./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme --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 b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:16,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:16,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:02:16,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:16,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:16,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:16,261 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:16,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:16,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:02:16,263 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:02:16,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:02:16,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:02:16,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:16,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:16,266 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:16,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:16,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:02:16,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:16,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:16,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:16,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:16,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:02:16,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:02:16,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:02:16,281 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:16,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:16,282 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:16,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:16,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:16,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:02:16,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:02:16,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:16,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:16,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:02:16,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:02:16,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:16,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:02:16,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:02:16,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:02:16,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:02:16,286 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:02:16,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:02:16,287 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_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a [2023-11-26 12:02:16,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:16,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:16,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:16,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:16,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:16,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2023-11-26 12:02:19,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:02:20,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:02:20,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2023-11-26 12:02:20,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/data/d899b1d3a/e4ac4fe6575d4f9fa8870f014e1ed4e1/FLAG9e2099a4c [2023-11-26 12:02:20,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/data/d899b1d3a/e4ac4fe6575d4f9fa8870f014e1ed4e1 [2023-11-26 12:02:20,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:02:20,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:02:20,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:20,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:02:20,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:02:20,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd57c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20, skipping insertion in model container [2023-11-26 12:02:20,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:02:20,524 WARN L240 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_73fc616b-4ee9-4faf-90e6-fc77c5f46497/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-11-26 12:02:20,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:20,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:02:20,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-26 12:02:20,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] [2023-11-26 12:02:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] [2023-11-26 12:02:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] [2023-11-26 12:02:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2023-11-26 12:02:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] [2023-11-26 12:02:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] [2023-11-26 12:02:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] [2023-11-26 12:02:20,705 WARN L240 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_73fc616b-4ee9-4faf-90e6-fc77c5f46497/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-11-26 12:02:20,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:20,778 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:02:20,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20 WrapperNode [2023-11-26 12:02:20,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:20,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:20,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:02:20,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:02:20,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,838 INFO L138 Inliner]: procedures = 60, calls = 109, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 246 [2023-11-26 12:02:20,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:20,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:02:20,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:02:20,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:02:20,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,871 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 12:02:20,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:02:20,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:02:20,890 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:02:20,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:02:20,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (1/1) ... [2023-11-26 12:02:20,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:20,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:20,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:02:20,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:02:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 12:02:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 12:02:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 12:02:20,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 12:02:20,993 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 12:02:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 12:02:20,994 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 12:02:20,994 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 12:02:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 12:02:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 12:02:20,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-26 12:02:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-26 12:02:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-26 12:02:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-26 12:02:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-26 12:02:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-26 12:02:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-26 12:02:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-26 12:02:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:02:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 12:02:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 12:02:21,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:02:21,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:02:21,124 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:02:21,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:02:21,551 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:02:21,666 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:02:21,671 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 12:02:21,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:21 BoogieIcfgContainer [2023-11-26 12:02:21,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:02:21,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:02:21,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:02:21,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:02:21,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:02:20" (1/3) ... [2023-11-26 12:02:21,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dc4c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:21, skipping insertion in model container [2023-11-26 12:02:21,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:20" (2/3) ... [2023-11-26 12:02:21,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dc4c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:21, skipping insertion in model container [2023-11-26 12:02:21,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:21" (3/3) ... [2023-11-26 12:02:21,684 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2023-11-26 12:02:21,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:02:21,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:02:21,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:02:21,765 INFO L357 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, mHoare=true, 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;@136e704c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:02:21,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:02:21,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 12:02:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 12:02:21,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:21,786 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:21,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:21,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:21,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1768623423, now seen corresponding path program 1 times [2023-11-26 12:02:21,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:21,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330842938] [2023-11-26 12:02:21,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:22,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:22,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330842938] [2023-11-26 12:02:22,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330842938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:22,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:22,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:22,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702808474] [2023-11-26 12:02:22,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:22,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:02:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:22,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:02:22,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:02:22,167 