./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6014a53bc4531229002927c7dae6ceb41eaf1bcae6bbbe475b6c1299f7673d0b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 07:54:34,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 07:54:34,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 07:54:34,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 07:54:34,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 07:54:34,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 07:54:34,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 07:54:34,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 07:54:34,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 07:54:34,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 07:54:34,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 07:54:34,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 07:54:34,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 07:54:34,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 07:54:34,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 07:54:34,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 07:54:34,803 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 07:54:34,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 07:54:34,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 07:54:34,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 07:54:34,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 07:54:34,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 07:54:34,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 07:54:34,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 07:54:34,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 07:54:34,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 07:54:34,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 07:54:34,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 07:54:34,808 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 07:54:34,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 07:54:34,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 07:54:34,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 07:54:34,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:54:34,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 07:54:34,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 07:54:34,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 07:54:34,809 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 07:54:34,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 07:54:34,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 07:54:34,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 07:54:34,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 07:54:34,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 07:54:34,811 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6014a53bc4531229002927c7dae6ceb41eaf1bcae6bbbe475b6c1299f7673d0b [2024-11-16 07:54:35,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 07:54:35,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 07:54:35,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 07:54:35,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 07:54:35,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 07:54:35,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2024-11-16 07:54:36,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 07:54:36,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 07:54:36,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c [2024-11-16 07:54:36,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1fe8b73/19a3839df4744af4b0b15fb493f71542/FLAG0aac4525d [2024-11-16 07:54:36,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1fe8b73/19a3839df4744af4b0b15fb493f71542 [2024-11-16 07:54:36,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 07:54:36,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 07:54:36,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 07:54:36,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 07:54:36,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 07:54:36,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:36" (1/1) ... [2024-11-16 07:54:36,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ad2fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36, skipping insertion in model container [2024-11-16 07:54:36,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:36" (1/1) ... [2024-11-16 07:54:36,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 07:54:37,260 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[5104,5117] [2024-11-16 07:54:37,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:54:37,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 07:54:37,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-16 07:54:37,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] [2024-11-16 07:54:37,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [315] [2024-11-16 07:54:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] [2024-11-16 07:54:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [423] [2024-11-16 07:54:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [518] [2024-11-16 07:54:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [553] [2024-11-16 07:54:37,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [919] [2024-11-16 07:54:37,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product43.cil.c[5104,5117] [2024-11-16 07:54:37,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 07:54:37,528 INFO L204 MainTranslator]: Completed translation [2024-11-16 07:54:37,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37 WrapperNode [2024-11-16 07:54:37,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 07:54:37,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 07:54:37,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 07:54:37,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 07:54:37,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,566 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 199 [2024-11-16 07:54:37,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 07:54:37,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 07:54:37,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 07:54:37,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 07:54:37,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,597 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 07:54:37,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 07:54:37,605 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 07:54:37,605 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 07:54:37,606 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 07:54:37,606 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (1/1) ... [2024-11-16 07:54:37,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 07:54:37,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:54:37,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 07:54:37,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 07:54:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 07:54:37,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-16 07:54:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-16 07:54:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-16 07:54:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-16 07:54:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-16 07:54:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-16 07:54:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-16 07:54:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-16 07:54:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 07:54:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-16 07:54:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-16 07:54:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 07:54:37,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 07:54:37,792 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 07:54:37,799 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 07:54:37,980 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L469-1: isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; [2024-11-16 07:54:37,980 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L242-1: isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; [2024-11-16 07:54:37,980 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L515-1: isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~6#1; [2024-11-16 07:54:37,980 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L297-1: isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; [2024-11-16 07:54:37,980 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L501-1: getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~5#1; [2024-11-16 07:54:37,980 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L233-1: isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; [2024-11-16 07:54:38,036 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L550-1: valid_product_#res#1 := valid_product_~retValue_acc~8#1; [2024-11-16 07:54:38,036 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L420-1: main_#res#1 := main_~retValue_acc~3#1; [2024-11-16 07:54:38,055 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-16 07:54:38,055 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 07:54:38,067 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 07:54:38,067 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 07:54:38,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:54:38 BoogieIcfgContainer [2024-11-16 07:54:38,067 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 07:54:38,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 07:54:38,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 07:54:38,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 07:54:38,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:54:36" (1/3) ... [2024-11-16 07:54:38,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d59a637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:54:38, skipping insertion in model container [2024-11-16 07:54:38,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:37" (2/3) ... [2024-11-16 07:54:38,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d59a637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:54:38, skipping insertion in model container [2024-11-16 07:54:38,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:54:38" (3/3) ... [2024-11-16 07:54:38,073 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2024-11-16 07:54:38,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 07:54:38,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 07:54:38,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 07:54:38,136 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@657f4067, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 07:54:38,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 07:54:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 75 states have internal predecessors, (94), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-16 07:54:38,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-16 07:54:38,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:38,145 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:38,145 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:38,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:38,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1964111597, now seen corresponding path program 1 times [2024-11-16 07:54:38,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:38,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447029484] [2024-11-16 07:54:38,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:38,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:38,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:38,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447029484] [2024-11-16 07:54:38,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447029484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:38,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:38,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:54:38,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594902358] [2024-11-16 07:54:38,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:38,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 07:54:38,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:38,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 07:54:38,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:54:38,376 INFO L87 Difference]: Start difference. First operand has 84 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 75 states have internal predecessors, (94), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:38,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:38,400 INFO L93 Difference]: Finished difference Result 159 states and 214 transitions. [2024-11-16 07:54:38,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 07:54:38,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-16 07:54:38,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:38,408 INFO L225 Difference]: With dead ends: 159 [2024-11-16 07:54:38,408 INFO L226 Difference]: Without dead ends: 73 [2024-11-16 07:54:38,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 07:54:38,415 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:38,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:54:38,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-16 07:54:38,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-16 07:54:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 07:54:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2024-11-16 07:54:38,447 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 21 [2024-11-16 07:54:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:38,448 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2024-11-16 07:54:38,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:38,448 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2024-11-16 07:54:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-16 07:54:38,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:38,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:38,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 07:54:38,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:38,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1828387887, now seen corresponding path program 1 times [2024-11-16 07:54:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:38,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568121550] [2024-11-16 07:54:38,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:38,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:38,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:38,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568121550] [2024-11-16 07:54:38,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568121550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:38,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:38,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 07:54:38,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159655335] [2024-11-16 07:54:38,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:38,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:54:38,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:38,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:54:38,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:54:38,559 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:38,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:38,571 INFO L93 Difference]: Finished difference Result 105 states and 134 transitions. [2024-11-16 07:54:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:54:38,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-16 07:54:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:38,573 INFO L225 Difference]: With dead ends: 105 [2024-11-16 07:54:38,573 INFO L226 Difference]: Without dead ends: 62 [2024-11-16 07:54:38,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:54:38,574 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 16 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:38,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:54:38,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-16 07:54:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-16 07:54:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-16 07:54:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 79 transitions. [2024-11-16 07:54:38,581 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 79 transitions. Word has length 24 [2024-11-16 07:54:38,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:38,581 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 79 transitions. [2024-11-16 07:54:38,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2024-11-16 07:54:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-16 07:54:38,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:38,583 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:38,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 07:54:38,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:38,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:38,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1680724767, now seen corresponding path program 1 times [2024-11-16 07:54:38,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:38,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766366238] [2024-11-16 07:54:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:38,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:38,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:38,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766366238] [2024-11-16 07:54:38,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766366238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:38,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:38,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 07:54:38,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165975344] [2024-11-16 07:54:38,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:38,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:54:38,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:38,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:54:38,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:54:38,697 