./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:05:24,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:05:24,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:05:24,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:05:24,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:05:24,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:05:24,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:05:24,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:05:24,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:05:24,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:05:24,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:05:24,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:05:24,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:05:24,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:05:24,638 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:05:24,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:05:24,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:05:24,639 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:05:24,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:05:24,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:05:24,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:05:24,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:05:24,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:05:24,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:05:24,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:05:24,642 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:05:24,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:05:24,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:05:24,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:05:24,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:05:24,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:05:24,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:05:24,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:24,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:05:24,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:05:24,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:05:24,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:05:24,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:05:24,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:05:24,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:05:24,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:05:24,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:05:24,648 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810 [2024-11-08 19:05:24,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:05:24,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:05:24,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:05:24,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:05:24,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:05:24,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c Unable to find full path for "g++" [2024-11-08 19:05:26,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:05:27,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:05:27,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2024-11-08 19:05:27,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/data/89841c60d/a24cc9d4aaeb4613ba76762aff50c950/FLAGb39bd74ca [2024-11-08 19:05:27,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/data/89841c60d/a24cc9d4aaeb4613ba76762aff50c950 [2024-11-08 19:05:27,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:05:27,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:05:27,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:27,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:05:27,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:05:27,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:27" (1/1) ... [2024-11-08 19:05:27,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4e4e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:27, skipping insertion in model container [2024-11-08 19:05:27,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:27" (1/1) ... [2024-11-08 19:05:27,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:05:27,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c[5608,5621] [2024-11-08 19:05:28,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:28,016 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:05:28,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-08 19:05:28,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-08 19:05:28,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [315] [2024-11-08 19:05:28,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [351] [2024-11-08 19:05:28,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [360] [2024-11-08 19:05:28,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398] [2024-11-08 19:05:28,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764] [2024-11-08 19:05:28,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] [2024-11-08 19:05:28,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c[5608,5621] [2024-11-08 19:05:28,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:28,158 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:05:28,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28 WrapperNode [2024-11-08 19:05:28,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:28,160 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:28,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:05:28,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:05:28,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,211 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 174 [2024-11-08 19:05:28,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:28,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:05:28,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:05:28,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:05:28,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,248 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:05:28,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:05:28,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:05:28,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:05:28,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:05:28,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (1/1) ... [2024-11-08 19:05:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:28,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:05:28,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:05:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:05:28,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 19:05:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 19:05:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 19:05:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 19:05:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 19:05:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 19:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 19:05:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 19:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 19:05:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 19:05:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 19:05:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 19:05:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:05:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 19:05:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 19:05:28,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:05:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:05:28,448 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:05:28,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:05:28,814 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-08 19:05:28,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:05:28,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:05:28,831 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:05:28,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:28 BoogieIcfgContainer [2024-11-08 19:05:28,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:05:28,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:05:28,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:05:28,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:05:28,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:05:27" (1/3) ... [2024-11-08 19:05:28,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3c78fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:28, skipping insertion in model container [2024-11-08 19:05:28,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:28" (2/3) ... [2024-11-08 19:05:28,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3c78fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:28, skipping insertion in model container [2024-11-08 19:05:28,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:28" (3/3) ... [2024-11-08 19:05:28,844 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27.cil.c [2024-11-08 19:05:28,861 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:05:28,861 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:05:28,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:05:28,934 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24bde190, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:05:28,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:05:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 19:05:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:05:28,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:28,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:28,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:28,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:28,955 INFO L85 PathProgramCache]: Analyzing trace with hash 734381570, now seen corresponding path program 1 times [2024-11-08 19:05:28,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:28,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600266670] [2024-11-08 19:05:28,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:28,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 19:05:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:29,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:29,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600266670] [2024-11-08 