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:02:22,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:22,295 INFO L93 Difference]: Finished difference Result 184 states and 263 transitions. [2023-11-26 12:02:22,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:02:22,298 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-26 12:02:22,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:22,310 INFO L225 Difference]: With dead ends: 184 [2023-11-26 12:02:22,311 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 12:02:22,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:02:22,323 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:22,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:02:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 12:02:22,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-26 12:02:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 69 states have internal predecessors, (83), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:02:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2023-11-26 12:02:22,381 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 22 [2023-11-26 12:02:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:22,382 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2023-11-26 12:02:22,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:02:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-11-26 12:02:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-26 12:02:22,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:22,386 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:22,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:02:22,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:22,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:22,387 INFO L85 PathProgramCache]: Analyzing trace with hash 541963458, now seen corresponding path program 1 times [2023-11-26 12:02:22,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:22,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831978911] [2023-11-26 12:02:22,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:22,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 12:02:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:22,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:22,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831978911] [2023-11-26 12:02:22,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831978911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:22,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:22,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:02:22,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683892479] [2023-11-26 12:02:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:22,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:22,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:22,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:22,576 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:02:22,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:22,662 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-11-26 12:02:22,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:22,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-26 12:02:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:22,664 INFO L225 Difference]: With dead ends: 146 [2023-11-26 12:02:22,664 INFO L226 Difference]: Without dead ends: 80 [2023-11-26 12:02:22,665 INFO L412 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 [2023-11-26 12:02:22,667 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:22,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:02:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-26 12:02:22,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-26 12:02:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 64 states have internal predecessors, (77), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 12:02:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2023-11-26 12:02:22,681 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 23 [2023-11-26 12:02:22,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:22,681 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2023-11-26 12:02:22,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:02:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-11-26 12:02:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 12:02:22,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:22,683 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:22,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:02:22,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:22,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1027451880, now seen corresponding path program 1 times [2023-11-26 12:02:22,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:22,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724674405] [2023-11-26 12:02:22,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:02:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 12:02:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:22,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:22,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724674405] [2023-11-26 12:02:22,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724674405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:22,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:22,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:02:22,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271645447] [2023-11-26 12:02:22,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:22,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:22,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:22,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:22,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:22,777 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:02:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:22,881 INFO L93 Difference]: Finished difference Result 236 states and 324 transitions. [2023-11-26 12:02:22,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:02:22,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-26 12:02:22,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:22,886 INFO L225 Difference]: With dead ends: 236 [2023-11-26 12:02:22,887 INFO L226 Difference]: Without dead ends: 158 [2023-11-26 12:02:22,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:22,889 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 93 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:22,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 201 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:02:22,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-26 12:02:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2023-11-26 12:02:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 123 states have internal predecessors, (149), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-26 12:02:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2023-11-26 12:02:22,924 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2023-11-26 12:02:22,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:22,925 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2023-11-26 12:02:22,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:02:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2023-11-26 12:02:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-26 12:02:22,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:22,935 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2023-11-26 12:02:22,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:02:22,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:22,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:22,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1399715380, now seen corresponding path program 1 times [2023-11-26 12:02:22,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:22,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292633560] [2023-11-26 12:02:22,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:22,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 12:02:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 12:02:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:02:23,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:23,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292633560] [2023-11-26 12:02:23,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292633560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:23,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:23,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:02:23,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812000564] [2023-11-26 12:02:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:23,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:02:23,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:23,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:02:23,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:02:23,139 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:02:23,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:23,337 INFO L93 Difference]: Finished difference Result 406 states and 565 transitions. [2023-11-26 12:02:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:02:23,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-26 12:02:23,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:23,342 INFO L225 Difference]: With dead ends: 406 [2023-11-26 12:02:23,342 INFO L226 Difference]: Without dead ends: 253 [2023-11-26 12:02:23,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:02:23,346 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 58 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:23,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 404 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:02:23,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-11-26 12:02:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 248. [2023-11-26 12:02:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 171 states have (on average 1.3508771929824561) internal successors, (231), 190 states have internal predecessors, (231), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2023-11-26 12:02:23,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 327 transitions. [2023-11-26 12:02:23,384 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 327 transitions. Word has length 29 [2023-11-26 12:02:23,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:23,384 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 327 transitions. [2023-11-26 12:02:23,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:02:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 327 transitions. [2023-11-26 12:02:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-26 12:02:23,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:23,387 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:23,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:02:23,388 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:23,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:23,388 INFO L85 PathProgramCache]: Analyzing trace with hash -173196600, now seen corresponding path program 1 times [2023-11-26 12:02:23,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:23,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748867171] [2023-11-26 