INFO L87 Difference]: Start difference. First operand 62 states and 79 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:38,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:38,803 INFO L93 Difference]: Finished difference Result 208 states and 273 transitions. [2024-11-16 07:54:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 07:54:38,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-16 07:54:38,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:38,806 INFO L225 Difference]: With dead ends: 208 [2024-11-16 07:54:38,806 INFO L226 Difference]: Without dead ends: 153 [2024-11-16 07:54:38,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-16 07:54:38,807 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 130 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:38,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 386 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:54:38,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-16 07:54:38,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 141. [2024-11-16 07:54:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 116 states have (on average 1.3620689655172413) internal successors, (158), 127 states have internal predecessors, (158), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 11 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-16 07:54:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2024-11-16 07:54:38,827 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 26 [2024-11-16 07:54:38,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:38,828 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2024-11-16 07:54:38,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2024-11-16 07:54:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-16 07:54:38,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:38,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:38,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 07:54:38,830 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:38,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:38,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1027866043, now seen corresponding path program 1 times [2024-11-16 07:54:38,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:38,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987971613] [2024-11-16 07:54:38,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:38,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987971613] [2024-11-16 07:54:39,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987971613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:39,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:39,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 07:54:39,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257657949] [2024-11-16 07:54:39,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:39,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 07:54:39,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:39,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 07:54:39,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 07:54:39,028 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:39,087 INFO L93 Difference]: Finished difference Result 391 states and 535 transitions. [2024-11-16 07:54:39,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 07:54:39,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-16 07:54:39,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:39,091 INFO L225 Difference]: With dead ends: 391 [2024-11-16 07:54:39,091 INFO L226 Difference]: Without dead ends: 257 [2024-11-16 07:54:39,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:54:39,094 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 42 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:39,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 282 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:54:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-16 07:54:39,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2024-11-16 07:54:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 211 states have (on average 1.3317535545023698) internal successors, (281), 229 states have internal predecessors, (281), 26 states have call successors, (26), 22 states have call predecessors, (26), 19 states have return successors, (32), 19 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-16 07:54:39,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 339 transitions. [2024-11-16 07:54:39,124 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 339 transitions. Word has length 30 [2024-11-16 07:54:39,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:39,124 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 339 transitions. [2024-11-16 07:54:39,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:39,124 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 339 transitions. [2024-11-16 07:54:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-16 07:54:39,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:39,126 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:39,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 07:54:39,127 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:39,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:39,127 INFO L85 PathProgramCache]: Analyzing trace with hash 764005752, now seen corresponding path program 1 times [2024-11-16 07:54:39,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:39,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107329514] [2024-11-16 07:54:39,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:39,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:39,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:39,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107329514] [2024-11-16 07:54:39,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107329514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:39,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:39,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 07:54:39,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608529969] [2024-11-16 07:54:39,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:39,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 07:54:39,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:39,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 07:54:39,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:54:39,211 INFO L87 Difference]: Start difference. First operand 257 states and 339 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:39,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:39,247 INFO L93 Difference]: Finished difference Result 627 states and 846 transitions. [2024-11-16 07:54:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 07:54:39,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-16 07:54:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:39,250 INFO L225 Difference]: With dead ends: 627 [2024-11-16 07:54:39,250 INFO L226 Difference]: Without dead ends: 377 [2024-11-16 07:54:39,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 07:54:39,252 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 49 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:39,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 121 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 07:54:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-16 07:54:39,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 374. [2024-11-16 07:54:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 306 states have (on average 1.2973856209150327) internal successors, (397), 328 states have internal predecessors, (397), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-11-16 07:54:39,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 485 transitions. [2024-11-16 07:54:39,298 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 485 transitions. Word has length 32 [2024-11-16 07:54:39,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:39,299 INFO L471 AbstractCegarLoop]: Abstraction has 374 states and 485 transitions. [2024-11-16 07:54:39,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 07:54:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 485 transitions. [2024-11-16 07:54:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-16 07:54:39,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:39,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:39,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 07:54:39,304 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:39,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:39,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1450856679, now seen corresponding path program 1 times [2024-11-16 07:54:39,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:39,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668863045] [2024-11-16 