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:06:58,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:06:58,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:06:58,139 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:06:58,139 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:06:58,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:06:58,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:06:58,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:06:58,142 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:06:58,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:06:58,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:06:58,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:06:58,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:06:58,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:06:58,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:06:58,145 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:06:58,146 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea [2024-11-28 03:06:58,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:06:58,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:06:58,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:06:58,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:06:58,546 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:06:58,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2024-11-28 03:07:01,643 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/data/4e2770532/9b974c97752b40c6aa9a50ccbe562474/FLAG68b0e6472 [2024-11-28 03:07:02,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:07:02,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2024-11-28 03:07:02,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/data/4e2770532/9b974c97752b40c6aa9a50ccbe562474/FLAG68b0e6472 [2024-11-28 03:07:02,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/data/4e2770532/9b974c97752b40c6aa9a50ccbe562474 [2024-11-28 03:07:02,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:07:02,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:07:02,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:07:02,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:07:02,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:07:02,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98b88e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02, skipping insertion in model container [2024-11-28 03:07:02,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:07:02,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:07:02,613 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:07:02,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-28 03:07:02,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-28 03:07:02,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] [2024-11-28 03:07:02,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [238] [2024-11-28 03:07:02,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [306] [2024-11-28 03:07:02,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [402] [2024-11-28 03:07:02,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [768] [2024-11-28 03:07:02,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [849] [2024-11-28 03:07:02,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:07:02,749 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:07:02,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02 WrapperNode [2024-11-28 03:07:02,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:07:02,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:07:02,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:07:02,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:07:02,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,811 INFO L138 Inliner]: procedures = 50, calls = 94, calls flagged for inlining = 47, calls inlined = 53, statements flattened = 340 [2024-11-28 03:07:02,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:07:02,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:07:02,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:07:02,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:07:02,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,871 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:07:02,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,885 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:07:02,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:07:02,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:07:02,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:07:02,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (1/1) ... [2024-11-28 03:07:02,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:07:02,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:07:02,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:07:02,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:07:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:07:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:07:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:07:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:07:03,087 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:07:03,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:07:03,515 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-28 03:07:03,515 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:07:03,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:07:03,535 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:07:03,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:03 BoogieIcfgContainer [2024-11-28 03:07:03,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:07:03,537 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:07:03,537 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:07:03,544 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:07:03,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:07:03,545 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:07:02" (1/3) ... [2024-11-28 03:07:03,547 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10d2eeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:03, skipping insertion in model container [2024-11-28 03:07:03,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:07:03,547 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:02" (2/3) ... [2024-11-28 03:07:03,547 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10d2eeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:07:03, skipping insertion in model container [2024-11-28 03:07:03,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:07:03,548 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:03" (3/3) ... [2024-11-28 03:07:03,549 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2024-11-28 03:07:03,612 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:07:03,613 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:07:03,613 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:07:03,613 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:07:03,613 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:07:03,613 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:07:03,613 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:07:03,614 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:07:03,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2024-11-28 03:07:03,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-28 03:07:03,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:07:03,643 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:07:03,651 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:03,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:03,651 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:07:03,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2024-11-28 03:07:03,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-28 03:07:03,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:07:03,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:07:03,659 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:03,659 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:03,669 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:07:03,669 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet15#1;test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~6#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:07:03,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:03,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-28 03:07:03,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:03,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716282949] [2024-11-28 03:07:03,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:03,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:03,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:03,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:03,873 INFO L85 PathProgramCache]: Analyzing trace with hash 348687816, now seen corresponding path program 1 times [2024-11-28 03:07:03,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:03,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744435667] [2024-11-28 03:07:03,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:03,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:03,892 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:03,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:03,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:03,913 INFO L85 PathProgramCache]: Analyzing trace with hash 392411012, now seen corresponding