12:02:23,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:23,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:02:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:02:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 12:02:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:23,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:23,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748867171] [2023-11-26 12:02:23,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748867171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:23,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:23,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:23,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650161531] [2023-11-26 12:02:23,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:23,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:02:23,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:23,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:02:23,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:02:23,559 INFO L87 Difference]: Start difference. First operand 248 states and 327 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:02:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:23,817 INFO L93 Difference]: Finished difference Result 550 states and 747 transitions. [2023-11-26 12:02:23,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:02:23,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-11-26 12:02:23,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:23,823 INFO L225 Difference]: With dead ends: 550 [2023-11-26 12:02:23,823 INFO L226 Difference]: Without dead ends: 304 [2023-11-26 12:02:23,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:02:23,826 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 63 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:23,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 249 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:02:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-11-26 12:02:23,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2023-11-26 12:02:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 207 states have (on average 1.328502415458937) internal successors, (275), 226 states have internal predecessors, (275), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2023-11-26 12:02:23,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 389 transitions. [2023-11-26 12:02:23,870 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 389 transitions. Word has length 49 [2023-11-26 12:02:23,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:23,870 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 389 transitions. [2023-11-26 12:02:23,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:02:23,871 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2023-11-26 12:02:23,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-26 12:02:23,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:23,873 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:23,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:02:23,873 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:23,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:23,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1978634934, now seen corresponding path program 1 times [2023-11-26 12:02:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:23,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395935014] [2023-11-26 12:02:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:02:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:02:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 12:02:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:23,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:23,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395935014] [2023-11-26 12:02:23,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395935014] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:23,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:23,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:23,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560942721] [2023-11-26 12:02:23,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:24,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:02:24,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:24,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:02:24,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:02:24,001 INFO L87 Difference]: Start difference. First operand 298 states and 389 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:02:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:24,203 INFO L93 Difference]: Finished difference Result 610 states and 821 transitions. [2023-11-26 12:02:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:02:24,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-11-26 12:02:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:24,207 INFO L225 Difference]: With dead ends: 610 [2023-11-26 12:02:24,207 INFO L226 Difference]: Without dead ends: 314 [2023-11-26 12:02:24,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:02:24,209 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 69 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:24,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 247 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:02:24,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-11-26 12:02:24,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2023-11-26 12:02:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 211 states have (on average 1.3222748815165877) internal successors, (279), 230 states have internal predecessors, (279), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2023-11-26 12:02:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 393 transitions. [2023-11-26 12:02:24,251 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 393 transitions. Word has length 49 [2023-11-26 12:02:24,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:24,251 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 393 transitions. [2023-11-26 12:02:24,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:02:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 393 transitions. [2023-11-26 12:02:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-26 12:02:24,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:24,255 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:24,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:02:24,256 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:24,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:24,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1838086324, now seen corresponding path program 1 times [2023-11-26 12:02:24,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:24,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361958897] [2023-11-26 12:02:24,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:24,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 12:02:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:02:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 12:02:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:24,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:24,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361958897] [2023-11-26 12:02:24,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361958897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:24,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:24,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:02:24,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638293354] [2023-11-26 12:02:24,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:24,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:02:24,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:24,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:02:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:02:24,455 INFO L87 Difference]: Start difference. First operand 302 states and 393 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-26 12:02:24,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:24,783 INFO L93 Difference]: Finished difference Result 860 states and 1163 transitions. [2023-11-26 12:02:24,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:02:24,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2023-11-26 12:02:24,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:24,789 INFO L225 Difference]: With dead ends: 860 [2023-11-26 12:02:24,789 INFO L226 Difference]: Without dead ends: 560 [2023-11-26 12:02:24,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:02:24,792 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 221 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:24,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 261 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:02:24,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2023-11-26 12:02:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2023-11-26 12:02:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 389 states have (on average 1.275064267352185) internal successors, (496), 417 states have internal predecessors, (496), 87 states have call successors, (87), 71 states have call predecessors, (87), 77 states have return successors, (139), 88 states have call predecessors, (139), 87 states have call successors, (139) [2023-11-26 12:02:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 722 transitions. [2023-11-26 12:02:24,853 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 722 transitions. Word has length 49 [2023-11-26 12:02:24,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:24,861 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 722 transitions. [2023-11-26 12:02:24,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-26 12:02:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 722 transitions. [2023-11-26 12:02:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-26 12:02:24,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:24,866 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:24,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:02:24,866 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:24,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash -444083930, now seen corresponding path program 1 times [2023-11-26 12:02:24,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:24,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696215607] [2023-11-26 12:02:24,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-26 12:02:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 12:02:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:02:25,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:25,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696215607] [2023-11-26 12:02:25,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696215607] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:25,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:25,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:02:25,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414227189] [2023-11-26 12:02:25,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:25,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:02:25,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:25,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:02:25,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:02:25,111 