./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx --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 73b8e020dd9d30fdd676c81009d4f1b850aa716d63ef29ce3d475a261546f853 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:13:43,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:13:43,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:13:43,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:13:43,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:13:43,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:13:43,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:13:43,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:13:43,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:13:43,917 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:13:43,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:13:43,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:13:43,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:13:43,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:13:43,922 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:13:43,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:13:43,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:13:43,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:13:43,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:13:43,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:13:43,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:13:43,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:13:43,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:13:43,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:13:43,927 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:13:43,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:13:43,928 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:13:43,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:13:43,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:13:43,930 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:13:43,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:13:43,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:43,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:13:43,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:13:43,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:13:43,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:13:43,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:13:43,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:13:43,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:13:43,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:13:43,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:13:43,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:13:43,935 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_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73b8e020dd9d30fdd676c81009d4f1b850aa716d63ef29ce3d475a261546f853 [2023-11-21 22:13:44,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:13:44,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:13:44,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:13:44,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:13:44,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:13:44,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-11-21 22:13:47,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:13:47,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:13:47,962 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-11-21 22:13:47,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/data/5fbc8ac9f/4d8e890241234d3598ac1b1f578c2644/FLAGe622c3b0d [2023-11-21 22:13:47,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/data/5fbc8ac9f/4d8e890241234d3598ac1b1f578c2644 [2023-11-21 22:13:47,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:13:48,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:13:48,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:48,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:13:48,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:13:48,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:47" (1/1) ... [2023-11-21 22:13:48,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600577dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48, skipping insertion in model container [2023-11-21 22:13:48,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:47" (1/1) ... [2023-11-21 22:13:48,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:13:48,548 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_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c[15211,15224] [2023-11-21 22:13:48,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:48,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:13:48,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-21 22:13:48,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2023-11-21 22:13:48,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2023-11-21 22:13:48,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [572] [2023-11-21 22:13:48,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [670] [2023-11-21 22:13:48,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [705] [2023-11-21 22:13:48,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [714] [2023-11-21 22:13:48,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [923] [2023-11-21 22:13:48,719 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_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c[15211,15224] [2023-11-21 22:13:48,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:48,754 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:13:48,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48 WrapperNode [2023-11-21 22:13:48,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:48,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:48,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:13:48,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:13:48,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,813 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 214 [2023-11-21 22:13:48,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:48,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:13:48,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:13:48,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:13:48,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,846 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,861 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:13:48,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:13:48,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:13:48,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:13:48,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:13:48,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (1/1) ... [2023-11-21 22:13:48,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:48,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:48,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:13:48,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:13:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:13:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-21 22:13:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-21 22:13:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-21 22:13:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-21 22:13:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-21 22:13:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-21 22:13:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-21 22:13:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-21 22:13:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:13:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:13:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-21 22:13:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-21 22:13:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-21 22:13:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-21 22:13:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:13:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-21 22:13:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-21 22:13:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:13:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:13:49,173 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:13:49,176 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:13:49,619 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:13:49,789 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:13:49,790 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:13:49,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:49 BoogieIcfgContainer [2023-11-21 22:13:49,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:13:49,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:13:49,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:13:49,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:13:49,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:13:47" (1/3) ... [2023-11-21 