./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl --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 b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:25:38,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:25:38,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:25:38,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:25:38,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:25:38,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:25:38,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:25:38,603 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:25:38,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:25:38,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:25:38,611 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:25:38,611 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:25:38,612 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:25:38,614 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:25:38,614 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:25:38,615 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:25:38,615 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:25:38,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:25:38,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:25:38,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:25:38,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:25:38,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:25:38,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:25:38,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:25:38,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:25:38,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:25:38,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:25:38,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:25:38,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:25:38,621 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:25:38,622 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:25:38,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:25:38,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:25:38,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:25:38,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:25:38,624 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:25:38,624 INFO L153 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_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2023-11-12 02:25:38,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:25:38,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:25:38,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:25:38,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:25:38,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:25:38,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2023-11-12 02:25:42,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:25:42,422 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:25:42,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2023-11-12 02:25:42,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/data/fa7fc13ed/0bc878cdc9f743ce9e8b3db57ea9d650/FLAG124cedb99 [2023-11-12 02:25:42,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/data/fa7fc13ed/0bc878cdc9f743ce9e8b3db57ea9d650 [2023-11-12 02:25:42,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:25:42,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:25:42,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:42,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:25:42,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:25:42,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:42,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266d5c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42, skipping insertion in model container [2023-11-12 02:25:42,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:42,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:25:42,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:42,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:25:42,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-12 02:25:42,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2023-11-12 02:25:42,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] [2023-11-12 02:25:42,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] [2023-11-12 02:25:42,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [638] [2023-11-12 02:25:42,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [647] [2023-11-12 02:25:42,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [682] [2023-11-12 02:25:42,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [816] [2023-11-12 02:25:42,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:42,989 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:25:42,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42 WrapperNode [2023-11-12 02:25:42,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:42,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:42,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:25:42,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:25:42,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,040 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 46, calls inlined = 41, statements flattened = 271 [2023-11-12 02:25:43,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:43,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:25:43,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:25:43,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:25:43,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:25:43,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:25:43,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:25:43,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:25:43,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (1/1) ... [2023-11-12 02:25:43,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:25:43,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:25:43,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:25:43,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:25:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:25:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:25:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:25:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:25:43,262 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:25:43,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:25:43,615 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:25:43,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:25:43,624 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:25:43,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:43 BoogieIcfgContainer [2023-11-12 02:25:43,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:25:43,628 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:25:43,628 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:25:43,632 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:25:43,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:25:43,634 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:25:42" (1/3) ... [2023-11-12 02:25:43,635 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ded8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:25:43, skipping insertion in model container [2023-11-12 02:25:43,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:25:43,635 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:42" (2/3) ... [2023-11-12 02:25:43,636 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ded8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:25:43, skipping insertion in model container [2023-11-12 02:25:43,636 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:25:43,636 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:43" (3/3) ... [2023-11-12 02:25:43,637 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2023-11-12 02:25:43,700 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:25:43,701 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:25:43,701 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:25:43,701 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:25:43,701 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:25:43,702 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:25:43,702 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:25:43,702 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:25:43,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2023-11-12 02:25:43,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2023-11-12 02:25:43,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:25:43,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:25:43,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:43,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:43,743 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:25:43,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2023-11-12 02:25:43,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2023-11-12 02:25:43,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:25:43,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:25:43,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:43,753 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:43,760 INFO L748 eck$LassoCheckResult]: Stem: 37#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 22#valid_product_returnLabel#1true main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 65#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 51#L827-2true [2023-11-12 02:25:43,761 INFO L750 eck$LassoCheckResult]: Loop: 51#L827-2true assume !false; 66#L828true assume test_~splverifierCounter~0#1 < 4; 12#L829true havoc test_#t~nondet46#1;test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 56#L837true assume !