INFO L87 Difference]: Start difference. First operand 554 states and 722 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-26 12:02:25,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:25,905 INFO L93 Difference]: Finished difference Result 1707 states and 2322 transitions. [2023-11-26 12:02:25,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-26 12:02:25,906 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 53 [2023-11-26 12:02:25,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:25,915 INFO L225 Difference]: With dead ends: 1707 [2023-11-26 12:02:25,915 INFO L226 Difference]: Without dead ends: 1255 [2023-11-26 12:02:25,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-11-26 12:02:25,919 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 445 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:25,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 354 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:02:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-11-26 12:02:26,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1072. [2023-11-26 12:02:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 751 states have (on average 1.2743009320905458) internal successors, (957), 812 states have internal predecessors, (957), 170 states have call successors, (170), 126 states have call predecessors, (170), 150 states have return successors, (270), 172 states have call predecessors, (270), 170 states have call successors, (270) [2023-11-26 12:02:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1397 transitions. [2023-11-26 12:02:26,057 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1397 transitions. Word has length 53 [2023-11-26 12:02:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:26,057 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 1397 transitions. [2023-11-26 12:02:26,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-26 12:02:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1397 transitions. [2023-11-26 12:02:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 12:02:26,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:26,060 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:26,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:02:26,061 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:26,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash -937529434, now seen corresponding path program 1 times [2023-11-26 12:02:26,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:26,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235811507] [2023-11-26 12:02:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:26,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 12:02:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-26 12:02:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 12:02:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:02:26,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:26,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235811507] [2023-11-26 12:02:26,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235811507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:26,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:26,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:02:26,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281376482] [2023-11-26 12:02:26,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:26,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:02:26,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:26,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:02:26,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:02:26,171 INFO L87 Difference]: Start difference. First operand 1072 states and 1397 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-26 12:02:26,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:26,627 INFO L93 Difference]: Finished difference Result 1272 states and 1650 transitions. [2023-11-26 12:02:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:02:26,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 77 [2023-11-26 12:02:26,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:26,633 INFO L225 Difference]: With dead ends: 1272 [2023-11-26 12:02:26,633 INFO L226 Difference]: Without dead ends: 547 [2023-11-26 12:02:26,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:02:26,637 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 317 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:26,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 244 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:02:26,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-11-26 12:02:26,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 525. [2023-11-26 12:02:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 368 states have (on average 1.236413043478261) internal successors, (455), 396 states have internal predecessors, (455), 82 states have call successors, (82), 62 states have call predecessors, (82), 74 states have return successors, (132), 84 states have call predecessors, (132), 82 states have call successors, (132) [2023-11-26 12:02:26,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 669 transitions. [2023-11-26 12:02:26,704 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 669 transitions. Word has length 77 [2023-11-26 12:02:26,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:26,705 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 669 transitions. [2023-11-26 12:02:26,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-26 12:02:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 669 transitions. [2023-11-26 12:02:26,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-26 12:02:26,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:26,707 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:26,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:02:26,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:26,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:26,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1255693796, now seen corresponding path program 1 times [2023-11-26 12:02:26,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086342257] [2023-11-26 12:02:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:26,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:02:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 12:02:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-26 12:02:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-26 12:02:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 12:02:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 12:02:27,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086342257] [2023-11-26 12:02:27,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086342257] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:02:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301947332] [2023-11-26 12:02:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:27,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:02:27,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:27,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:02:27,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:02:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:27,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:02:27,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:27,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:02:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-26 12:02:27,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301947332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:02:27,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:02:27,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-26 12:02:27,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011164626] [2023-11-26 12:02:27,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:02:27,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-26 12:02:27,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:27,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-26 12:02:27,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-26 12:02:27,635 INFO L87 Difference]: Start difference. First operand 525 states and 669 transitions. Second operand has 15 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-26 12:02:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:29,115 INFO L93 Difference]: Finished difference Result 1126 states and 1466 transitions. [2023-11-26 12:02:29,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-26 12:02:29,116 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) Word has length 97 [2023-11-26 12:02:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:29,121 INFO L225 Difference]: With dead ends: 1126 [2023-11-26 12:02:29,122 INFO L226 Difference]: Without dead ends: 650 [2023-11-26 12:02:29,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-11-26 12:02:29,126 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 359 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:29,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 771 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 12:02:29,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-26 12:02:29,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 583. [2023-11-26 12:02:29,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 405 states have (on average 1.2098765432098766) internal successors, (490), 441 states have internal predecessors, (490), 92 states have call successors, (92), 76 states have call predecessors, (92), 85 states have return successors, (124), 89 states have call predecessors, (124), 92 states have call successors, (124) [2023-11-26 12:02:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 706 transitions. [2023-11-26 12:02:29,202 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 706 transitions. Word has length 97 [2023-11-26 12:02:29,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:29,202 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 706 transitions. [2023-11-26 12:02:29,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-26 12:02:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 706 transitions. [2023-11-26 12:02:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-26 12:02:29,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:29,207 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-26 12:02:29,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:29,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:02:29,414 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:29,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:29,415 INFO L85 PathProgramCache]: Analyzing trace with hash 329819068, now seen corresponding path program 1 times [2023-11-26 12:02:29,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158317979] [2023-11-26 12:02:29,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:02:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:02:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-26 12:02:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-26 12:02:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-26 12:02:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-26 12:02:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-26 