19:05:29,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600266670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:29,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:29,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:29,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545760800] [2024-11-08 19:05:29,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:29,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:05:29,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:29,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:05:29,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:05:29,197 INFO L87 Difference]: Start difference. First operand has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:29,247 INFO L93 Difference]: Finished difference Result 156 states and 211 transitions. [2024-11-08 19:05:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:05:29,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-08 19:05:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:29,297 INFO L225 Difference]: With dead ends: 156 [2024-11-08 19:05:29,297 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 19:05:29,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:05:29,308 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:29,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 19:05:29,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-08 19:05:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.309090909090909) internal successors, (72), 61 states have internal predecessors, (72), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 19:05:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-08 19:05:29,389 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25 [2024-11-08 19:05:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:29,391 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-08 19:05:29,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-08 19:05:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:05:29,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:29,394 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:29,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:05:29,396 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:29,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:29,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1683197072, now seen corresponding path program 1 times [2024-11-08 19:05:29,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:29,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862123842] [2024-11-08 19:05:29,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:29,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 19:05:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:29,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:29,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862123842] [2024-11-08 19:05:29,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862123842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:29,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:29,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:05:29,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185120164] [2024-11-08 19:05:29,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:29,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:29,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:29,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:29,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:29,621 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:29,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:29,647 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2024-11-08 19:05:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:29,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-08 19:05:29,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:29,652 INFO L225 Difference]: With dead ends: 108 [2024-11-08 19:05:29,652 INFO L226 Difference]: Without dead ends: 64 [2024-11-08 19:05:29,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:29,654 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:29,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:29,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-08 19:05:29,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-08 19:05:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 55 states have internal predecessors, (65), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 19:05:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2024-11-08 19:05:29,672 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26 [2024-11-08 19:05:29,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:29,672 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2024-11-08 19:05:29,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-08 19:05:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:05:29,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:29,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:29,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:05:29,674 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:29,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:29,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1930114722, now seen corresponding path program 1 times [2024-11-08 19:05:29,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:29,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844488991] [2024-11-08 19:05:29,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:29,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 19:05:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:29,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:29,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844488991] [2024-11-08 19:05:29,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844488991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:29,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:29,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:05:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802422919] [2024-11-08 19:05:29,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:29,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:05:29,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:05:29,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:05:29,963 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:30,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:30,216 INFO L93 Difference]: Finished difference Result 221 states and 287 transitions. [2024-11-08 19:05:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:05:30,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-08 19:05:30,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:30,219 INFO L225 Difference]: With dead ends: 221 [2024-11-08 19:05:30,220 INFO L226 Difference]: Without dead ends: 164 [2024-11-08 19:05:30,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:05:30,222 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 135 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:30,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 409 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:05:30,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-08 19:05:30,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2024-11-08 19:05:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 119 states have (on average 1.361344537815126) internal successors, (162), 133 states have internal predecessors, (162), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-08 19:05:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 205 transitions. [2024-11-08 19:05:30,279 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 205 transitions. Word has length 30 [2024-11-08 19:05:30,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:30,280 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 205 transitions. [2024-11-08 19:05:30,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions. [2024-11-08 19:05:30,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:05:30,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:30,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:30,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:05:30,286 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:30,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:30,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2060992543, now seen corresponding path program 1 times [2024-11-08 19:05:30,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:30,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080244337] [2024-11-08 19:05:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:30,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 19:05:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:30,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 19:05:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:30,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:30,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080244337] [2024-11-08 19:05:30,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080244337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:30,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:30,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:05:30,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352197307] [2024-11-08 19:05:30,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:30,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:05:30,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:30,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:05:30,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:30,515 INFO L87 Difference]: Start difference. First operand 158 states and 205 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 19:05:30,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:30,612 INFO L93 Difference]: Finished difference Result 443 states and 596 transitions. [2024-11-08 19:05:30,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:05:30,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-08 19:05:30,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:30,622 INFO L225 Difference]: With dead ends: 443 [2024-11-08 19:05:30,622 INFO L226 Difference]: Without dead ends: 292 [2024-11-08 19:05:30,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:05:30,629 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 45 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:30,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 290 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-08 