path program 1 times [2024-11-28 03:07:03,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:03,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821693896] [2024-11-28 03:07:03,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:03,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:07:04,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:07:04,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821693896] [2024-11-28 03:07:04,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821693896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:07:04,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822333389] [2024-11-28 03:07:04,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:04,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:07:04,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:07:04,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:07:04,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:07:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:07:04,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:07:04,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:07:04,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:07:04,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822333389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:07:04,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:07:04,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-28 03:07:04,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732935056] [2024-11-28 03:07:04,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:07:04,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:07:04,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:07:04,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:07:04,767 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-28 03:07:04,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:07:04,889 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2024-11-28 03:07:04,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 122 transitions. [2024-11-28 03:07:04,894 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2024-11-28 03:07:04,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 87 states and 112 transitions. [2024-11-28 03:07:04,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2024-11-28 03:07:04,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2024-11-28 03:07:04,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 112 transitions. [2024-11-28 03:07:04,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:07:04,905 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2024-11-28 03:07:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 112 transitions. [2024-11-28 03:07:04,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-28 03:07:04,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 86 states have internal predecessors, (112), 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) [2024-11-28 03:07:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2024-11-28 03:07:04,942 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2024-11-28 03:07:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:07:04,948 INFO L425 stractBuchiCegarLoop]: Abstraction has 87 states and 112 transitions. [2024-11-28 03:07:04,948 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:07:04,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 112 transitions. [2024-11-28 03:07:04,950 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2024-11-28 03:07:04,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:07:04,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:07:04,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:04,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:04,951 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:07:04,952 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet15#1;test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~6#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:07:04,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:04,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-28 03:07:04,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:04,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645865559] [2024-11-28 03:07:04,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:04,976 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:04,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:04,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash -208104191, now seen corresponding path program 1 times [2024-11-28 03:07:04,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:04,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929467627] [2024-11-28 03:07:04,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:04,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,018 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:05,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:05,029 INFO L85 PathProgramCache]: Analyzing trace with hash 974537157, now seen corresponding path program 1 times [2024-11-28 03:07:05,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:05,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258563046] [2024-11-28 03:07:05,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:05,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:07:05,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:07:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258563046] [2024-11-28 03:07:05,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258563046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:07:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417400754] [2024-11-28 03:07:05,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:05,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:07:05,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:07:05,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:07:05,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:07:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:07:05,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:07:05,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:07:05,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:07:05,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417400754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:07:05,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:07:05,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 03:07:05,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831170410] [2024-11-28 03:07:05,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:07:05,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:07:05,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:07:05,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:07:05,594 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-11-28 03:07:05,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:07:05,740 INFO L93 Difference]: Finished difference Result 167 states and 213 transitions. [2024-11-28 03:07:05,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 167 states and 213 transitions. [2024-11-28 03:07:05,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2024-11-28 03:07:05,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 167 states to 167 states and 213 transitions. [2024-11-28 03:07:05,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2024-11-28 03:07:05,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2024-11-28 03:07:05,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 213 transitions. [2024-11-28 03:07:05,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:07:05,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 167 states and 213 transitions. [2024-11-28 03:07:05,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 213 transitions. [2024-11-28 03:07:05,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-28 03:07:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 167 states have (on average 1.2754491017964071) internal successors, (213), 166 states have internal predecessors, (213), 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) [2024-11-28 03:07:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 213 transitions. [2024-11-28 03:07:05,773 INFO L240 hiAutomatonCegarLoop]: Abstraction has 167 states and 213 transitions. [2024-11-28 03:07:05,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:07:05,777 INFO L425 stractBuchiCegarLoop]: Abstraction has 167 states and 213 transitions. [2024-11-28 03:07:05,777 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:07:05,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states and 213 transitions. [2024-11-28 03:07:05,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2024-11-28 03:07:05,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:07:05,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:07:05,780 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:05,780 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:07:05,780 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "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;" "main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:07:05,780 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet15#1;test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1;" "assume !