22:13:49,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe0b9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:49, skipping insertion in model container [2023-11-21 22:13:49,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:48" (2/3) ... [2023-11-21 22:13:49,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe0b9cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:49, skipping insertion in model container [2023-11-21 22:13:49,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:49" (3/3) ... [2023-11-21 22:13:49,804 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2023-11-21 22:13:49,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:13:49,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:13:49,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:13:49,906 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;@528eefb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:13:49,906 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:13:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.4) internal successors, (56), 48 states have internal predecessors, (56), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:13:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 22:13:49,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:49,926 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] [2023-11-21 22:13:49,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:49,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash 841970477, now seen corresponding path program 1 times [2023-11-21 22:13:49,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:49,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643133382] [2023-11-21 22:13:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:49,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:13:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:13:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:50,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:50,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643133382] [2023-11-21 22:13:50,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643133382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:50,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:50,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:50,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462679390] [2023-11-21 22:13:50,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:50,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:13:50,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:50,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:13:50,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:13:50,219 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.4) internal successors, (56), 48 states have internal predecessors, (56), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:13:50,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:50,307 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions. [2023-11-21 22:13:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:13:50,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 21 [2023-11-21 22:13:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:50,321 INFO L225 Difference]: With dead ends: 126 [2023-11-21 22:13:50,321 INFO L226 Difference]: Without dead ends: 59 [2023-11-21 22:13:50,326 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 [2023-11-21 22:13:50,331 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:50,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:13:50,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-21 22:13:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-21 22:13:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 44 states have internal predecessors, (48), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 22:13:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2023-11-21 22:13:50,409 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 21 [2023-11-21 22:13:50,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:50,410 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2023-11-21 22:13:50,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-11-21 22:13:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-21 22:13:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 22:13:50,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:50,414 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] [2023-11-21 22:13:50,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:13:50,415 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:50,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash 532820126, now seen corresponding path program 1 times [2023-11-21 22:13:50,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:50,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279057968] [2023-11-21 22:13:50,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:50,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:13:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:13:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:50,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:50,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279057968] [2023-11-21 22:13:50,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279057968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:50,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:50,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:13:50,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520432416] [2023-11-21 22:13:50,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:50,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:50,548 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2023-11-21 22:13:50,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:50,630 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2023-11-21 22:13:50,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:50,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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 [2023-11-21 22:13:50,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:50,633 INFO L225 Difference]: With dead ends: 95 [2023-11-21 22:13:50,633 INFO L226 Difference]: Without dead ends: 51 [2023-11-21 22:13:50,635 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 [2023-11-21 22:13:50,636 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 7 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 91 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 [2023-11-21 22:13:50,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 91 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:13:50,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-21 22:13:50,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-21 22:13:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.3125) internal successors, (42), 39 states have internal predecessors, (42), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 22:13:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2023-11-21 22:13:50,658 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 22 [2023-11-21 22:13:50,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:50,658 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-11-21 22:13:50,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2023-11-21 22:13:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-21 22:13:50,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:13:50,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:50,667 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] [2023-11-21 22:13:50,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:13:50,671 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:50,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:50,673 INFO L85 PathProgramCache]: Analyzing trace with hash -195741929, now seen corresponding path program 1 times [2023-11-21 22:13:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:50,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308974345] [2023-11-21 22:13:50,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:50,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:13:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:13:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:50,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:50,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308974345] [2023-11-21 22:13:50,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308974345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:50,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:50,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:13:50,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400008780] [2023-11-21 22:13:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:50,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:13:50,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:50,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:13:50,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:13:50,937 