(0 != test_~tmp~5#1); 71#L837-2true havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 49#L847true assume !(0 != test_~tmp___0~1#1); 79#L847-2true havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 40#L857true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet49#1;test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 42#L865true assume !(0 != test_~tmp___1~1#1); 33#L865-2true assume { :begin_inline_timeShift } true; 20#L694true assume !(0 != ~pumpRunning~0); 85#L694-2true assume !(0 != ~systemActive~0); 21#L701-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 67#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 30#L658true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 45#L664-1true havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 78#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 51#L827-2true [2023-11-12 02:25:43,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:43,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:25:43,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:43,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735028817] [2023-11-12 02:25:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:43,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:43,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:43,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:43,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:43,932 INFO L85 PathProgramCache]: Analyzing trace with hash 522900897, now seen corresponding path program 1 times [2023-11-12 02:25:43,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:43,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816625426] [2023-11-12 02:25:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:43,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:43,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:43,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:43,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash -408780707, now seen corresponding path program 1 times [2023-11-12 02:25:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:43,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534939692] [2023-11-12 02:25:43,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:44,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:44,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534939692] [2023-11-12 02:25:44,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534939692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:44,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:44,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:25:44,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970116973] [2023-11-12 02:25:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:44,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:44,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:44,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:44,473 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:44,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:44,715 INFO L93 Difference]: Finished difference Result 303 states and 386 transitions. [2023-11-12 02:25:44,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 386 transitions. [2023-11-12 02:25:44,758 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194 [2023-11-12 02:25:44,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 263 states and 346 transitions. [2023-11-12 02:25:44,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2023-11-12 02:25:44,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2023-11-12 02:25:44,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 346 transitions. [2023-11-12 02:25:44,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:44,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 346 transitions. [2023-11-12 02:25:44,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 346 transitions. [2023-11-12 02:25:44,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 131. [2023-11-12 02:25:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 131 states have (on average 1.3206106870229009) internal successors, (173), 130 states have internal predecessors, (173), 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) [2023-11-12 02:25:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 173 transitions. [2023-11-12 02:25:44,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 131 states and 173 transitions. [2023-11-12 02:25:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:44,818 INFO L428 stractBuchiCegarLoop]: Abstraction has 131 states and 173 transitions. [2023-11-12 02:25:44,818 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:25:44,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 173 transitions. [2023-11-12 02:25:44,820 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2023-11-12 02:25:44,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:25:44,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:25:44,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:44,821 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:44,822 INFO L748 eck$LassoCheckResult]: Stem: 460#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 448#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 449#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 442#valid_product_returnLabel#1 main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 443#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 412#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 413#L827-2 [2023-11-12 02:25:44,822 INFO L750 eck$LassoCheckResult]: Loop: 413#L827-2 assume !false; 474#L828 assume test_~splverifierCounter~0#1 < 4; 425#L829 havoc test_#t~nondet46#1;test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 426#L837 assume !(0 != test_~tmp~5#1); 475#L837-2 havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 472#L847 assume !(0 != test_~tmp___0~1#1); 473#L847-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 463#L857 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet49#1;test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 464#L865 assume !(0 != test_~tmp___1~1#1); 456#L865-2 assume { :begin_inline_timeShift } true; 437#L694 assume !(0 != ~pumpRunning~0); 438#L694-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 444#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 440#L701-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 441#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 450#L658 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 451#L664-1 havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 467#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 413#L827-2 [2023-11-12 02:25:44,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:44,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:25:44,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:44,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103777218] [2023-11-12 02:25:44,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:44,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:44,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:44,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:44,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:44,849 INFO L85 PathProgramCache]: Analyzing trace with hash -341466731, now seen corresponding path program 1 times [2023-11-12 02:25:44,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:44,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450880620] [2023-11-12 02:25:44,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:44,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:44,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:44,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:44,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash 841174617, now seen corresponding path program 1 times [2023-11-12 02:25:44,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:44,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480447465] [2023-11-12 02:25:44,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:44,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:25:44,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:44,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480447465] [2023-11-12 02:25:44,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480447465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:44,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:44,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:25:44,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058567912] [2023-11-12 02:25:44,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:45,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:45,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:25:45,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:25:45,119 INFO L87 Difference]: Start difference. First operand 131 states and 173 transitions. cyclomatic complexity: 45 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) [2023-11-12 02:25:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:45,236 INFO L93 Difference]: Finished difference Result 327 states and 429 transitions. [2023-11-12 02:25:45,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 327 states and 429 transitions. [2023-11-12 02:25:45,240 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 244 [2023-11-12 02:25:45,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 327 states to 327 states and 429 transitions. [2023-11-12 02:25:45,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 327 [2023-11-12 02:25:45,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 327 [2023-11-12 02:25:45,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 327 states and 429 transitions. [2023-11-12 