./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu --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 a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:33:45,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:33:45,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:33:45,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:33:45,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:33:45,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:33:45,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:33:45,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:33:45,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:33:45,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:33:45,843 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:33:45,843 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:33:45,844 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:33:45,845 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:33:45,845 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:33:45,846 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:33:45,846 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:33:45,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:33:45,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:33:45,848 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:33:45,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:33:45,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:33:45,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:33:45,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:33:45,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:33:45,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:33:45,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:33:45,852 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:33:45,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:33:45,853 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:33:45,853 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:33:45,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:33:45,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:33:45,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:33:45,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:33:45,856 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:33:45,856 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_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2023-11-19 07:33:46,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:33:46,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:33:46,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:33:46,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:33:46,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:33:46,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2023-11-19 07:33:49,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:33:49,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:33:49,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2023-11-19 07:33:49,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/data/fe96d55ff/268053f1bc5b4492bb1b94590f5055d1/FLAGf6f2d37d3 [2023-11-19 07:33:49,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/data/fe96d55ff/268053f1bc5b4492bb1b94590f5055d1 [2023-11-19 07:33:49,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:33:49,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:33:49,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:49,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:33:49,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:33:49,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4082eda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:49, skipping insertion in model container [2023-11-19 07:33:49,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:49" (1/1) ... [2023-11-19 07:33:49,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:33:49,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:49,983 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:33:49,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:33:49,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-11-19 07:33:49,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] [2023-11-19 07:33:49,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] [2023-11-19 07:33:49,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] [2023-11-19 07:33:49,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2023-11-19 07:33:49,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] [2023-11-19 07:33:49,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] [2023-11-19 07:33:50,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:50,090 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:33:50,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50 WrapperNode [2023-11-19 07:33:50,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:50,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:50,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:33:50,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:33:50,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,150 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 337 [2023-11-19 07:33:50,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:50,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:33:50,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:33:50,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:33:50,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:33:50,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:33:50,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:33:50,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:33:50,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (1/1) ... [2023-11-19 07:33:50,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:33:50,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:33:50,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:33:50,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:33:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:33:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:33:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:33:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:33:50,427 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:33:50,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:33:50,885 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:33:50,904 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:33:50,904 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:33:50,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:50 BoogieIcfgContainer [2023-11-19 07:33:50,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:33:50,911 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:33:50,911 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:33:50,921 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:33:50,923 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:33:50,923 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:33:49" (1/3) ... [2023-11-19 07:33:50,924 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a714613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:33:50, skipping insertion in model container [2023-11-19 07:33:50,924 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:33:50,924 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:50" (2/3) ... [2023-11-19 07:33:50,924 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a714613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:33:50, skipping insertion in model container [2023-11-19 07:33:50,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:33:50,925 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:50" (3/3) ... [2023-11-19 07:33:50,926 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2023-11-19 07:33:50,992 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:33:50,992 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:33:50,992 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:33:50,992 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:33:50,992 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:33:50,993 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:33:50,993 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:33:50,993 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:33:50,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2023-11-19 07:33:51,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-19 07:33:51,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:33:51,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:33:51,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:51,038 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:51,038 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:33:51,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2023-11-19 07:33:51,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-19 07:33:51,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:33:51,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:33:51,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:51,049 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:51,056 INFO L748 eck$LassoCheckResult]: Stem: 28#$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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 81#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 85#L149true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 65#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#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; 69#L175-2true [2023-11-19 07:33:51,058 INFO L750 eck$LassoCheckResult]: Loop: 69#L175-2true assume !false; 36#L176true assume test_~splverifierCounter~0#1 < 4; 47#L177true havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 89#L185true assume !(0 != test_~tmp~1#1); 40#L185-2true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 94#L195true assume !(0 != test_~tmp___0~0#1); 70#L195-2true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 72#L205true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 107#L213true assume !(0 != test_~tmp___1~0#1); 13#L213-2true assume { :begin_inline_timeShift } true; 7#L249true assume !(0 != ~pumpRunning~0); 24#L249-2true assume !