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:51,535 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2023-11-21 22:13:51,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-21 22:13:51,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 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 24 [2023-11-21 22:13:51,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:51,540 INFO L225 Difference]: With dead ends: 194 [2023-11-21 22:13:51,540 INFO L226 Difference]: Without dead ends: 145 [2023-11-21 22:13:51,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-21 22:13:51,543 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 104 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:51,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 354 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:13:51,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-21 22:13:51,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2023-11-21 22:13:51,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 91 states have (on average 1.2417582417582418) internal successors, (113), 102 states have internal predecessors, (113), 26 states have call successors, (26), 22 states have call predecessors, (26), 23 states have return successors, (38), 25 states have call predecessors, (38), 26 states have call successors, (38) [2023-11-21 22:13:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 177 transitions. [2023-11-21 22:13:51,574 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 177 transitions. Word has length 24 [2023-11-21 22:13:51,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:51,574 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 177 transitions. [2023-11-21 22:13:51,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:13:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2023-11-21 22:13:51,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 22:13:51,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:51,577 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] [2023-11-21 22:13:51,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:13:51,578 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:51,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:51,579 INFO L85 PathProgramCache]: Analyzing trace with hash -426780873, now seen corresponding path program 1 times [2023-11-21 22:13:51,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:51,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320348303] [2023-11-21 22:13:51,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:51,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:13:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 22:13:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-21 22:13:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:52,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:52,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320348303] [2023-11-21 22:13:52,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320348303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:52,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:52,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:13:52,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359364041] [2023-11-21 22:13:52,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:52,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 22:13:52,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:52,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:13:52,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:13:52,137 INFO L87 Difference]: Start difference. First operand 141 states and 177 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-21 22:13:52,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:52,647 INFO L93 Difference]: Finished difference Result 457 states and 598 transitions. [2023-11-21 22:13:52,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:13:52,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2023-11-21 22:13:52,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:52,654 INFO L225 Difference]: With dead ends: 457 [2023-11-21 22:13:52,654 INFO L226 Difference]: Without dead ends: 318 [2023-11-21 22:13:52,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:13:52,659 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 159 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:52,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 243 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:13:52,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-11-21 22:13:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 270. [2023-11-21 22:13:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 176 states have (on average 1.2386363636363635) internal successors, (218), 195 states have internal predecessors, (218), 50 states have call successors, (50), 43 states have call predecessors, (50), 43 states have return successors, (77), 45 states have call predecessors, (77), 50 states have call successors, (77) [2023-11-21 22:13:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 345 transitions. [2023-11-21 22:13:52,716 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 345 transitions. Word has length 36 [2023-11-21 22:13:52,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:52,717 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 345 transitions. [2023-11-21 22:13:52,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-21 22:13:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-21 22:13:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 22:13:52,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:52,721 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] [2023-11-21 22:13:52,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:13:52,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:52,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:52,723 INFO L85 PathProgramCache]: Analyzing trace with hash -523997626, now seen corresponding path program 1 times [2023-11-21 22:13:52,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:52,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302195804] [2023-11-21 22:13:52,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:52,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:13:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:13:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 22:13:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:53,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-21 22:13:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:13:53,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:53,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302195804] [2023-11-21 22:13:53,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302195804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:53,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:53,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 22:13:53,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677455979] [2023-11-21 22:13:53,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:53,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:13:53,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:53,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:13:53,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:13:53,106 INFO L87 Difference]: Start difference. First operand 270 states and 345 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-21 22:13:53,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:53,862 INFO L93 Difference]: Finished difference Result 657 states and 866 transitions. [2023-11-21 22:13:53,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-21 22:13:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 4 states have call successors, (6), 4 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 39 [2023-11-21 22:13:53,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:53,875 INFO L225 Difference]: With dead ends: 657 [2023-11-21 22:13:53,875 INFO L226 Difference]: Without dead ends: 499 [2023-11-21 22:13:53,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2023-11-21 22:13:53,883 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 200 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:53,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 314 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:13:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-11-21 22:13:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 445. [2023-11-21 22:13:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 293 states have (on average 1.242320819112628) internal successors, (364), 325 states have internal predecessors, (364), 81 states have call successors, (81), 66 states have call predecessors, (81), 70 states have return successors, (129), 77 states have call predecessors, (129), 81 states have call successors, (129) [2023-11-21 22:13:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 574 transitions. [2023-11-21 