12:02:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-26 12:02:29,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:29,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158317979] [2023-11-26 12:02:29,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158317979] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:02:29,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847903892] [2023-11-26 12:02:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:02:29,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:29,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:02:29,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:02:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 12:02:29,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-26 12:02:30,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:02:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 34 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-26 12:02:30,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847903892] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:02:30,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:02:30,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2023-11-26 12:02:30,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097212059] [2023-11-26 12:02:30,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:02:30,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-26 12:02:30,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:30,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-26 12:02:30,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2023-11-26 12:02:30,642 INFO L87 Difference]: Start difference. First operand 583 states and 706 transitions. Second operand has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-11-26 12:02:32,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:32,872 INFO L93 Difference]: Finished difference Result 1726 states and 2183 transitions. [2023-11-26 12:02:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-26 12:02:32,873 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 174 [2023-11-26 12:02:32,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:32,881 INFO L225 Difference]: With dead ends: 1726 [2023-11-26 12:02:32,881 INFO L226 Difference]: Without dead ends: 1145 [2023-11-26 12:02:32,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1133 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=855, Invalid=3701, Unknown=0, NotChecked=0, Total=4556 [2023-11-26 12:02:32,888 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 1396 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:32,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 601 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [723 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-26 12:02:32,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2023-11-26 12:02:32,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1071. [2023-11-26 12:02:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 756 states have (on average 1.1375661375661377) internal successors, (860), 806 states have internal predecessors, (860), 166 states have call successors, (166), 143 states have call predecessors, (166), 148 states have return successors, (208), 158 states have call predecessors, (208), 166 states have call successors, (208) [2023-11-26 12:02:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1234 transitions. [2023-11-26 12:02:33,006 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1234 transitions. Word has length 174 [2023-11-26 12:02:33,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:33,007 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1234 transitions. [2023-11-26 12:02:33,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-11-26 12:02:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1234 transitions. [2023-11-26 12:02:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-26 12:02:33,015 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:33,015 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-26 12:02:33,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:33,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 12:02:33,222 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:33,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:33,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2061927658, now seen corresponding path program 1 times [2023-11-26 12:02:33,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:33,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119157482] [2023-11-26 12:02:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:33,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:02:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:02:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:02:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-26 12:02:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 12:02:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:02:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-26 12:02:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-26 12:02:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-26 12:02:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-26 12:02:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 73 proven. 48 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-26 12:02:33,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:33,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119157482] [2023-11-26 12:02:33,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119157482] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:02:33,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776724184] [2023-11-26 12:02:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:33,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:02:33,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:33,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:02:33,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:02:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:33,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 12:02:33,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 166 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-26 12:02:34,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:02:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 87 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-26 12:02:34,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776724184] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:02:34,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:02:34,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2023-11-26 12:02:34,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921163133] [2023-11-26 12:02:34,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:02:34,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-26 12:02:34,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:34,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-26 12:02:34,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-11-26 12:02:34,808 INFO L87 Difference]: Start difference. First operand 1071 states and 1234 transitions. Second operand has 22 states, 19 states have (on average 10.789473684210526) internal successors, (205), 15 states have internal predecessors, (205), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) [2023-11-26 12:02:36,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:36,706 INFO L93 Difference]: Finished difference Result 2096 states and 2448 transitions. [2023-11-26 12:02:36,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-26 12:02:36,707 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 10.789473684210526) internal successors, (205), 15 states have internal predecessors, (205), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) Word has length 188 [2023-11-26 12:02:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:36,715 INFO L225 Difference]: With dead ends: 2096 [2023-11-26 12:02:36,715 INFO L226 Difference]: Without dead ends: 1121 [2023-11-26 12:02:36,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=483, Invalid=1869, Unknown=0, NotChecked=0, Total=2352 [2023-11-26 12:02:36,720 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 448 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:36,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 298 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-26 12:02:36,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2023-11-26 12:02:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1087. [2023-11-26 12:02:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 764 states have (on average 1.1295811518324608) internal successors, (863), 814 states have internal predecessors, (863), 166 states have call successors, (166), 151 states have call predecessors, (166), 156 states have return successors, (208), 158 states have call predecessors, (208), 166 states have call successors, (208) [2023-11-26 12:02:36,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1237 transitions. [2023-11-26 12:02:36,839 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1237 transitions. Word has length 188 [2023-11-26 12:02:36,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:36,839 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1237 transitions. [2023-11-26 12:02:36,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 10.789473684210526) internal successors, (205), 15 states have internal predecessors, (205), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) [2023-11-26 12:02:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1237 transitions. [2023-11-26 12:02:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-26 12:02:36,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:36,846 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-26 12:02:36,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:37,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 12:02:37,052 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:37,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:37,053 INFO L85 PathProgramCache]: Analyzing trace with hash -73825931, now seen corresponding path program 1 times [2023-11-26 12:02:37,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:37,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499951490] [2023-11-26 12:02:37,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:37,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:02:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:02:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:02:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 12:02:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 12:02:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:02:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-26 12:02:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-26 12:02:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-26 12:02:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-26 12:02:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-26 12:02:37,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:37,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499951490] [2023-11-26 12:02:37,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499951490] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:02:37,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470100290] [2023-11-26 12:02:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:37,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:02:37,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:37,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:02:37,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:02:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:37,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 12:02:37,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-26 12:02:37,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:02:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 89 proven. 