./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 06:55:50,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 06:55:50,645 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-11 06:55:50,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 06:55:50,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 06:55:50,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 06:55:50,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 06:55:50,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 06:55:50,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 06:55:50,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 06:55:50,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 06:55:50,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 06:55:50,691 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 06:55:50,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 06:55:50,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 06:55:50,692 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 06:55:50,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 06:55:50,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 06:55:50,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 06:55:50,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 06:55:50,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 06:55:50,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 06:55:50,696 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-11 06:55:50,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 06:55:50,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-11 06:55:50,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 06:55:50,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 06:55:50,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 06:55:50,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 06:55:50,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 06:55:50,699 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-11 06:55:50,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 06:55:50,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 06:55:50,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 06:55:50,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 06:55:50,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 06:55:50,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 06:55:50,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 06:55:50,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 06:55:50,702 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-11 06:55:50,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-11 06:55:50,703 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-11 06:55:50,703 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-11 06:55:50,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8933630f4cde50cf36eb2db51c9e240fc5e0c6bd245d32e47623c1906a97a301 [2024-11-11 06:55:50,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 06:55:50,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 06:55:51,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 06:55:51,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 06:55:51,006 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 06:55:51,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-11-11 06:55:52,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 06:55:52,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 06:55:52,979 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-11-11 06:55:53,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d1af40ce2/b31d18d0622743e5ba7d6b8c52b82660/FLAG331dce477 [2024-11-11 06:55:53,090 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d1af40ce2/b31d18d0622743e5ba7d6b8c52b82660 [2024-11-11 06:55:53,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 06:55:53,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 06:55:53,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 06:55:53,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 06:55:53,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 06:55:53,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:55:53" (1/1) ... [2024-11-11 06:55:53,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e2cc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:53, skipping insertion in model container [2024-11-11 06:55:53,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:55:53" (1/1) ... [2024-11-11 06:55:53,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 06:55:54,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 06:55:54,982 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 06:55:55,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/alpha/git/klever2/klever/native-scheduler-work-dir/scheduler/jobs/d5cd53f56669d61faa91054857893dbd/klever-core-work-dir/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [2738-2739] [2024-11-11 06:55:55,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [2744-2746] [2024-11-11 06:55:55,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2834] [2024-11-11 06:55:55,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2841] [2024-11-11 06:55:55,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [3070-3071] [2024-11-11 06:55:55,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [3107-3108] [2024-11-11 06:55:55,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3858] [2024-11-11 06:55:55,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3959] [2024-11-11 06:55:55,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/spi/spi-tegra20-slink.c"), "i" (764), "i" (12UL)); [4186-4187] [2024-11-11 06:55:55,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 06:55:55,560 INFO L204 MainTranslator]: Completed translation [2024-11-11 06:55:55,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55 WrapperNode [2024-11-11 06:55:55,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 06:55:55,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 06:55:55,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 06:55:55,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 06:55:55,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:55,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,151 INFO L138 Inliner]: procedures = 311, calls = 1746, calls flagged for inlining = 457, calls inlined = 706, statements flattened = 13031 [2024-11-11 06:55:56,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 06:55:56,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 06:55:56,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 06:55:56,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 06:55:56,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 06:55:56,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 06:55:56,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 06:55:56,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 06:55:56,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (1/1) ... [2024-11-11 06:55:56,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 06:55:56,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 06:55:56,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-11 06:55:56,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-11 06:55:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-11 06:55:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-11-11 06:55:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-11-11 06:55:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2024-11-11 06:55:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2024-11-11 06:55:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-11 06:55:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-11 06:55:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-11 06:55:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-11 06:55:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-11 06:55:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-11 06:55:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-11 06:55:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-11 06:55:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-11 06:55:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-11 06:55:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 06:55:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-11 06:55:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2024-11-11 06:55:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2024-11-11 06:55:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-11 06:55:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2024-11-11 06:55:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2024-11-11 06:55:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 06:55:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 06:55:57,004 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-11 06:55:57,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 06:55:57,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 06:56:08,601 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-11 06:56:08,601 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 06:56:08,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 06:56:08,789 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-11 06:56:08,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:56:08 BoogieIcfgContainer [2024-11-11 06:56:08,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 06:56:08,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 06:56:08,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 06:56:08,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 06:56:08,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:55:53" (1/3) ... [2024-11-11 06:56:08,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d16d894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:56:08, skipping insertion in model container [2024-11-11 06:56:08,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:55:55" (2/3) ... [2024-11-11 06:56:08,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d16d894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:56:08, skipping insertion in model container [2024-11-11 