22:13:53,988 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 574 transitions. Word has length 39 [2023-11-21 22:13:53,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:53,989 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 574 transitions. [2023-11-21 22:13:53,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-21 22:13:53,990 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 574 transitions. [2023-11-21 22:13:53,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 22:13:53,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:53,994 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] [2023-11-21 22:13:53,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:13:53,995 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:53,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:53,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2107567404, now seen corresponding path program 1 times [2023-11-21 22:13:53,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:53,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425300490] [2023-11-21 22:13:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:13:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:13:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 22:13:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-21 22:13:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-21 22:13:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:13:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:13:54,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:54,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425300490] [2023-11-21 22:13:54,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425300490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:54,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:54,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:13:54,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4747175] [2023-11-21 22:13:54,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:54,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:13:54,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:54,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:13:54,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:13:54,200 INFO L87 Difference]: Start difference. First operand 445 states and 574 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-21 22:13:54,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:54,457 INFO L93 Difference]: Finished difference Result 837 states and 1090 transitions. [2023-11-21 22:13:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:13:54,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 56 [2023-11-21 22:13:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:54,461 INFO L225 Difference]: With dead ends: 837 [2023-11-21 22:13:54,461 INFO L226 Difference]: Without dead ends: 408 [2023-11-21 22:13:54,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:13:54,464 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 95 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:54,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 118 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 22:13:54,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-21 22:13:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 397. [2023-11-21 22:13:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 258 states have (on average 1.2054263565891472) internal successors, (311), 289 states have internal predecessors, (311), 73 states have call successors, (73), 62 states have call predecessors, (73), 65 states have return successors, (114), 67 states have call predecessors, (114), 73 states have call successors, (114) [2023-11-21 22:13:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 498 transitions. [2023-11-21 22:13:54,534 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 498 transitions. Word has length 56 [2023-11-21 22:13:54,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:54,535 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 498 transitions. [2023-11-21 22:13:54,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-21 22:13:54,536 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 498 transitions. [2023-11-21 22:13:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 22:13:54,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:54,539 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] [2023-11-21 22:13:54,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:13:54,539 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:54,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:54,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1138379186, now seen corresponding path program 1 times [2023-11-21 22:13:54,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:54,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813120340] [2023-11-21 22:13:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:54,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:13:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:13:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:13:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-21 22:13:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:13:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-21 22:13:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-21 22:13:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 22:13:54,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:54,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813120340] [2023-11-21 22:13:54,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813120340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:54,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:54,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-21 22:13:54,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879084753] [2023-11-21 22:13:54,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:54,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 22:13:54,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:54,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 22:13:54,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:13:54,854 INFO L87 Difference]: Start difference. First operand 397 states and 498 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-21 22:13:55,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:55,382 INFO L93 Difference]: Finished difference Result 723 states and 935 transitions. [2023-11-21 22:13:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-21 22:13:55,384 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 67 [2023-11-21 22:13:55,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:55,390 INFO L225 Difference]: With dead ends: 723 [2023-11-21 22:13:55,391 INFO L226 Difference]: Without dead ends: 426 [2023-11-21 22:13:55,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2023-11-21 22:13:55,395 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 178 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:55,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 144 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-21 22:13:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-11-21 22:13:55,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 397. [2023-11-21 22:13:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 258 states have (on average 1.193798449612403) internal successors, (308), 289 states have internal predecessors, (308), 73 states have call successors, (73), 62 states have call predecessors, (73), 65 states have return successors, (114), 67 states have call predecessors, (114), 73 states have call successors, (114) [2023-11-21 22:13:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 495 transitions. [2023-11-21 22:13:55,472 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 495 transitions. Word has length 67 [2023-11-21 22:13:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:55,473 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 495 transitions. [2023-11-21 22:13:55,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 8 states have internal predecessors, (43), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-21 22:13:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 495 transitions. [2023-11-21 22:13:55,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:13:55,476 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:55,476 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-21 22:13:55,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:13:55,477 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:55,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:55,478 INFO L85 PathProgramCache]: Analyzing trace with hash -385320818, now seen corresponding path program 1 times [2023-11-21 22:13:55,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:55,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122902213] [2023-11-21 