38 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-26 12:02:38,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470100290] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:02:38,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:02:38,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 27 [2023-11-26 12:02:38,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264470782] [2023-11-26 12:02:38,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:02:38,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-26 12:02:38,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:38,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-26 12:02:38,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2023-11-26 12:02:38,585 INFO L87 Difference]: Start difference. First operand 1087 states and 1237 transitions. Second operand has 27 states, 26 states have (on average 8.423076923076923) internal successors, (219), 21 states have internal predecessors, (219), 14 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (57), 16 states have call predecessors, (57), 14 states have call successors, (57) [2023-11-26 12:02:42,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:42,618 INFO L93 Difference]: Finished difference Result 2423 states and 2804 transitions. [2023-11-26 12:02:42,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-11-26 12:02:42,619 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.423076923076923) internal successors, (219), 21 states have internal predecessors, (219), 14 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (57), 16 states have call predecessors, (57), 14 states have call successors, (57) Word has length 189 [2023-11-26 12:02:42,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:42,629 INFO L225 Difference]: With dead ends: 2423 [2023-11-26 12:02:42,630 INFO L226 Difference]: Without dead ends: 1436 [2023-11-26 12:02:42,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 428 SyntacticMatches, 7 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1357, Invalid=5123, Unknown=0, NotChecked=0, Total=6480 [2023-11-26 12:02:42,637 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2158 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 1078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 4013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1078 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:42,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 550 Invalid, 4013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1078 Valid, 2935 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-26 12:02:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2023-11-26 12:02:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1296. [2023-11-26 12:02:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 912 states have (on average 1.1228070175438596) internal successors, (1024), 959 states have internal predecessors, (1024), 202 states have call successors, (202), 185 states have call predecessors, (202), 181 states have return successors, (239), 185 states have call predecessors, (239), 202 states have call successors, (239) [2023-11-26 12:02:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1465 transitions. [2023-11-26 12:02:42,789 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1465 transitions. Word has length 189 [2023-11-26 12:02:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:42,790 INFO L495 AbstractCegarLoop]: Abstraction has 1296 states and 1465 transitions. [2023-11-26 12:02:42,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.423076923076923) internal successors, (219), 21 states have internal predecessors, (219), 14 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (57), 16 states have call predecessors, (57), 14 states have call successors, (57) [2023-11-26 12:02:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1465 transitions. [2023-11-26 12:02:42,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-26 12:02:42,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:02:42,797 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-26 12:02:42,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:02:43,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 12:02:43,005 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:02:43,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:43,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1491134613, now seen corresponding path program 1 times [2023-11-26 12:02:43,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:43,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731412637] [2023-11-26 12:02:43,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:43,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:02:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 12:02:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:02:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:02:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-26 12:02:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-26 12:02:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:02:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-26 12:02:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 12:02:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-26 12:02:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-26 12:02:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-26 12:02:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 12:02:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:02:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 12:02:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-26 12:02:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-26 12:02:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-26 12:02:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:02:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 12:02:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-26 12:02:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,637 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 111 proven. 74 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-26 12:02:43,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:43,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731412637] [2023-11-26 12:02:43,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731412637] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:02:43,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518898967] [2023-11-26 12:02:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:43,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:02:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:43,639 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:02:43,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:02:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:43,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-26 12:02:43,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:02:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 136 proven. 75 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-26 12:02:44,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:02:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 90 proven. 114 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-26 12:02:45,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518898967] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:02:45,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:02:45,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 15] total 25 [2023-11-26 12:02:45,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928745834] [2023-11-26 12:02:45,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:02:45,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-26 12:02:45,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:45,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-26 12:02:45,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2023-11-26 12:02:45,198 INFO L87 Difference]: Start difference. First operand 1296 states and 1465 transitions. Second operand has 25 states, 25 states have (on average 10.16) internal successors, (254), 21 states have internal predecessors, (254), 16 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 16 states have call predecessors, (66), 16 states have call successors, (66) [2023-11-26 12:02:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:02:47,258 INFO L93 Difference]: Finished difference Result 3171 states and 3636 transitions. [2023-11-26 12:02:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-26 12:02:47,259 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 21 states have internal predecessors, (254), 16 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 16 states have call predecessors, (66), 16 states have call successors, (66) Word has length 241 [2023-11-26 12:02:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:02:47,260 INFO L225 Difference]: With dead ends: 3171 [2023-11-26 12:02:47,260 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:02:47,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 535 SyntacticMatches, 13 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=621, Invalid=1829, Unknown=0, NotChecked=0, Total=2450 [2023-11-26 12:02:47,269 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 742 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:02:47,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 402 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-26 12:02:47,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:02:47,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:02:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-26 12:02:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:02:47,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2023-11-26 12:02:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:02:47,271 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:02:47,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 21 states have internal predecessors, (254), 16 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 16 states have call predecessors, (66), 16 states have call successors, (66) [2023-11-26 12:02:47,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:02:47,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:02:47,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:02:47,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-26 12:02:47,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-26 12:02:47,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:03:01,845 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 466 473) no Hoare annotation was computed. [2023-11-26 12:03:01,845 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 473) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-11-26 12:03:01,845 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2023-11-26 12:03:01,845 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2023-11-26 12:03:01,846 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 (< ~switchedOnBeforeTS~0 1) .cse4 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 (< 0 ~waterLevel~0) .cse4))) [2023-11-26 12:03:01,846 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2023-11-26 12:03:01,846 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2023-11-26 12:03:01,846 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 562) no Hoare annotation was computed. [2023-11-26 12:03:01,846 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 390 414) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (< ~switchedOnBeforeTS~0 1)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse6 .cse2 .cse9 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse2 (< 1 ~waterLevel~0) .