07:54:39,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:39,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:54:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:39,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:39,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668863045] [2024-11-16 07:54:39,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668863045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:39,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:39,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:54:39,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21282737] [2024-11-16 07:54:39,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:39,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:54:39,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:39,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:54:39,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:54:39,386 INFO L87 Difference]: Start difference. First operand 374 states and 485 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:39,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:39,535 INFO L93 Difference]: Finished difference Result 460 states and 591 transitions. [2024-11-16 07:54:39,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:54:39,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-16 07:54:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:39,538 INFO L225 Difference]: With dead ends: 460 [2024-11-16 07:54:39,540 INFO L226 Difference]: Without dead ends: 457 [2024-11-16 07:54:39,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:54:39,542 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 139 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:39,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 291 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:54:39,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-16 07:54:39,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 454. [2024-11-16 07:54:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 373 states have (on average 1.2788203753351206) internal successors, (477), 408 states have internal predecessors, (477), 40 states have call successors, (40), 36 states have call predecessors, (40), 40 states have return successors, (65), 35 states have call predecessors, (65), 40 states have call successors, (65) [2024-11-16 07:54:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 582 transitions. [2024-11-16 07:54:39,579 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 582 transitions. Word has length 34 [2024-11-16 07:54:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:39,580 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 582 transitions. [2024-11-16 07:54:39,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 582 transitions. [2024-11-16 07:54:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-16 07:54:39,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:39,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:39,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 07:54:39,581 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:39,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:39,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1386316013, now seen corresponding path program 1 times [2024-11-16 07:54:39,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:39,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903188681] [2024-11-16 07:54:39,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:39,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:54:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:39,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:39,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903188681] [2024-11-16 07:54:39,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903188681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:39,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:39,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:54:39,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942569919] [2024-11-16 07:54:39,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:39,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:54:39,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:39,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:54:39,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:54:39,679 INFO L87 Difference]: Start difference. First operand 454 states and 582 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:39,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:39,780 INFO L93 Difference]: Finished difference Result 922 states and 1211 transitions. [2024-11-16 07:54:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:54:39,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-16 07:54:39,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:39,783 INFO L225 Difference]: With dead ends: 922 [2024-11-16 07:54:39,783 INFO L226 Difference]: Without dead ends: 475 [2024-11-16 07:54:39,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:54:39,785 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 44 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:39,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 315 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:54:39,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-11-16 07:54:39,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 472. [2024-11-16 07:54:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 391 states have (on average 1.2659846547314577) internal successors, (495), 426 states have internal predecessors, (495), 40 states have call successors, (40), 36 states have call predecessors, (40), 40 states have return successors, (65), 35 states have call predecessors, (65), 40 states have call successors, (65) [2024-11-16 07:54:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 600 transitions. [2024-11-16 07:54:39,806 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 600 transitions. Word has length 43 [2024-11-16 07:54:39,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:39,806 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 600 transitions. [2024-11-16 07:54:39,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 600 transitions. [2024-11-16 07:54:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-16 07:54:39,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:39,808 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:39,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 07:54:39,808 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:39,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1555341586, now seen corresponding path program 1 times [2024-11-16 07:54:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241689806] [2024-11-16 07:54:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:39,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:54:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:39,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241689806] [2024-11-16 07:54:39,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241689806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:39,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:39,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 07:54:39,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734638300] [2024-11-16 07:54:39,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:39,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 07:54:39,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:39,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 07:54:39,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 07:54:39,900 INFO L87 Difference]: Start difference. First operand 472 states and 600 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:39,987 INFO L93 Difference]: Finished difference Result 876 states and 1127 transitions. [2024-11-16 07:54:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:54:39,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-16 07:54:39,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:39,989 INFO L225 Difference]: With dead ends: 876 [2024-11-16 07:54:39,989 INFO L226 Difference]: Without dead ends: 411 [2024-11-16 07:54:39,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 07:54:39,991 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 43 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:39,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 376 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:54:39,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-16 07:54:40,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 404. [2024-11-16 07:54:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 335 states have (on average 1.2537313432835822) internal successors, (420), 364 states have internal predecessors, (420), 34 states have call successors, (34), 30 states have call predecessors, (34), 34 states have return successors, (48), 31 states have call predecessors, (48), 34 states have call successors, (48) [2024-11-16 07:54:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 502 transitions. [2024-11-16 07:54:40,008 