22:13:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:55,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:13:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:13:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:13:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 22:13:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-21 22:13:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-21 22:13:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-21 22:13:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:13:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-21 22:13:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 22:13:56,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:56,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122902213] [2023-11-21 22:13:56,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122902213] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:13:56,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449045747] [2023-11-21 22:13:56,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:56,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:56,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:56,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:13:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:56,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 22:13:56,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 22:13:56,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 22:13:57,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449045747] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:13:57,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:13:57,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 24 [2023-11-21 22:13:57,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427184419] [2023-11-21 22:13:57,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:13:57,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-21 22:13:57,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:57,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-21 22:13:57,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-11-21 22:13:57,672 INFO L87 Difference]: Start difference. First operand 397 states and 495 transitions. Second operand has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 13 states have call successors, (29), 8 states have call predecessors, (29), 10 states have return successors, (26), 12 states have call predecessors, (26), 13 states have call successors, (26) [2023-11-21 22:13:59,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:59,609 INFO L93 Difference]: Finished difference Result 1001 states and 1288 transitions. [2023-11-21 22:13:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-21 22:13:59,610 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 13 states have call successors, (29), 8 states have call predecessors, (29), 10 states have return successors, (26), 12 states have call predecessors, (26), 13 states have call successors, (26) Word has length 72 [2023-11-21 22:13:59,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:59,614 INFO L225 Difference]: With dead ends: 1001 [2023-11-21 22:13:59,614 INFO L226 Difference]: Without dead ends: 578 [2023-11-21 22:13:59,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 868 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=686, Invalid=2854, Unknown=0, NotChecked=0, Total=3540 [2023-11-21 22:13:59,619 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 791 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:59,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 623 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:13:59,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-11-21 22:13:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 514. [2023-11-21 22:13:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 336 states have (on average 1.1785714285714286) internal successors, (396), 371 states have internal predecessors, (396), 93 states have call successors, (93), 79 states have call predecessors, (93), 84 states have return successors, (132), 89 states have call predecessors, (132), 93 states have call successors, (132) [2023-11-21 22:13:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 621 transitions. [2023-11-21 22:13:59,696 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 621 transitions. Word has length 72 [2023-11-21 22:13:59,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:59,697 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 621 transitions. [2023-11-21 22:13:59,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 4.95) internal successors, (99), 22 states have internal predecessors, (99), 13 states have call successors, (29), 8 states have call predecessors, (29), 10 states have return successors, (26), 12 states have call predecessors, (26), 13 states have call successors, (26) [2023-11-21 22:13:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 621 transitions. [2023-11-21 22:13:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-21 22:13:59,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:59,700 INFO L195 NwaCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:59,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:59,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:59,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:59,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:59,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1424833022, now seen corresponding path program 1 times [2023-11-21 22:13:59,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:59,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994868743] [2023-11-21 22:13:59,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:59,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:14:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:14:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:14:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 22:14:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:14:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 22:14:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-21 22:14:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:14:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:14:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 22:14:00,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:00,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994868743] [2023-11-21 22:14:00,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994868743] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:14:00,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997829082] [2023-11-21 22:14:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:00,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:00,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:00,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:00,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:14:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:00,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 22:14:00,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 22:14:00,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:14:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 22:14:00,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997829082] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:14:00,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:14:00,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 23 [2023-11-21 22:14:00,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093285636] [2023-11-21 22:14:00,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:14:00,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-21 22:14:00,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:00,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 22:14:00,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2023-11-21 22:14:00,953 INFO L87 Difference]: Start difference. First operand 514 states and 621 transitions. Second operand has 23 states, 22 states have (on average 4.818181818181818) internal successors, (106), 20 states have internal predecessors, (106), 9 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (23), 10 states have call predecessors, (23), 9 states have call successors, (23) [2023-11-21 22:14:04,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:04,346 INFO L93 Difference]: Finished difference Result 1849 states and 2601 transitions. [2023-11-21 22:14:04,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-11-21 22:14:04,347 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.818181818181818) internal successors, (106), 20 states have internal predecessors, (106), 9 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (23), 10 states have call predecessors, (23), 9 states have call successors, (23) Word has length 92 [2023-11-21 22:14:04,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:04,359 INFO L225 Difference]: With dead ends: 1849 [2023-11-21 22:14:04,359 