19:05:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-11-08 19:05:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 218 states have (on average 1.3394495412844036) internal successors, (292), 242 states have internal predecessors, (292), 42 states have call successors, (42), 34 states have call predecessors, (42), 31 states have return successors, (48), 27 states have call predecessors, (48), 42 states have call successors, (48) [2024-11-08 19:05:30,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 382 transitions. [2024-11-08 19:05:30,701 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 382 transitions. Word has length 35 [2024-11-08 19:05:30,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:30,702 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 382 transitions. [2024-11-08 19:05:30,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 19:05:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 382 transitions. [2024-11-08 19:05:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 19:05:30,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:30,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:30,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:05:30,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:30,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:30,709 INFO L85 PathProgramCache]: Analyzing trace with hash 86836124, now seen corresponding path program 1 times [2024-11-08 19:05:30,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:30,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158784724] [2024-11-08 19:05:30,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:30,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:30,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:05:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:30,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 19:05:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:30,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:30,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158784724] [2024-11-08 19:05:30,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158784724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:30,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:30,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:05:30,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526528989] [2024-11-08 19:05:30,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:30,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:30,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:30,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:30,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:30,805 INFO L87 Difference]: Start difference. First operand 292 states and 382 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 19:05:30,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:30,845 INFO L93 Difference]: Finished difference Result 516 states and 684 transitions. [2024-11-08 19:05:30,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:30,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2024-11-08 19:05:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:30,852 INFO L225 Difference]: With dead ends: 516 [2024-11-08 19:05:30,852 INFO L226 Difference]: Without dead ends: 231 [2024-11-08 19:05:30,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:30,855 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:30,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:30,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-08 19:05:30,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 227. [2024-11-08 19:05:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 173 states have (on average 1.2716763005780347) internal successors, (220), 183 states have internal predecessors, (220), 28 states have call successors, (28), 28 states have call predecessors, (28), 25 states have return successors, (30), 25 states have call predecessors, (30), 28 states have call successors, (30) [2024-11-08 19:05:30,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2024-11-08 19:05:30,931 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 37 [2024-11-08 19:05:30,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:30,931 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2024-11-08 19:05:30,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 19:05:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2024-11-08 19:05:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 19:05:30,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:30,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:30,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:05:30,938 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:05:30,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash 424482491, now seen corresponding path program 1 times [2024-11-08 19:05:30,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:30,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904532818] [2024-11-08 19:05:30,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:30,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:31,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:05:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:31,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:05:31,052 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:05:31,053 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:05:31,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:05:31,059 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 19:05:31,102 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:05:31,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:05:31 BoogieIcfgContainer [2024-11-08 19:05:31,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:05:31,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:05:31,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:05:31,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:05:31,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:28" (3/4) ... [2024-11-08 19:05:31,108 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:05:31,175 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:05:31,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:05:31,176 INFO L158 Benchmark]: Toolchain (without parser) took 3601.73ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 136.9MB in the beginning and 184.5MB in the end (delta: -47.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,176 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 172.0MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:31,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.24ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 115.3MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.99ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,177 INFO L158 Benchmark]: Boogie Preprocessor took 52.07ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,177 INFO L158 Benchmark]: RCFGBuilder took 566.80ms. Allocated memory is still 172.0MB. Free memory was 111.1MB in the beginning and 93.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,178 INFO L158 Benchmark]: TraceAbstraction took 2271.42ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 93.5MB in the beginning and 188.7MB in the end (delta: -95.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:31,178 INFO L158 Benchmark]: Witness Printer took 68.80ms. Allocated memory is still 237.0MB. Free memory was 188.7MB in the beginning and 184.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:05:31,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 172.0MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.24ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 115.3MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.99ms. Allocated memory is still 172.0MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.07ms. Allocated memory is still 172.0MB. Free memory was 113.2MB in the beginning and 111.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.80ms. Allocated memory is still 172.0MB. Free memory was 111.1MB in the beginning and 93.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2271.42ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 93.5MB in the beginning and 188.7MB in the end (delta: -95.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.80ms. Allocated memory is still 237.0MB. Free memory was 188.7MB in the beginning and 184.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [315] - GenericResultAtLocation [Line: 351]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [351] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [360] - GenericResultAtLocation [Line: 398]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398] - GenericResultAtLocation [Line: 764]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764] - GenericResultAtLocation [Line: 853]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 356]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L928] int tmp ; [L932] FCALL select_helpers() [L933] FCALL select_features() [L934] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L934] RET, EXPR valid_product() [L934] tmp = valid_product() [L936] COND TRUE \read(tmp) [L938] FCALL setup() [L939] CALL runTest() [L921] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] COND TRUE waterLevel < 2 [L784] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L325] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L325] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L836] int retValue_acc ; [L839] retValue_acc = waterLevel [L840] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L331] RET, EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND TRUE tmp___0 == 2 [L335] CALL, EXPR isPumpRunning() [L237] int retValue_acc ; [L240] retValue_acc = pumpRunning [L241] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L335] RET, EXPR isPumpRunning() [L335] tmp___1 = isPumpRunning() [L337] COND FALSE !(\read(tmp___1)) [L341] CALL __automaton_fail() [L356] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 996 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 586 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 410 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:05:31,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cdd6b64-be96-48cf-b036-e5ac61be0c49/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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