06:56:08,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:56:08" (3/3) ... [2024-11-11 06:56:08,801 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-11-11 06:56:08,817 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 06:56:08,817 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 728 error locations. [2024-11-11 06:56:08,818 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-11 06:56:12,035 INFO L143 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2024-11-11 06:56:12,414 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 06:56:12,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-11 06:56:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 06:56:12,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-11 06:56:12,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-11 06:56:12,467 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-11 06:56:12,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_platform_instance_3Thread1of1ForFork1 ======== [2024-11-11 06:56:12,485 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=PARTIAL_ORDER_FA, 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;@21307cfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 06:56:12,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 278 error locations. [2024-11-11 06:56:19,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_platform_instance_3Err0ASSERT_VIOLATIONDATA_RACE === [ldv_platform_instance_3Err0ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err1ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err2ASSERT_VIOLATIONDATA_RACE (and 275 more)] === [2024-11-11 06:56:19,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 06:56:19,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1030106884, now seen corresponding path program 1 times [2024-11-11 06:56:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 06:56:19,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496454845] [2024-11-11 06:56:19,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 06:56:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 06:56:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 06:56:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 06:56:21,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 06:56:21,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496454845] [2024-11-11 06:56:21,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496454845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 06:56:21,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 06:56:21,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 06:56:21,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210981263] [2024-11-11 06:56:21,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 06:56:21,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 06:56:21,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 06:56:21,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 06:56:21,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-11 06:56:21,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:21,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 06:56:21,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 604.0) internal successors, (1208), 2 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 06:56:21,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:27,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 06:56:27,475 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_platform_instance_3Err0ASSERT_VIOLATIONDATA_RACE === [ldv_platform_instance_3Err0ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err1ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err2ASSERT_VIOLATIONDATA_RACE (and 275 more)] === [2024-11-11 06:56:27,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 06:56:27,477 INFO L85 PathProgramCache]: Analyzing trace with hash -715983303, now seen corresponding path program 1 times [2024-11-11 06:56:27,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 06:56:27,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626117820] [2024-11-11 06:56:27,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 06:56:27,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 06:56:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 06:56:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 06:56:32,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 06:56:32,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626117820] [2024-11-11 06:56:32,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626117820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 06:56:32,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 06:56:32,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 06:56:32,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885373217] [2024-11-11 06:56:32,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 06:56:33,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 06:56:33,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 06:56:33,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 06:56:33,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-11 06:56:33,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:33,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 06:56:33,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 239.2) internal successors, (1196), 6 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 06:56:33,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:33,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 06:56:42,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 06:56:42,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_platform_instance_3Err1ASSERT_VIOLATIONDATA_RACE === [ldv_platform_instance_3Err0ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err1ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err2ASSERT_VIOLATIONDATA_RACE (and 275 more)] === [2024-11-11 06:56:42,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 06:56:42,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1221856015, now seen corresponding path program 1 times [2024-11-11 06:56:42,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 06:56:42,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809219026] [2024-11-11 06:56:42,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 06:56:42,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 06:56:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 06:56:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 06:56:45,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 06:56:45,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809219026] [2024-11-11 06:56:45,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809219026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 06:56:45,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 06:56:45,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-11 06:56:45,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464784117] [2024-11-11 06:56:45,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 06:56:45,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-11 06:56:45,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 06:56:45,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-11 06:56:45,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-11 06:56:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:45,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 06:56:45,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 253.2) internal successors, (1266), 6 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 06:56:45,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:45,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-11 06:56:45,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 06:56:57,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-11 06:56:57,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 06:56:57,961 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_platform_instance_3Err216ASSERT_VIOLATIONDATA_RACE === [ldv_platform_instance_3Err0ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err1ASSERT_VIOLATIONDATA_RACE, ldv_platform_instance_3Err2ASSERT_VIOLATIONDATA_RACE (and 275 more)] === [2024-11-11 06:56:57,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 06:56:57,962 INFO L85 PathProgramCache]: Analyzing trace with hash -986035575, now seen corresponding path program 1 times [2024-11-11 06:56:57,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 06:56:57,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144070729] [2024-11-11 06:56:57,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 06:56:57,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 06:56:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 06:56:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 06:56:58,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 06:56:58,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144070729] [2024-11-11 06:56:58,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144070729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 06:56:58,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 06:56:58,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-11 06:56:58,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407167259] [2024-11-11 06:56:58,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 06:56:58,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 06:56:58,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 06:56:58,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 06:56:58,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 06:56:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:58,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-11 06:56:58,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 755.5) internal successors, (1511), 3 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 06:56:58,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-11 06:56:58,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-11 06:56:58,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-11 06:56:58,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.