INFO L226 Difference]: Without dead ends: 1441 [2023-11-21 22:14:04,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2342 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1103, Invalid=7087, Unknown=0, NotChecked=0, Total=8190 [2023-11-21 22:14:04,366 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 668 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 2044 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 2044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:04,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 895 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 2044 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-21 22:14:04,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2023-11-21 22:14:04,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 913. [2023-11-21 22:14:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 598 states have (on average 1.1588628762541806) internal successors, (693), 657 states have internal predecessors, (693), 158 states have call successors, (158), 139 states have call predecessors, (158), 156 states have return successors, (224), 160 states have call predecessors, (224), 158 states have call successors, (224) [2023-11-21 22:14:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1075 transitions. [2023-11-21 22:14:04,524 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1075 transitions. Word has length 92 [2023-11-21 22:14:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:04,525 INFO L495 AbstractCegarLoop]: Abstraction has 913 states and 1075 transitions. [2023-11-21 22:14:04,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.818181818181818) internal successors, (106), 20 states have internal predecessors, (106), 9 states have call successors, (24), 6 states have call predecessors, (24), 8 states have return successors, (23), 10 states have call predecessors, (23), 9 states have call successors, (23) [2023-11-21 22:14:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1075 transitions. [2023-11-21 22:14:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-21 22:14:04,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:14:04,528 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:04,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:04,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:04,743 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:14:04,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:14:04,744 INFO L85 PathProgramCache]: Analyzing trace with hash 647492855, now seen corresponding path program 1 times [2023-11-21 22:14:04,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:14:04,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696587220] [2023-11-21 22:14:04,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:04,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:14:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:14:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:14:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:14:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:14:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:14:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-21 22:14:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:14:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:14:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:14:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-21 22:14:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-21 22:14:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:14:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-21 22:14:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-21 22:14:05,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:14:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696587220] [2023-11-21 22:14:05,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696587220] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:14:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015389948] [2023-11-21 22:14:05,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:14:05,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:14:05,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:14:05,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:14:05,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 22:14:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:14:05,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:14:05,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:14:05,928 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 61 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 22:14:05,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:14:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-21 22:14:06,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015389948] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:14:06,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:14:06,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 11] total 34 [2023-11-21 22:14:06,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442279324] [2023-11-21 22:14:06,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:14:06,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-21 22:14:06,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:14:06,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-21 22:14:06,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=998, Unknown=0, NotChecked=0, Total=1122 [2023-11-21 22:14:06,604 INFO L87 Difference]: Start difference. First operand 913 states and 1075 transitions. Second operand has 34 states, 31 states have (on average 5.032258064516129) internal successors, (156), 30 states have internal predecessors, (156), 16 states have call successors, (36), 8 states have call predecessors, (36), 14 states have return successors, (35), 19 states have call predecessors, (35), 15 states have call successors, (35) [2023-11-21 22:14:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:14:14,443 INFO L93 Difference]: Finished difference Result 1964 states and 2333 transitions. [2023-11-21 22:14:14,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-11-21 22:14:14,444 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 31 states have (on average 5.032258064516129) internal successors, (156), 30 states have internal predecessors, (156), 16 states have call successors, (36), 8 states have call predecessors, (36), 14 states have return successors, (35), 19 states have call predecessors, (35), 15 states have call successors, (35) Word has length 100 [2023-11-21 22:14:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:14:14,445 INFO L225 Difference]: With dead ends: 1964 [2023-11-21 22:14:14,445 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:14:14,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 245 SyntacticMatches, 4 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13067 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=3845, Invalid=32827, Unknown=0, NotChecked=0, Total=36672 [2023-11-21 22:14:14,464 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 1901 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 3179 mSolverCounterSat, 1464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1464 IncrementalHoareTripleChecker+Valid, 3179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:14:14,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 414 Invalid, 4643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1464 Valid, 3179 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-21 22:14:14,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:14:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:14:14,465 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) [2023-11-21 22:14:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:14:14,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2023-11-21 22:14:14,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:14:14,466 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:14:14,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 31 states have (on average 5.032258064516129) internal successors, (156), 30 states have internal predecessors, (156), 16 states have call successors, (36), 8 states have call predecessors, (36), 14 states have return successors, (35), 19 states have call predecessors, (35), 15 states have call successors, (35) [2023-11-21 22:14:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:14:14,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:14:14,470 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:14:14,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:14:14,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-21 22:14:14,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:14:26,453 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2023-11-21 22:14:26,453 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2023-11-21 22:14:26,454 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 614) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse2) (or .cse3 .cse4 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 .cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse1 .cse4 .cse2))) [2023-11-21 22:14:26,454 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2023-11-21 22:14:26,454 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-21 22:14:26,455 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse5 .cse9) (or .cse0 .cse8 .cse5 .cse9 .cse6) (or .cse8 .cse10 .cse5) (or .cse0 .cse4 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) (<= 1 |old(~waterLevel~0)|) .cse5 .cse6) (or .cse7 .cse4 .cse5 .cse9) (or (and .cse1 .