(0 != test_~tmp~1#1);" "havoc test_#t~nondet16#1;test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet17#1;test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1;" "__utac_acc__Specification3_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:07:05,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:05,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-28 03:07:05,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:05,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112432107] [2024-11-28 03:07:05,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:05,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,804 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:05,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:05,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1876526870, now seen corresponding path program 1 times [2024-11-28 03:07:05,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:05,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803096310] [2024-11-28 03:07:05,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:05,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,831 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:05,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:05,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:07:05,838 INFO L85 PathProgramCache]: Analyzing trace with hash 228528858, now seen corresponding path program 1 times [2024-11-28 03:07:05,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:07:05,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426979044] [2024-11-28 03:07:05,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:07:05,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:07:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,863 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:05,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:07:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:07,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:07:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:07:07,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:07:07 BoogieIcfgContainer [2024-11-28 03:07:07,240 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:07:07,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:07:07,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:07:07,241 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:07:07,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:03" (3/4) ... [2024-11-28 03:07:07,244 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 03:07:07,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:07:07,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:07:07,313 INFO L158 Benchmark]: Toolchain (without parser) took 5263.05ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 82.6MB in the end (delta: 9.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-28 03:07:07,313 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:07:07,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.60ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:07:07,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.68ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:07:07,314 INFO L158 Benchmark]: Boogie Preprocessor took 99.30ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:07:07,315 INFO L158 Benchmark]: RCFGBuilder took 623.34ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 51.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:07:07,315 INFO L158 Benchmark]: BuchiAutomizer took 3703.82ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 84.9MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:07:07,315 INFO L158 Benchmark]: Witness Printer took 69.74ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:07:07,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 117.4MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.60ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 73.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.68ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 71.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 99.30ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 69.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 623.34ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 51.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3703.82ms. Allocated memory is still 117.4MB. Free memory was 51.5MB in the beginning and 84.9MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.74ms. Allocated memory is still 117.4MB. Free memory was 84.9MB in the beginning and 82.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [96] - GenericResultAtLocation [Line: 238]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [238] - GenericResultAtLocation [Line: 306]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [306] - GenericResultAtLocation [Line: 402]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [402] - GenericResultAtLocation [Line: 768]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [768] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [849] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 167 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 314 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 314 mSDsluCounter, 728 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 514 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 214 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 254]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L105] int pumpRunning = 0; [L106] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L572] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L770] int waterLevel = 1; [L771] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; [L385] FCALL select_helpers() [L386] FCALL select_features() [L387] 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, systemActive=1, waterLevel=1] [L387] RET, EXPR valid_product() [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L391] FCALL setup() [L392] CALL runTest() [L374] CALL test() [L243] int splverifierCounter ; [L244] int tmp ; [L245] int tmp___0 ; [L246] int tmp___1 ; [L247] int tmp___2 ; [L250] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L254] COND TRUE splverifierCounter < 4 [L260] tmp = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp)) [L270] tmp___0 = __VERIFIER_nondet_int() [L272] COND FALSE !(\read(tmp___0)) [L280] tmp___2 = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp___2) [L295] CALL timeShift() [L113] COND FALSE !(\read(pumpRunning)) [L120] COND TRUE \read(systemActive) [L122] CALL processEnvironment() [L142] int tmp ; [L145] COND FALSE !(\read(pumpRunning)) [L160] FCALL processEnvironment__wrappee__base() [L122] RET processEnvironment() [L128] CALL __utac_acc__Specification3_spec__1() [L851] int tmp ; [L852] int tmp___0 ; [L853] int tmp___1 ; [L857] CALL, EXPR isMethaneLevelCritical() [L809] int retValue_acc ; [L812] retValue_acc = methaneLevelCritical [L813] return (retValue_acc); [L857] RET, EXPR isMethaneLevelCritical() [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) [L863] CALL, EXPR getWaterLevel() [L841] int retValue_acc ; [L844] retValue_acc = waterLevel [L845] return (retValue_acc); [L863] RET, EXPR getWaterLevel() [L863] tmp___0 = getWaterLevel() [L865] COND FALSE !(tmp___0 == 2) [L128] RET __utac_acc__Specification3_spec__1() [L295] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 254]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L105] int pumpRunning = 0; [L106] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L572] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L770] int waterLevel = 1; [L771] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; [L385] FCALL select_helpers() [L386] FCALL select_features() [L387] 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, systemActive=1, waterLevel=1] [L387] RET, EXPR valid_product() [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L391] FCALL setup() [L392] CALL runTest() [L374] CALL test() [L243] int splverifierCounter ; [L244] int tmp ; [L245] int tmp___0 ; [L246] int tmp___1 ; [L247] int tmp___2 ; [L250] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L254] COND TRUE splverifierCounter < 4 [L260] tmp = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp)) [L270] tmp___0 = __VERIFIER_nondet_int() [L272] COND FALSE !(\read(tmp___0)) [L280] tmp___2 = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp___2) [L295] CALL timeShift() [L113] COND FALSE !(\read(pumpRunning)) [L120] COND TRUE \read(systemActive) [L122] CALL processEnvironment() [L142] int tmp ; [L145] COND FALSE !(\read(pumpRunning)) [L160] FCALL processEnvironment__wrappee__base() [L122] RET processEnvironment() [L128] CALL __utac_acc__Specification3_spec__1() [L851] int tmp ; [L852] int tmp___0 ; [L853] int tmp___1 ; [L857] CALL, EXPR isMethaneLevelCritical() [L809] int retValue_acc ; [L812] retValue_acc = methaneLevelCritical [L813] return (retValue_acc); [L857] RET, EXPR isMethaneLevelCritical() [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) [L863] CALL, EXPR getWaterLevel() [L841] int retValue_acc ; [L844] retValue_acc = waterLevel [L845] return (retValue_acc); [L863] RET, EXPR getWaterLevel() [L863] tmp___0 = getWaterLevel() [L865] COND FALSE !(tmp___0 == 2) [L128] RET __utac_acc__Specification3_spec__1() [L295] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:07:07,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:07:07,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:07:07,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d48ea3d0-73cd-433c-ae64-7b12b0675cb5/bin/uautomizer-verify-aQ6SnzHsRB/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)