02:25:45,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:25:45,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 327 states and 429 transitions. [2023-11-12 02:25:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states and 429 transitions. [2023-11-12 02:25:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 255. [2023-11-12 02:25:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.2980392156862746) internal successors, (331), 254 states have internal predecessors, (331), 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) [2023-11-12 02:25:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 331 transitions. [2023-11-12 02:25:45,268 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 331 transitions. [2023-11-12 02:25:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:25:45,269 INFO L428 stractBuchiCegarLoop]: Abstraction has 255 states and 331 transitions. [2023-11-12 02:25:45,270 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:25:45,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 331 transitions. [2023-11-12 02:25:45,272 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 190 [2023-11-12 02:25:45,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:25:45,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:25:45,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:45,273 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] [2023-11-12 02:25:45,274 INFO L748 eck$LassoCheckResult]: Stem: 936#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 937#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 923#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 924#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 916#valid_product_returnLabel#1 main_#t~ret33#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 917#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 884#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 885#L827-2 [2023-11-12 02:25:45,274 INFO L750 eck$LassoCheckResult]: Loop: 885#L827-2 assume !false; 952#L828 assume test_~splverifierCounter~0#1 < 4; 897#L829 havoc test_#t~nondet46#1;test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 898#L837 assume !(0 != test_~tmp~5#1); 953#L837-2 havoc test_#t~nondet47#1;test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 950#L847 assume !(0 != test_~tmp___0~1#1); 951#L847-2 havoc test_#t~nondet48#1;test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 977#L857 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1125#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 932#L865-2 assume { :begin_inline_timeShift } true; 911#L694 assume !(0 != ~pumpRunning~0); 912#L694-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 981#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 1089#L701-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1087#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 1085#L658 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1083#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret35#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret35#1;havoc __utac_acc__Specification3_spec__1_#t~ret35#1; 1079#L664 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1075#L664-1 havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 976#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 885#L827-2 [2023-11-12 02:25:45,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-12 02:25:45,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:45,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888269826] [2023-11-12 02:25:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:45,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:45,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:45,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:45,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1414267672, now seen corresponding path program 1 times [2023-11-12 02:25:45,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:45,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725405697] [2023-11-12 02:25:45,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:45,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:45,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:45,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash -233730340, now seen corresponding path program 1 times [2023-11-12 02:25:45,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:45,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058168499] [2023-11-12 02:25:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:45,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:45,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:45,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:25:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:46,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:25:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:25:46,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:25:46 BoogieIcfgContainer [2023-11-12 02:25:46,508 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:25:46,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:25:46,509 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:25:46,509 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:25:46,510 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:43" (3/4) ... [2023-11-12 02:25:46,511 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:25:46,590 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:25:46,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:25:46,591 INFO L158 Benchmark]: Toolchain (without parser) took 4118.21ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 98.0MB in the beginning and 127.8MB in the end (delta: -29.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,591 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 144.7MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:46,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.20ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 79.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.22ms. Allocated memory is still 144.7MB. Free memory was 79.5MB in the beginning and 77.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,592 INFO L158 Benchmark]: Boogie Preprocessor took 30.15ms. Allocated memory is still 144.7MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,593 INFO L158 Benchmark]: RCFGBuilder took 554.61ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 75.5MB in the beginning and 159.6MB in the end (delta: -84.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,593 INFO L158 Benchmark]: BuchiAutomizer took 2879.61ms. Allocated memory is still 195.0MB. Free memory was 159.6MB in the beginning and 129.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,594 INFO L158 Benchmark]: Witness Printer took 81.69ms. Allocated memory is still 195.0MB. Free memory was 129.9MB in the beginning and 127.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:46,596 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 144.7MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.20ms. Allocated memory is still 144.7MB. Free memory was 98.0MB in the beginning and 79.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.22ms. Allocated memory is still 144.7MB. Free memory was 79.5MB in the beginning and 77.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.15ms. Allocated memory is still 144.7MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.61ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 75.5MB in the beginning and 159.6MB in the end (delta: -84.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2879.61ms. Allocated memory is still 195.0MB. Free memory was 159.6MB in the beginning and 129.9MB in the end (delta: 29.7MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 81.69ms. Allocated memory is still 195.0MB. Free memory was 129.9MB in the beginning and 127.8MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [638] - GenericResultAtLocation [Line: 647]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [647] - GenericResultAtLocation [Line: 682]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [682] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [816] * 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 6 locations. The remainder module has 255 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 204 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 665 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 665 mSDsluCounter, 1326 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1093 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 233 mSDtfsCounter, 97 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: 827]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L859] CALL startSystem() [L812] systemActive = 1 [L859] RET startSystem() [L874] CALL timeShift() [L694] COND FALSE !(\read(pumpRunning)) [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L656] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND FALSE !(tmp___0 == 2) [L709] RET __utac_acc__Specification3_spec__1() [L874] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 827]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L859] CALL startSystem() [L812] systemActive = 1 [L859] RET startSystem() [L874] CALL timeShift() [L694] COND FALSE !(\read(pumpRunning)) [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L656] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND FALSE !(tmp___0 == 2) [L709] RET __utac_acc__Specification3_spec__1() [L874] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:25:46,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5dd76a55-b372-4ef0-8cd6-6fbee6c47aa8/bin/uautomizer-verify-uTZkv6EMXl/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)