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse10 .cse5))) [2023-11-21 22:14:26,456 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (let ((.cse13 (<= 1 |old(~waterLevel~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse10 (= ~waterLevel~0 1) .cse12)) (.cse8 (and .cse10 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse13) .cse11) (<= ~waterLevel~0 0) .cse12)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse6 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse2 .cse6) (or .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse8 .cse2 .cse9) (or (< 1 |old(~waterLevel~0)|) .cse7 .cse8 .cse4 .cse2 .cse9) (or .cse7 .cse0 (and .cse10 .cse11 .cse12) .cse13 .cse2 .cse9) (or .cse5 .cse0 .cse2 .cse6)))) [2023-11-21 22:14:26,456 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-11-21 22:14:26,457 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse13 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse15))) (.cse1 (= ~pumpRunning~0 0)) (.cse12 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse14 (= ~switchedOnBeforeTS~0 0))) (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse1 .cse12 .cse15 .cse14)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse13 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 0 ~systemActive~0)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse0 (not .cse14)) (.cse11 (= |old(~switchedOnBeforeTS~0)| 0))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1)) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4 .cse7) (or .cse5 .cse8 .cse6 .cse4 .cse7) (or .cse8 .cse3 .cse4 .cse9) (or (< 1 |old(~waterLevel~0)|) .cse10 .cse8 .cse4 .cse9 .cse11) (or .cse10 .cse2 .cse4 .cse7 (and .cse0 .cse1 .cse12 .cse13) .cse11))))) [2023-11-21 22:14:26,457 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-21 22:14:26,457 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2023-11-21 22:14:26,457 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse8 (= |old(~pumpRunning~0)| 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~switchedOnBeforeTS~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse1 (not .cse13)) (.cse2 (and .cse10 .cse13 .cse8 (<= ~waterLevel~0 2) .cse11 .cse12 (not .cse3))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not .cse8)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 .cse6) (or .cse5 .cse7 .cse3 .cse4 .cse6) (or .cse8 .cse7 .cse9 .cse3) (or .cse1 .cse2 .cse9 .cse3) (or .cse0 .cse7 .cse3 .cse4 (and .cse10 .cse11 .cse12))))) [2023-11-21 22:14:26,458 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2023-11-21 22:14:26,458 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2023-11-21 22:14:26,458 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 721 747) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0) .cse12)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (and (not .cse11) .cse12 .cse13 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse9 (and .cse11 .cse12 .cse13)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse3) (or .cse9 .cse10 .cse6 .cse3 .cse4) (or .cse7 .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (or .cse9 .cse10 .cse2 .cse3 .cse4)))) [2023-11-21 22:14:26,459 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 2 ~waterLevel~0) .cse12)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (and (not .cse11) .cse12 .cse13 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~switchedOnBeforeTS~0)| 0)) (.cse9 (and .cse11 .cse12 .cse13)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse3) (or .cse9 .cse10 .cse6 .cse3 .cse4) (or .cse7 .cse2 .cse8 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4 .cse5) (or .cse9 .cse10 .cse2 .cse3 .cse4)))) [2023-11-21 22:14:26,459 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-21 22:14:26,459 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 724 746) no Hoare annotation was computed. [2023-11-21 22:14:26,459 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2023-11-21 22:14:26,460 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-21 22:14:26,460 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2023-11-21 22:14:26,460 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-21 22:14:26,460 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-11-21 22:14:26,460 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 721 747) no Hoare annotation was computed. [2023-11-21 22:14:26,460 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 710) no Hoare annotation was computed. [2023-11-21 22:14:26,461 INFO L899 garLoopResultBuilder]: For program point L129(lines 104 133) no Hoare annotation was computed. [2023-11-21 22:14:26,461 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-11-21 22:14:26,461 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-11-21 22:14:26,461 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-11-21 22:14:26,461 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-11-21 22:14:26,462 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-11-21 22:14:26,462 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-11-21 22:14:26,462 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-11-21 22:14:26,462 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-11-21 22:14:26,462 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse5 .cse4) (and .cse1 .cse2 .cse3 .cse5 .cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-21 22:14:26,463 INFO L899 garLoopResultBuilder]: For program point L985(lines 924 989) no Hoare annotation was computed. [2023-11-21 22:14:26,463 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2023-11-21 22:14:26,463 INFO L899 garLoopResultBuilder]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2023-11-21 22:14:26,463 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-11-21 22:14:26,463 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2023-11-21 22:14:26,463 INFO L895 garLoopResultBuilder]: At program point L982(lines 933 983) the Hoare annotation is: false [2023-11-21 22:14:26,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:14:26,464 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2023-11-21 22:14:26,464 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 954 960) no Hoare annotation was computed. [2023-11-21 22:14:26,464 INFO L895 garLoopResultBuilder]: At program point L979(lines 934 981) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse5 (or (< ~waterLevel~0 1) .cse6)) (and .cse0 .cse7 .cse2 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse2 .cse4 .cse5) (and .cse7 .cse2 .cse4 (<= ~waterLevel~0 2) .cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-21 22:14:26,464 INFO L895 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~1#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~methaneLevelCritical~0 1) .cse3 (<= ~waterLevel~0 2) .cse4) (and .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2023-11-21 22:14:26,465 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:14:26,465 INFO L895 garLoopResultBuilder]: At program point L972-2(lines 964 977) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0)) (.cse0 (not (= ~switchedOnBeforeTS~0 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (or (< ~waterLevel~0 1) (= ~waterLevel~0 1))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse2 .cse3 .cse4 (<= ~waterLevel~0 2) .cse5 .cse9) (and (<= ~waterLevel~0 1) .cse3 .cse8 .cse4 .cse5 .cse9))) [2023-11-21 22:14:26,465 INFO L899 garLoopResultBuilder]: For program point L935(lines 934 981) no Hoare annotation was computed. [2023-11-21 22:14:26,465 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2023-11-21 22:14:26,466 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 591 602) the Hoare annotation is: (let ((.cse5 (not (= |old(~waterLevel~0)| 1)))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~switchedOnBeforeTS~0 0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse8 (and .cse5 (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse4 (= ~waterLevel~0 1) .cse7) (or .cse1 .cse6 .cse3 .cse4) (or .cse6 .cse8 .cse9 .cse10 .cse4) (or .cse0 .cse8 .cse2 .cse10 .cse4 .cse7) (or .cse0 .cse8 .cse2 .cse9 .cse10 .cse4)))) [2023-11-21 22:14:26,468 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-11-21 22:14:26,469 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2023-11-21 22:14:26,469 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (and (not (= ~waterLevel~0 1)) (<= 1 ~waterLevel~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (not (= 2 ~waterLevel~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4) (or .