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 502 transitions. Word has length 43 [2024-11-16 07:54:40,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:40,009 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 502 transitions. [2024-11-16 07:54:40,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:40,009 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 502 transitions. [2024-11-16 07:54:40,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-16 07:54:40,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:40,010 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:40,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 07:54:40,010 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:40,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:40,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1050681968, now seen corresponding path program 1 times [2024-11-16 07:54:40,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:40,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802785679] [2024-11-16 07:54:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:54:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:40,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:40,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802785679] [2024-11-16 07:54:40,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802785679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 07:54:40,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 07:54:40,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 07:54:40,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199123850] [2024-11-16 07:54:40,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 07:54:40,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 07:54:40,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:40,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 07:54:40,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 07:54:40,098 INFO L87 Difference]: Start difference. First operand 404 states and 502 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:40,309 INFO L93 Difference]: Finished difference Result 894 states and 1178 transitions. [2024-11-16 07:54:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 07:54:40,310 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2024-11-16 07:54:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:40,312 INFO L225 Difference]: With dead ends: 894 [2024-11-16 07:54:40,312 INFO L226 Difference]: Without dead ends: 597 [2024-11-16 07:54:40,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-16 07:54:40,314 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 93 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:40,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 457 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 07:54:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2024-11-16 07:54:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 594. [2024-11-16 07:54:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 488 states have (on average 1.2336065573770492) internal successors, (602), 524 states have internal predecessors, (602), 53 states have call successors, (53), 47 states have call predecessors, (53), 52 states have return successors, (94), 50 states have call predecessors, (94), 53 states have call successors, (94) [2024-11-16 07:54:40,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 749 transitions. [2024-11-16 07:54:40,344 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 749 transitions. Word has length 43 [2024-11-16 07:54:40,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:40,344 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 749 transitions. [2024-11-16 07:54:40,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 07:54:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 749 transitions. [2024-11-16 07:54:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 07:54:40,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:40,346 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:40,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 07:54:40,347 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:40,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:40,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1743315557, now seen corresponding path program 1 times [2024-11-16 07:54:40,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:40,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663915586] [2024-11-16 07:54:40,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:40,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 07:54:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 07:54:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 07:54:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:40,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 07:54:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663915586] [2024-11-16 07:54:40,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663915586] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 07:54:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791044086] [2024-11-16 07:54:40,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:40,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 07:54:40,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 07:54:40,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 07:54:40,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 07:54:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 07:54:40,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 07:54:40,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 07:54:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:40,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 07:54:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 07:54:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791044086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 07:54:40,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 07:54:40,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 8 [2024-11-16 07:54:40,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271817153] [2024-11-16 07:54:40,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 07:54:40,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 07:54:40,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 07:54:40,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 07:54:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 07:54:40,799 INFO L87 Difference]: Start difference. First operand 594 states and 749 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-16 07:54:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 07:54:41,175 INFO L93 Difference]: Finished difference Result 1370 states and 1815 transitions. [2024-11-16 07:54:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 07:54:41,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2024-11-16 07:54:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 07:54:41,183 INFO L225 Difference]: With dead ends: 1370 [2024-11-16 07:54:41,183 INFO L226 Difference]: Without dead ends: 883 [2024-11-16 07:54:41,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 138 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-16 07:54:41,185 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 229 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 07:54:41,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 486 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 07:54:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-16 07:54:41,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 798. [2024-11-16 07:54:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 650 states have (on average 1.236923076923077) internal successors, (804), 698 states have internal predecessors, (804), 74 states have call successors, (74), 66 states have call predecessors, (74), 73 states have return successors, (139), 66 states have call predecessors, (139), 74 states have call successors, (139) [2024-11-16 07:54:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1017 transitions. [2024-11-16 07:54:41,260 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1017 transitions. Word has length 68 [2024-11-16 07:54:41,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 07:54:41,263 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1017 transitions. [2024-11-16 07:54:41,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-16 07:54:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1017 transitions. [2024-11-16 07:54:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 07:54:41,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 07:54:41,265 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:41,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-16 07:54:41,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-16 07:54:41,467 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 07:54:41,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 07:54:41,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1449029616, now seen corresponding path program 