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4))) [2023-11-26 12:03:01,847 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3))) [2023-11-26 12:03:01,847 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3))) [2023-11-26 12:03:01,847 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-11-26 12:03:01,847 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 390 414) no Hoare annotation was computed. [2023-11-26 12:03:01,847 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2023-11-26 12:03:01,852 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 485 493) no Hoare annotation was computed. [2023-11-26 12:03:01,853 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 485 493) the Hoare annotation is: true [2023-11-26 12:03:01,853 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or .cse0 .cse5 .cse1 .cse3 .cse4 (< ~switchedOnBeforeTS~0 1)) (or .cse0 .cse2 .cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (< |old(~methaneLevelCritical~0)| 1)))) [2023-11-26 12:03:01,853 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 610 621) no Hoare annotation was computed. [2023-11-26 12:03:01,854 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2023-11-26 12:03:01,854 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2023-11-26 12:03:01,854 INFO L899 garLoopResultBuilder]: For program point L247(lines 222 251) no Hoare annotation was computed. [2023-11-26 12:03:01,854 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-11-26 12:03:01,854 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2023-11-26 12:03:01,854 INFO L902 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2023-11-26 12:03:01,855 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 251) the Hoare annotation is: true [2023-11-26 12:03:01,855 INFO L902 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2023-11-26 12:03:01,855 INFO L902 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2023-11-26 12:03:01,856 INFO L899 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2023-11-26 12:03:01,856 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-26 12:03:01,856 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 432) no Hoare annotation was computed. [2023-11-26 12:03:01,856 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 437) no Hoare annotation was computed. [2023-11-26 12:03:01,858 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse20 (= ~waterLevel~0 1)) (.cse14 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse15 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse26 (= ~methaneLevelCritical~0 0)) (.cse24 (= 1 ~systemActive~0)) (.cse25 (<= ~waterLevel~0 0)) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1))) (let ((.cse3 (and .cse10 (<= ~waterLevel~0 1) .cse11 .cse21)) (.cse7 (< 0 |old(~waterLevel~0)|)) (.cse18 (and .cse10 .cse25 .cse11 .cse16 .cse21)) (.cse19 (and (<= 1 ~pumpRunning~0) .cse13 .cse26 .cse24 .cse25 .cse11 .cse16 .cse21)) (.cse2 (not .cse26)) (.cse5 (and .cse10 .cse24 .cse25 .cse11 .cse16 .cse21)) (.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse17 (and .cse10 .cse14 .cse15 .cse16)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse22 (and .cse10 .cse15 .cse20 .cse16)) (.cse1 (not .cse24)) (.cse23 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse8 .cse4 .cse9) (or .cse0 (and .cse10 .cse11) .cse12) (or (< 1 |old(~waterLevel~0)|) (and .cse13 .cse14 .cse15 .cse16) .cse6 .cse1 .cse2 .cse8 .cse17 .cse18 .cse19) (or .cse0 .cse1 .cse3 .cse4 .cse9) (or .cse6 .cse1 .cse7 .cse2 .cse8 .cse18 .cse19) (or (and .cse13 .cse20 .cse16 .cse21) .cse22 .cse1 .cse2 .cse23 .cse8) (or .cse5 .cse6 .cse1 .cse8 .cse4 .cse17 .cse9) (or .cse0 .cse23 .cse12) (or .cse22 .cse1 .cse23 .cse8 .cse9)))) [2023-11-26 12:03:01,858 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-26 12:03:01,858 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-11-26 12:03:01,859 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2023-11-26 12:03:01,859 INFO L899 garLoopResultBuilder]: For program point L590-2(lines 586 597) no Hoare annotation was computed. [2023-11-26 12:03:01,859 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2023-11-26 12:03:01,860 INFO L895 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse13 (= |timeShift_processEnvironment_~tmp~5#1| 0)) (.cse11 (= 1 ~systemActive~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse5 (and .cse12 .cse15 .cse13 .cse11 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse14)) (.cse4 (< 0 |old(~waterLevel~0)|)) (.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not .cse15)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse8 (and .cse12 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse13 .cse14)) (.cse1 (not .cse11)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse5 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse7) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse1 .cse5 .cse2 .cse6 .cse8) (or .cse1 .cse7 .cse6 .cse9) (or .cse0 .cse1 .cse4 .cse2) (or .cse3 .cse1 .cse6 .cse10 .cse9) (or .cse1 .cse2 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 (not (= 0 ~systemActive~0)))))) [2023-11-26 12:03:01,860 INFO L895 garLoopResultBuilder]: At program point L426(line 426) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= 1 ~systemActive~0)) (.cse12 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse9 (and (<= 1 ~pumpRunning~0) .cse11 (<= 1 ~methaneLevelCritical~0) .cse14 .cse12 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse13)) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse6 (< 0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse2 (not .cse14)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse1 .cse2 .cse6 .cse4 .cse7 .cse8 .cse9) (or .cse5 .cse2 .cse3 .cse10) (or .cse1 .cse2 (and .cse11 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12 .cse13) .cse4 .cse7 .cse8 .cse9) (or .cse2 .cse3 .cse10 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3) (or .cse2 .cse10 .cse4 (and .cse11 .cse12 (= ~waterLevel~0 1) .cse13) .cse8) (or .cse5 .cse2 .cse7 .cse8) (or .cse5 (not (= 0 ~systemActive~0)))))) [2023-11-26 12:03:01,861 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 329 355) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and .cse9 .cse11 .cse15)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse14 (and .cse16 .cse11 .cse15)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (and .cse16 .cse10 .cse11)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (not .cse12)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse6 .cse8 (and .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse2 .cse3 .cse7 .cse14 .cse4) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse13 .cse2 .cse7 .cse14 .cse4 .cse8) (or .cse2 .cse5 .cse6 .cse7 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse1 .cse2 (and .cse9 .cse11 .cse12 .cse15) .cse8)))) [2023-11-26 12:03:01,861 INFO L895 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= 1 ~systemActive~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (and .cse11 .cse13 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse12)) (.cse5 (< 0 |old(~waterLevel~0)|)) (.cse1 (not .cse13)) (.cse10 (and .cse11 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse9) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse1 .cse4 .cse10 .cse2 .cse6) (or .cse1 (and .cse11 (= ~waterLevel~0 1) .cse12) .cse9 .cse6 .cse8) (or .cse0 .cse1 .cse5 .cse2) (or .cse3 .cse1 .cse4 .cse10 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse7 .cse8) (or .cse3 .cse1 .cse4 .cse5 .cse2 .cse6) (or .cse1 .cse10 .cse2 .cse9 .cse6) (or .cse0 (not (= 0 ~systemActive~0)))))) [2023-11-26 12:03:01,861 INFO L899 garLoopResultBuilder]: For program point L422-1(line 422) no Hoare annotation was computed. [2023-11-26 12:03:01,862 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and .cse9 .cse11 .cse15)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse14 (and .cse16 .cse11 .cse15)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (and .cse16 .cse10 .cse11)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (not .cse12)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse6 .cse8 (and .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse2 .cse3 .cse7 .cse14 .cse4) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse13 .cse2 .cse7 .cse14 .cse4 .cse8) (or .cse2 .cse5 .cse6 .cse7 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse1 .cse2 (and .cse9 .cse11 .cse12 .cse15) .cse8)))) [2023-11-26 12:03:01,862 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-26 12:03:01,862 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-26 12:03:01,863 INFO L895 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse8 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse11 (< 0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse0 .cse2 .cse3 (and .cse7 (= ~waterLevel~0 1))) (or .cse6 .cse8 .cse2 .cse9 .cse10) (or .cse1 .cse2 .cse11 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse10) (or .cse6 .cse2 (and .cse7 (= 2 ~waterLevel~0)) .cse3 .cse5) (or .cse1 .cse2 .cse4 .cse9 .cse10) (or .cse6 .cse8 .cse2 .cse11 .cse3) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-26 12:03:01,863 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 416 440) no Hoare annotation was computed. [2023-11-26 12:03:01,863 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2023-11-26 12:03:01,863 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-26 12:03:01,864 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-11-26 12:03:01,864 INFO L899 garLoopResultBuilder]: For program point L336-2(lines 332 354) no Hoare annotation was computed. [2023-11-26 12:03:01,864 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 329 355) no Hoare annotation was computed. [2023-11-26 12:03:01,864 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2023-11-26 12:03:01,864 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2023-11-26 12:03:01,864 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2023-11-26 12:03:01,865 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2023-11-26 12:03:01,865 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2023-11-26 12:03:01,865 INFO L895 garLoopResultBuilder]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse8) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse8) (and .cse5 .cse2 .cse7 .cse3 .cse4))) [2023-11-26 12:03:01,867 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse2 .cse3 .cse4 .cse7) (and .cse5 .cse8 .cse1 .cse3 .cse4) (and .cse5 .cse8 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse9))) [2023-11-26 12:03:01,868 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2023-11-26 12:03:01,868 INFO L899 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2023-11-26 12:03:01,868 INFO L899 garLoopResultBuilder]: For program point L165(lines 164 211) no Hoare annotation was computed. [2023-11-26 12:03:01,868 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-11-26 12:03:01,868 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:03:01,868 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-11-26 12:03:01,869 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2)) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse7) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse7))) [2023-11-26 12:03:01,869 INFO L899 garLoopResultBuilder]: For program point L215(lines 154 219) no Hoare annotation was computed. [2023-11-26 12:03:01,869 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2023-11-26 12:03:01,869 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2023-11-26 12:03:01,869 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:03:01,870 INFO L895 garLoopResultBuilder]: At program point L212(lines 163 213) the Hoare annotation is: false [2023-11-26 12:03:01,870 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 206) no Hoare annotation was computed. [2023-11-26 12:03:01,870 INFO L895 garLoopResultBuilder]: At program point L200-2(lines 194 207) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse8) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse8))) [2023-11-26 12:03:01,870 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 673) no Hoare annotation was computed. [2023-11-26 12:03:01,870 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2023-11-26 12:03:01,871 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse5)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (and (= ~pumpRunning~0 0) .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse4) (or (< 2 ~waterLevel~0) .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1))))) [2023-11-26 12:03:01,871 INFO L899 garLoopResultBuilder]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2023-11-26 12:03:01,871 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2023-11-26 12:03:01,872 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2023-11-26 12:03:01,872 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 388) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (< ~switchedOnBeforeTS~0 1)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse6 .cse2 .cse9 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse2 (< 1 ~waterLevel~0) .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4))) [2023-11-26 12:03:01,873 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 663 676) no Hoare annotation was computed. [2023-11-26 12:03:01,873 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< ~switchedOnBeforeTS~0 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse5 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 (< 0 ~waterLevel~0) .cse2 .cse3 .cse4) (or .cse5 .cse1 (< 1 ~waterLevel~0) .cse3) (or .cse5 .cse1 (not (= 2 ~waterLevel~0)) .cse3))) [2023-11-26 12:03:01,873 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2023-11-26 12:03:01,873 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2023-11-26 12:03:01,873 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 462) no Hoare annotation was computed. [2023-11-26 12:03:01,875 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not .cse3) .cse4) (or (< 2 ~waterLevel~0) .cse0 .cse2 (and .cse1 .cse3) (< ~methaneLevelCritical~0 1)) (or .cse2 .cse5 (< ~switchedOnBeforeTS~0 1) .cse4 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse2 .cse5 .cse4))) [2023-11-26 12:03:01,875 INFO L899 garLoopResultBuilder]: For program point L456-2(lines 449 465) no Hoare annotation was computed. [2023-11-26 12:03:01,875 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-11-26 12:03:01,876 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 598 609) no Hoare annotation was computed. [2023-11-26 12:03:01,876 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 609) the Hoare annotation is: (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (< ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3 .cse4) (or .cse5 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse2 .cse3 .cse8) (or .cse5 .cse2 (< 0 |old(~waterLevel~0)|) .cse4 .cse6) (or .cse5 .cse7 .cse2 .cse3 .cse8) (or .cse5 .cse7 .cse2 .cse8 .cse6))) [2023-11-26 12:03:01,876 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 598 609) no Hoare annotation was computed. [2023-11-26 12:03:01,876 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 474 484) no Hoare annotation was computed. [2023-11-26 12:03:01,876 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 484) the Hoare annotation is: true [2023-11-26 12:03:01,879 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:01,881 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:03:01,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:03:01 BoogieIcfgContainer [2023-11-26 12:03:01,900 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:03:01,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:03:01,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:03:01,901 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:03:01,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:21" (3/4) ... [2023-11-26 12:03:01,903 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:03:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-26 12:03:01,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 12:03:01,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 12:03:01,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 12:03:01,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 12:03:01,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 12:03:01,909 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 12:03:01,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-26 12:03:01,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-26 12:03:01,910 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-26 12:03:01,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-26 12:03:01,927 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 12:03:01,928 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 12:03:01,928 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:03:01,929 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:03:02,093 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:03:02,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:03:02,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:03:02,095 INFO L158 Benchmark]: Toolchain (without parser) took 41918.95ms. Allocated memory was 138.4MB in the beginning and 434.1MB in the end (delta: 295.7MB). Free memory was 93.9MB in the beginning and 353.3MB in the end (delta: -259.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,095 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:02,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.51ms. Allocated memory is still 138.4MB. Free memory was 93.9MB in the beginning and 73.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.82ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,097 INFO L158 Benchmark]: Boogie Preprocessor took 50.19ms. Allocated memory is still 138.4MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,098 INFO L158 Benchmark]: RCFGBuilder took 782.14ms. Allocated memory is still 138.4MB. Free memory was 68.7MB in the beginning and 100.7MB in the end (delta: -32.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,099 INFO L158 Benchmark]: TraceAbstraction took 40224.91ms. Allocated memory was 138.4MB in the beginning and 434.1MB in the end (delta: 295.7MB). Free memory was 100.0MB in the beginning and 361.7MB in the end (delta: -261.8MB). Peak memory consumption was 262.9MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,100 INFO L158 Benchmark]: Witness Printer took 194.27ms. Allocated memory is still 434.1MB. Free memory was 361.7MB in the beginning and 353.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:03:02,102 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 100.7MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.51ms. Allocated memory is still 138.4MB. Free memory was 93.9MB in the beginning and 73.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.82ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 71.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.19ms. Allocated memory is still 138.4MB. Free memory was 71.3MB in the beginning and 68.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.14ms. Allocated memory is still 138.4MB. Free memory was 68.7MB in the beginning and 100.7MB in the end (delta: -32.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 40224.91ms. Allocated memory was 138.4MB in the beginning and 434.1MB in the end (delta: 295.7MB). Free memory was 100.0MB in the beginning and 361.7MB in the end (delta: -261.8MB). Peak memory consumption was 262.9MB. Max. memory is 16.1GB. * Witness Printer took 194.27ms. Allocated memory is still 434.1MB. Free memory was 361.7MB in the beginning and 353.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] - GenericResultAtLocation [Line: 148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] - GenericResultAtLocation [Line: 686]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] * 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 - PositiveResult [Line: 144]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.1s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6433 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6383 mSDsluCounter, 4864 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3671 mSDsCounter, 3027 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10825 IncrementalHoareTripleChecker+Invalid, 13852 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3027 mSolverCounterUnsat, 1193 mSDtfsCounter, 10825 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2476 GetRequests, 2107 SyntacticMatches, 29 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4457 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1296occurred in iteration=13, InterpolantAutomatonStates: 263, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 552 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 3317 PreInvPairs, 3680 NumberOfFragments, 3389 HoareAnnotationTreeSize, 3317 FomulaSimplifications, 43701 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 31 FomulaSimplificationsInter, 58703 FormulaSimplificationTreeSizeReductionInter, 11.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 2155 NumberOfCodeBlocks, 2155 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3020 ConstructedInterpolants, 0 QuantifiedInterpolants, 6737 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2859 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 2594/3124 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 12:03:02,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fc616b-4ee9-4faf-90e6-fc77c5f46497/bin/uautomizer-verify-VRDe98Ueme/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 Result: TRUE