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (or (and .cse6 (= ~switchedOnBeforeTS~0 0)) .cse7 .cse5 .cse3 .cse4))) [2023-11-21 22:14:26,470 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-11-21 22:14:26,470 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 780) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1) (or .cse2 .cse3 (not (= 2 ~waterLevel~0)) .cse4 .cse0 .cse1) (or .cse2 .cse3 (and (not (= ~waterLevel~0 1)) (<= 1 ~waterLevel~0)) .cse4 .cse0 .cse1))) [2023-11-21 22:14:26,470 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= 1 ~waterLevel~0))) (let ((.cse7 (and (not (= ~waterLevel~0 1)) .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (and .cse5 .cse8)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse7 .cse1 .cse3 .cse4) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse6 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4)))) [2023-11-21 22:14:26,470 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2023-11-21 22:14:26,470 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2023-11-21 22:14:26,470 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse4 (and (= ~pumpRunning~0 0) (or (= 2 ~waterLevel~0) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0)))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0) .cse3) (or .cse0 .cse4 (not (= |old(~pumpRunning~0)| 0)) (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3))) [2023-11-21 22:14:26,470 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 851 859) no Hoare annotation was computed. [2023-11-21 22:14:26,470 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 859) the Hoare annotation is: true [2023-11-21 22:14:26,471 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2023-11-21 22:14:26,471 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 850) the Hoare annotation is: true [2023-11-21 22:14:26,473 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:14:26,476 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:14:26,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:14:26 BoogieIcfgContainer [2023-11-21 22:14:26,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:14:26,499 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:14:26,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:14:26,499 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:14:26,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:49" (3/4) ... [2023-11-21 22:14:26,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:14:26,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-21 22:14:26,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-21 22:14:26,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-21 22:14:26,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-21 22:14:26,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-21 22:14:26,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:14:26,507 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-21 22:14:26,507 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-21 22:14:26,528 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2023-11-21 22:14:26,529 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 22:14:26,530 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:14:26,531 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:14:26,531 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:14:26,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:14:26,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:14:26,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:14:26,655 INFO L158 Benchmark]: Toolchain (without parser) took 38654.90ms. Allocated memory was 132.1MB in the beginning and 536.9MB in the end (delta: 404.8MB). Free memory was 93.5MB in the beginning and 443.2MB in the end (delta: -349.7MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,655 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:14:26,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.05ms. Allocated memory is still 132.1MB. Free memory was 93.5MB in the beginning and 74.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.21ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 71.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,657 INFO L158 Benchmark]: Boogie Preprocessor took 72.55ms. Allocated memory is still 132.1MB. Free memory was 71.7MB in the beginning and 69.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,657 INFO L158 Benchmark]: RCFGBuilder took 903.97ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 69.3MB in the beginning and 127.8MB in the end (delta: -58.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,658 INFO L158 Benchmark]: TraceAbstraction took 36703.20ms. Allocated memory was 176.2MB in the beginning and 536.9MB in the end (delta: 360.7MB). Free memory was 127.0MB in the beginning and 450.5MB in the end (delta: -323.6MB). Peak memory consumption was 307.4MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,658 INFO L158 Benchmark]: Witness Printer took 155.71ms. Allocated memory is still 536.9MB. Free memory was 450.5MB in the beginning and 443.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:14:26,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.05ms. Allocated memory is still 132.1MB. Free memory was 93.5MB in the beginning and 74.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.21ms. Allocated memory is still 132.1MB. Free memory was 74.0MB in the beginning and 71.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.55ms. Allocated memory is still 132.1MB. Free memory was 71.7MB in the beginning and 69.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 903.97ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 69.3MB in the beginning and 127.8MB in the end (delta: -58.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 36703.20ms. Allocated memory was 176.2MB in the beginning and 536.9MB in the end (delta: 360.7MB). Free memory was 127.0MB in the beginning and 450.5MB in the end (delta: -323.6MB). Peak memory consumption was 307.4MB. Max. memory is 16.1GB. * Witness Printer took 155.71ms. Allocated memory is still 536.9MB. Free memory was 450.5MB in the beginning and 443.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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,"Test.i","") [101] - GenericResultAtLocation [Line: 206]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [572] - GenericResultAtLocation [Line: 670]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [670] - GenericResultAtLocation [Line: 705]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [705] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [714] - GenericResultAtLocation [Line: 923]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [923] * 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: 710]: 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 9 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4140 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4103 mSDsluCounter, 3260 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2654 mSDsCounter, 2815 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7773 IncrementalHoareTripleChecker+Invalid, 10588 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2815 mSolverCounterUnsat, 606 mSDtfsCounter, 7773 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1120 GetRequests, 696 SyntacticMatches, 4 SemanticMatches, 420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16558 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=913occurred in iteration=9, InterpolantAutomatonStates: 363, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 738 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 1651 PreInvPairs, 1845 NumberOfFragments, 1950 HoareAnnotationTreeSize, 1651 FomulaSimplifications, 45141 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 24 FomulaSimplificationsInter, 46699 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1041 ConstructedInterpolants, 0 QuantifiedInterpolants, 3493 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1076 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 554/635 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: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (tmp == 1)) || ((((((pumpRunning == 0) && (1 == systemActive)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && ((waterLevel < 1) || (waterLevel == 1)))) || ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1))) || (((((2 == waterLevel) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || ((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (tmp == 1)) && (pumpRunning == switchedOnBeforeTS))) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:14:26,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af0528ed-bc11-4cbc-b49a-e4f005bbaa1c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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