(0 != ~systemActive~0); 59#L256-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 104#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; 98#L916true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 71#L916-1true havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 69#L175-2true [2023-11-19 07:33:51,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:51,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-19 07:33:51,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:51,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33850195] [2023-11-19 07:33:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:51,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:51,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:51,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1380836273, now seen corresponding path program 1 times [2023-11-19 07:33:51,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:51,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902215031] [2023-11-19 07:33:51,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:51,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:51,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash 449154669, now seen corresponding path program 1 times [2023-11-19 07:33:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:51,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438841070] [2023-11-19 07:33:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:51,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:51,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438841070] [2023-11-19 07:33:51,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438841070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:51,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:51,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:51,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107956892] [2023-11-19 07:33:51,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:51,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:51,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:33:51,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:33:51,804 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2023-11-19 07:33:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:52,051 INFO L93 Difference]: Finished difference Result 360 states and 458 transitions. [2023-11-19 07:33:52,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 360 states and 458 transitions. [2023-11-19 07:33:52,076 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 232 [2023-11-19 07:33:52,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 360 states to 320 states and 418 transitions. [2023-11-19 07:33:52,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 320 [2023-11-19 07:33:52,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 320 [2023-11-19 07:33:52,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 320 states and 418 transitions. [2023-11-19 07:33:52,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:33:52,111 INFO L218 hiAutomatonCegarLoop]: Abstraction has 320 states and 418 transitions. [2023-11-19 07:33:52,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states and 418 transitions. [2023-11-19 07:33:52,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 146. [2023-11-19 07:33:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3082191780821917) internal successors, (191), 145 states have internal predecessors, (191), 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) [2023-11-19 07:33:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 191 transitions. [2023-11-19 07:33:52,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 191 transitions. [2023-11-19 07:33:52,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:52,169 INFO L428 stractBuchiCegarLoop]: Abstraction has 146 states and 191 transitions. [2023-11-19 07:33:52,170 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:33:52,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 191 transitions. [2023-11-19 07:33:52,190 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2023-11-19 07:33:52,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:33:52,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:33:52,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:52,192 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] [2023-11-19 07:33:52,193 INFO L748 eck$LassoCheckResult]: Stem: 553#$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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 554#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 546#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 547#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 540#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 541#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 492#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#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; 493#L175-2 [2023-11-19 07:33:52,193 INFO L750 eck$LassoCheckResult]: Loop: 493#L175-2 assume !false; 503#L176 assume test_~splverifierCounter~0#1 < 4; 566#L177 havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 555#L185 assume !(0 != test_~tmp~1#1); 557#L185-2 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 563#L195 assume !(0 != test_~tmp___0~0#1); 504#L195-2 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 505#L205 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 513#L213 assume !(0 != test_~tmp___1~0#1); 526#L213-2 assume { :begin_inline_timeShift } true; 500#L249 assume !(0 != ~pumpRunning~0); 501#L249-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 531#L281 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 496#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 497#L281-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 550#L256-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 579#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; 572#L916 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 511#L916-1 havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 512#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 493#L175-2 [2023-11-19 07:33:52,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:52,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-19 07:33:52,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:52,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364448608] [2023-11-19 07:33:52,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:52,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:52,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:52,250 INFO L85 PathProgramCache]: Analyzing trace with hash 171629351, now seen corresponding path program 1 times [2023-11-19 07:33:52,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:52,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653617521] [2023-11-19 07:33:52,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:52,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:52,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:52,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1476368661, now seen corresponding path program 1 times [2023-11-19 07:33:52,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:52,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521239727] [2023-11-19 07:33:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:52,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:52,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:53,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:53,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:33:53 BoogieIcfgContainer [2023-11-19 07:33:53,582 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:33:53,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:33:53,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:33:53,584 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:33:53,585 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:50" (3/4) ... [2023-11-19 07:33:53,589 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:33:53,662 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:33:53,666 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:33:53,668 INFO L158 Benchmark]: Toolchain (without parser) took 4063.91ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 142.5MB in the beginning and 132.1MB in the end (delta: 10.4MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,668 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 125.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:53,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.08ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 122.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 172.0MB. Free memory was 122.8MB in the beginning and 120.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,670 INFO L158 Benchmark]: Boogie Preprocessor took 58.29ms. Allocated memory is still 172.0MB. Free memory was 120.7MB in the beginning and 118.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,671 INFO L158 Benchmark]: RCFGBuilder took 699.37ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 100.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,676 INFO L158 Benchmark]: BuchiAutomizer took 2671.50ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 100.3MB in the beginning and 135.3MB in the end (delta: -35.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,677 INFO L158 Benchmark]: Witness Printer took 83.65ms. Allocated memory is still 207.6MB. Free memory was 135.3MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:53,679 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 125.8MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.08ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 122.8MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 172.0MB. Free memory was 122.8MB in the beginning and 120.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.29ms. Allocated memory is still 172.0MB. Free memory was 120.7MB in the beginning and 118.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.37ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 100.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2671.50ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 100.3MB in the beginning and 135.3MB in the end (delta: -35.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Witness Printer took 83.65ms. Allocated memory is still 207.6MB. Free memory was 135.3MB in the beginning and 132.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 174 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 594 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 594 mSDsluCounter, 1009 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 881 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 128 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 175]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L175] COND TRUE 1 [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___2)) [L211] tmp___1 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___1)) [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 175]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L175] COND TRUE 1 [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___2)) [L211] tmp___1 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___1)) [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:33:53,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a9f190-76b3-4306-8ccc-a29d1e92d9f4/bin/uautomizer-verify-uCwYo4JHxu/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)