2 times [2024-11-16 07:54:41,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 07:54:41,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708143687] [2024-11-16 07:54:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 07:54:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 07:54:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 07:54:41,487 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 07:54:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 07:54:41,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 07:54:41,522 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 07:54:41,523 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 07:54:41,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 07:54:41,526 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 07:54:41,589 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 07:54:41,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:54:41 BoogieIcfgContainer [2024-11-16 07:54:41,594 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 07:54:41,595 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 07:54:41,595 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 07:54:41,595 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 07:54:41,595 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:54:38" (3/4) ... [2024-11-16 07:54:41,596 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-16 07:54:41,659 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 07:54:41,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 07:54:41,660 INFO L158 Benchmark]: Toolchain (without parser) took 4766.23ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 176.4MB in the beginning and 102.6MB in the end (delta: 73.8MB). Peak memory consumption was 136.6MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,660 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 07:54:41,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.73ms. Allocated memory is still 205.5MB. Free memory was 175.3MB in the beginning and 154.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 205.5MB. Free memory was 154.3MB in the beginning and 152.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,660 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 205.5MB. Free memory was 152.2MB in the beginning and 150.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,661 INFO L158 Benchmark]: IcfgBuilder took 462.07ms. Allocated memory is still 205.5MB. Free memory was 150.1MB in the beginning and 163.5MB in the end (delta: -13.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,663 INFO L158 Benchmark]: TraceAbstraction took 3525.44ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 163.5MB in the beginning and 108.9MB in the end (delta: 54.6MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,663 INFO L158 Benchmark]: Witness Printer took 64.64ms. Allocated memory is still 268.4MB. Free memory was 108.9MB in the beginning and 102.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 07:54:41,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.73ms. Allocated memory is still 205.5MB. Free memory was 175.3MB in the beginning and 154.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 205.5MB. Free memory was 154.3MB in the beginning and 152.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 205.5MB. Free memory was 152.2MB in the beginning and 150.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 462.07ms. Allocated memory is still 205.5MB. Free memory was 150.1MB in the beginning and 163.5MB in the end (delta: -13.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3525.44ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 163.5MB in the beginning and 108.9MB in the end (delta: 54.6MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. * Witness Printer took 64.64ms. Allocated memory is still 268.4MB. Free memory was 108.9MB in the beginning and 102.6MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] - GenericResultAtLocation [Line: 121]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [315] - GenericResultAtLocation [Line: 324]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [324] - GenericResultAtLocation [Line: 423]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [423] - GenericResultAtLocation [Line: 518]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [518] - GenericResultAtLocation [Line: 553]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [553] - GenericResultAtLocation [Line: 919]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [919] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 320]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L325] int cleanupTimeShifts = 4; [L425] int waterLevel = 1; [L426] int methaneLevelCritical = 0; [L723] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] int retValue_acc ; [L402] int tmp ; [L406] FCALL select_helpers() [L407] FCALL select_features() [L408] CALL, EXPR valid_product() [L545] int retValue_acc ; [L548] retValue_acc = 1 [L549] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L408] RET, EXPR valid_product() [L408] tmp = valid_product() [L410] COND TRUE \read(tmp) [L412] FCALL setup() [L413] CALL runTest() [L392] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L443] COND TRUE waterLevel < 2 [L444] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L282] int retValue_acc ; [L283] int tmp ; [L284] int tmp___0 ; [L288] CALL, EXPR isHighWaterSensorDry() [L505] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(waterLevel < 2) [L512] retValue_acc = 0 [L513] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L288] RET, EXPR isHighWaterSensorDry() [L288] tmp = isHighWaterSensorDry() [L290] COND FALSE !(\read(tmp)) [L293] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L295] retValue_acc = tmp___0 [L296] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] RET, EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND TRUE \read(tmp) [L176] CALL activatePump() [L201] int tmp ; [L205] CALL, EXPR isMethaneAlarm() [L226] int retValue_acc ; [L230] CALL, EXPR isMethaneLevelCritical() [L464] int retValue_acc ; [L467] retValue_acc = methaneLevelCritical [L468] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L230] RET, EXPR isMethaneLevelCritical() [L230] retValue_acc = isMethaneLevelCritical() [L232] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L205] RET, EXPR isMethaneAlarm() [L205] tmp = isMethaneAlarm() [L207] COND FALSE !(\read(tmp)) [L211] CALL activatePump__wrappee__highWaterSensor() [L195] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L211] RET activatePump__wrappee__highWaterSensor() [L176] RET activatePump() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L921] int tmp ; [L922] int tmp___0 ; [L926] CALL, EXPR getWaterLevel() [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L926] RET, EXPR getWaterLevel() [L926] tmp = getWaterLevel() [L928] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L138] COND TRUE \read(pumpRunning) [L140] CALL lowerWaterLevel() [L431] COND TRUE waterLevel > 0 [L432] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L140] RET lowerWaterLevel() [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L185] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L921] int tmp ; [L922] int tmp___0 ; [L926] CALL, EXPR getWaterLevel() [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L926] RET, EXPR getWaterLevel() [L926] tmp = getWaterLevel() [L928] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L110] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L138] COND TRUE \read(pumpRunning) [L140] CALL lowerWaterLevel() [L431] COND TRUE waterLevel > 0 [L432] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L140] RET lowerWaterLevel() [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L185] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L921] int tmp ; [L922] int tmp___0 ; [L926] CALL, EXPR getWaterLevel() [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L926] RET, EXPR getWaterLevel() [L926] tmp = getWaterLevel() [L928] COND TRUE tmp == 0 [L930] CALL, EXPR isPumpRunning() [L237] int retValue_acc ; [L240] retValue_acc = pumpRunning [L241] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L930] RET, EXPR isPumpRunning() [L930] tmp___0 = isPumpRunning() [L932] COND TRUE \read(tmp___0) [L934] CALL __automaton_fail() [L320] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 805 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 785 mSDsluCounter, 2951 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2126 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 694 IncrementalHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 825 mSDtfsCounter, 694 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 162 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=10, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 116 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 935 SizeOfPredicates, 2 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 38/51 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-16 07:54:41,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE