/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 16:15:37,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 16:15:37,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 16:15:37,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 16:15:37,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 16:15:37,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 16:15:37,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 16:15:37,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 16:15:37,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 16:15:37,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 16:15:37,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 16:15:37,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 16:15:37,219 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 16:15:37,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 16:15:37,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 16:15:37,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 16:15:37,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 16:15:37,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 16:15:37,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 16:15:37,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 16:15:37,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 16:15:37,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 16:15:37,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 16:15:37,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 16:15:37,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 16:15:37,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 16:15:37,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 16:15:37,237 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 16:15:37,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 16:15:37,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 16:15:37,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 16:15:37,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 16:15:37,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 16:15:37,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 16:15:37,238 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 16:15:37,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 16:15:37,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 16:15:37,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 16:15:37,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 16:15:37,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 16:15:37,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 16:15:37,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 16:15:37,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 16:15:37,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 16:15:37,538 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 16:15:37,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-05-05 16:15:38,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 16:15:39,077 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 16:15:39,077 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-05-05 16:15:39,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b3ff6e3f8/5f6a7442333d43479b75ab19e454b106/FLAGdb8294fb5 [2024-05-05 16:15:39,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b3ff6e3f8/5f6a7442333d43479b75ab19e454b106 [2024-05-05 16:15:39,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 16:15:39,136 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 16:15:39,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 16:15:39,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 16:15:39,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 16:15:39,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 04:15:39" (1/1) ... [2024-05-05 16:15:39,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcb730f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:39, skipping insertion in model container [2024-05-05 16:15:39,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 04:15:39" (1/1) ... [2024-05-05 16:15:39,232 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 16:15:40,257 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2024-05-05 16:15:40,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 16:15:40,439 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 16:15:40,494 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] [2024-05-05 16:15:40,496 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] [2024-05-05 16:15:40,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2834] [2024-05-05 16:15:40,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2841] [2024-05-05 16:15:40,516 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] [2024-05-05 16:15:40,518 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] [2024-05-05 16:15:40,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3858] [2024-05-05 16:15:40,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3959] [2024-05-05 16:15:40,565 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] [2024-05-05 16:15:40,644 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2024-05-05 16:15:40,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 16:15:40,759 INFO L206 MainTranslator]: Completed translation [2024-05-05 16:15:40,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40 WrapperNode [2024-05-05 16:15:40,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 16:15:40,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 16:15:40,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 16:15:40,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 16:15:40,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:40,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,027 INFO L138 Inliner]: procedures = 311, calls = 1354, calls flagged for inlining = 456, calls inlined = 705, statements flattened = 8434 [2024-05-05 16:15:41,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 16:15:41,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 16:15:41,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 16:15:41,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 16:15:41,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 16:15:41,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 16:15:41,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 16:15:41,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 16:15:41,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (1/1) ... [2024-05-05 16:15:41,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 16:15:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:15:41,448 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) [2024-05-05 16:15:41,464 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 [2024-05-05 16:15:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-05-05 16:15:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-05-05 16:15:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2024-05-05 16:15:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 16:15:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-05-05 16:15:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2024-05-05 16:15:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2024-05-05 16:15:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 16:15:41,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2024-05-05 16:15:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2024-05-05 16:15:41,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 16:15:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 16:15:41,499 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 16:15:42,015 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 16:15:42,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 16:15:47,433 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 16:15:47,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 16:15:47,577 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-05 16:15:47,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 04:15:47 BoogieIcfgContainer [2024-05-05 16:15:47,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 16:15:47,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 16:15:47,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 16:15:47,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 16:15:47,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 04:15:39" (1/3) ... [2024-05-05 16:15:47,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf557dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 04:15:47, skipping insertion in model container [2024-05-05 16:15:47,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:15:40" (2/3) ... [2024-05-05 16:15:47,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf557dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 04:15:47, skipping insertion in model container [2024-05-05 16:15:47,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 04:15:47" (3/3) ... [2024-05-05 16:15:47,600 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2024-05-05 16:15:47,622 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 16:15:47,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 16:15:47,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 16:15:47,652 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 16:15:49,545 INFO L144 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2024-05-05 16:15:49,701 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 16:15:49,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 16:15:49,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:15:49,703 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) [2024-05-05 16:15:49,717 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 [2024-05-05 16:15:49,732 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 16:15:49,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 16:15:49,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 16:15:49,748 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@22d6eb34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-05 16:15:49,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-05-05 16:17:02,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-05-05 16:17:02,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 16:17:02,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2145059449, now seen corresponding path program 1 times [2024-05-05 16:17:02,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 16:17:02,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377100066] [2024-05-05 16:17:02,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:17:02,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 16:17:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 16:17:03,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 16:17:03,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377100066] [2024-05-05 16:17:03,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2024-05-05 16:17:03,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939621873] [2024-05-05 16:17:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:17:03,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:17:03,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:17:03,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 16:17:03,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 16:17:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 16:17:05,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 5928 conjuncts, 1 conjunts are in the unsatisfiable core [2024-05-05 16:17:05,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 16:17:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 16:17:05,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 16:17:05,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939621873] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 16:17:05,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 16:17:05,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 16:17:05,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644497125] [2024-05-05 16:17:05,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 16:17:05,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 16:17:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 16:17:06,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 16:17:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 16:17:06,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:17:06,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 16:17:06,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 871.0) internal successors, (1742), 2 states have internal predecessors, (1742), 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) [2024-05-05 16:17:06,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:18:27,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:18:27,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 16:18:27,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-05-05 16:18:27,894 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_platform_instance_3Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-05-05 16:18:27,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 16:18:27,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1249679843, now seen corresponding path program 1 times [2024-05-05 16:18:27,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 16:18:27,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279272082] [2024-05-05 16:18:27,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:18:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 16:18:28,291 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-05 16:18:28,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685950458] [2024-05-05 16:18:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:18:28,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:18:28,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:18:28,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 16:18:28,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 16:18:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 16:18:31,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 7502 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-05 16:18:31,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 16:18:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 16:18:31,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 16:18:31,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 16:18:31,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279272082] [2024-05-05 16:18:31,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 16:18:31,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685950458] [2024-05-05 16:18:31,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685950458] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 16:18:31,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 16:18:31,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 16:18:31,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286038863] [2024-05-05 16:18:31,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 16:18:31,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 16:18:31,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 16:18:32,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 16:18:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-05 16:18:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:18:32,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 16:18:32,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 294.75) internal successors, (2358), 8 states have internal predecessors, (2358), 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) [2024-05-05 16:18:32,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:18:32,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:19:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:19:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 16:19:16,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 16:19:16,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:19:16,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_platform_instance_3Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-05-05 16:19:16,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 16:19:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1220671877, now seen corresponding path program 1 times [2024-05-05 16:19:16,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 16:19:16,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259092746] [2024-05-05 16:19:16,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:19:16,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 16:19:17,922 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-05 16:19:17,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1790567833] [2024-05-05 16:19:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:19:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:19:17,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:19:17,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 16:19:17,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 16:19:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 16:19:20,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 9380 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-05 16:19:20,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 16:19:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 16:19:21,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 16:19:21,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 16:19:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259092746] [2024-05-05 16:19:21,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 16:19:21,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790567833] [2024-05-05 16:19:21,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790567833] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 16:19:21,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 16:19:21,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 16:19:21,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143558282] [2024-05-05 16:19:21,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 16:19:21,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 16:19:21,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 16:19:22,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 16:19:22,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-05 16:19:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:19:22,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 16:19:22,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1061.6666666666667) internal successors, (3185), 3 states have internal predecessors, (3185), 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) [2024-05-05 16:19:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:19:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 16:19:22,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:20:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:20:20,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 16:20:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 16:20:20,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-05 16:20:20,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:20:20,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_platform_instance_3Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-05-05 16:20:20,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 16:20:20,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2076639635, now seen corresponding path program 1 times [2024-05-05 16:20:20,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 16:20:20,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471273083] [2024-05-05 16:20:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:20:20,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 16:20:20,933 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-05 16:20:20,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102761996] [2024-05-05 16:20:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:20:20,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:20:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:20:20,935 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 16:20:20,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 16:20:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 16:20:24,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 9082 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-05 16:20:24,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 16:20:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 16:20:24,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 16:20:24,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 16:20:24,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471273083] [2024-05-05 16:20:24,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 16:20:24,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102761996] [2024-05-05 16:20:24,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102761996] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 16:20:24,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 16:20:24,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-05-05 16:20:24,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634940720] [2024-05-05 16:20:24,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 16:20:24,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-05 16:20:24,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 16:20:26,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-05 16:20:26,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2024-05-05 16:20:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:20:26,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 16:20:26,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 126.79166666666667) internal successors, (3043), 24 states have internal predecessors, (3043), 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) [2024-05-05 16:20:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:20:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 16:20:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 16:20:26,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:21:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:21:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 16:21:23,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 16:21:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-05 16:21:23,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-05 16:21:23,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:21:23,656 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-05-05 16:21:23,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 16:21:23,657 INFO L85 PathProgramCache]: Analyzing trace with hash 921387770, now seen corresponding path program 1 times [2024-05-05 16:21:23,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 16:21:23,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361228823] [2024-05-05 16:21:23,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:21:23,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 16:21:24,369 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2024-05-05 16:21:24,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [852983735] [2024-05-05 16:21:24,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 16:21:24,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:21:24,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 16:21:24,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 16:21:24,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 16:21:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 16:21:27,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 5762 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-05 16:21:27,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 16:21:27,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-05 16:21:27,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2024-05-05 16:21:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 16:21:27,335 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 16:21:27,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 16:21:27,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361228823] [2024-05-05 16:21:27,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 16:21:27,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852983735] [2024-05-05 16:21:27,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852983735] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 16:21:27,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 16:21:27,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 16:21:27,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581887920] [2024-05-05 16:21:27,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 16:21:27,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 16:21:27,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 16:21:28,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 16:21:28,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-05 16:21:28,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:21:28,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 16:21:28,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 234.0) internal successors, (1638), 7 states have internal predecessors, (1638), 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) [2024-05-05 16:21:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 16:21:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 16:21:28,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 16:21:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-05 16:21:28,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-05 16:23:30,848 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 16:23:30,848 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 16:23:30,848 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 16:23:30,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 16:23:31,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 16:23:31,033 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_insmod_5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_platform_instance_3Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_platform_instance_3Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_interrupt_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_insmod_5Thread1of1ForFork3Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining) [2024-05-05 16:23:31,035 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_platform_instance_3Thread1of1ForFork2Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 9 remaining) [2024-05-05 16:23:31,036 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_platform_instance_3Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 9 remaining) [2024-05-05 16:23:31,049 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-05 16:23:31,053 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 16:23:31,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 16:23:31,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 04:23:31 BasicIcfg [2024-05-05 16:23:31,055 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 16:23:31,056 INFO L158 Benchmark]: Toolchain (without parser) took 471919.74ms. Allocated memory was 173.0MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 101.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 4.7GB. Max. memory is 8.0GB. [2024-05-05 16:23:31,056 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 173.0MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 16:23:31,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.64ms. Allocated memory was 173.0MB in the beginning and 273.7MB in the end (delta: 100.7MB). Free memory was 101.0MB in the beginning and 223.7MB in the end (delta: -122.7MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. [2024-05-05 16:23:31,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 266.24ms. Allocated memory is still 273.7MB. Free memory was 223.7MB in the beginning and 178.3MB in the end (delta: 45.4MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2024-05-05 16:23:31,056 INFO L158 Benchmark]: Boogie Preprocessor took 345.32ms. Allocated memory is still 273.7MB. Free memory was 178.3MB in the beginning and 191.9MB in the end (delta: -13.6MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2024-05-05 16:23:31,057 INFO L158 Benchmark]: RCFGBuilder took 6207.64ms. Allocated memory was 273.7MB in the beginning and 651.2MB in the end (delta: 377.5MB). Free memory was 191.9MB in the beginning and 426.3MB in the end (delta: -234.4MB). Peak memory consumption was 216.5MB. Max. memory is 8.0GB. [2024-05-05 16:23:31,057 INFO L158 Benchmark]: TraceAbstraction took 463471.76ms. Allocated memory was 651.2MB in the beginning and 8.0GB in the end (delta: 7.3GB). Free memory was 425.3MB in the beginning and 3.4GB in the end (delta: -2.9GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. [2024-05-05 16:23:31,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 173.0MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1621.64ms. Allocated memory was 173.0MB in the beginning and 273.7MB in the end (delta: 100.7MB). Free memory was 101.0MB in the beginning and 223.7MB in the end (delta: -122.7MB). Peak memory consumption was 53.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 266.24ms. Allocated memory is still 273.7MB. Free memory was 223.7MB in the beginning and 178.3MB in the end (delta: 45.4MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 345.32ms. Allocated memory is still 273.7MB. Free memory was 178.3MB in the beginning and 191.9MB in the end (delta: -13.6MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * RCFGBuilder took 6207.64ms. Allocated memory was 273.7MB in the beginning and 651.2MB in the end (delta: 377.5MB). Free memory was 191.9MB in the beginning and 426.3MB in the end (delta: -234.4MB). Peak memory consumption was 216.5MB. Max. memory is 8.0GB. * TraceAbstraction took 463471.76ms. Allocated memory was 651.2MB in the beginning and 8.0GB in the end (delta: 7.3GB). Free memory was 425.3MB in the beginning and 3.4GB in the end (delta: -2.9GB). Peak memory consumption was 4.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2738]: 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] - GenericResultAtLocation [Line: 2744]: 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] - GenericResultAtLocation [Line: 2834]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2834] - GenericResultAtLocation [Line: 2841]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2841] - GenericResultAtLocation [Line: 3070]: 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] - GenericResultAtLocation [Line: 3107]: 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] - GenericResultAtLocation [Line: 3858]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3858] - GenericResultAtLocation [Line: 3959]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3959] - GenericResultAtLocation [Line: 4186]: 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 17096797, independent: 16737922, independent conditional: 16730080, independent unconditional: 7842, dependent: 358875, dependent conditional: 358875, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16738063, independent: 16737922, independent conditional: 16730080, independent unconditional: 7842, dependent: 141, dependent conditional: 141, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16738063, independent: 16737922, independent conditional: 16730080, independent unconditional: 7842, dependent: 141, dependent conditional: 141, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16738063, independent: 16737922, independent conditional: 16730080, independent unconditional: 7842, dependent: 141, dependent conditional: 141, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16738452, independent: 16737922, independent conditional: 4899, independent unconditional: 16733023, dependent: 530, dependent conditional: 248, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16738452, independent: 16737922, independent conditional: 4839, independent unconditional: 16733083, dependent: 530, dependent conditional: 0, dependent unconditional: 530, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16738452, independent: 16737922, independent conditional: 4839, independent unconditional: 16733083, dependent: 530, dependent conditional: 0, dependent unconditional: 530, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 196526, independent: 196481, independent conditional: 2002, independent unconditional: 194479, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 196526, independent: 196481, independent conditional: 0, independent unconditional: 196481, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 409, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 409, dependent conditional: 0, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16738452, independent: 16541441, independent conditional: 2837, independent unconditional: 16538604, dependent: 485, dependent conditional: 0, dependent unconditional: 485, unknown: 196526, unknown conditional: 2002, unknown unconditional: 194524] , Statistics on independence cache: Total cache size (in pairs): 196526, Positive cache size: 196481, Positive conditional cache size: 2002, Positive unconditional cache size: 194479, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 308, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16738452, independent: 16737922, independent conditional: 4899, independent unconditional: 16733023, dependent: 530, dependent conditional: 248, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 16738452, independent: 16737922, independent conditional: 4839, independent unconditional: 16733083, dependent: 530, dependent conditional: 0, dependent unconditional: 530, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16738452, independent: 16737922, independent conditional: 4839, independent unconditional: 16733083, dependent: 530, dependent conditional: 0, dependent unconditional: 530, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 196526, independent: 196481, independent conditional: 2002, independent unconditional: 194479, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 196526, independent: 196481, independent conditional: 0, independent unconditional: 196481, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 409, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 409, dependent conditional: 0, dependent unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 16738452, independent: 16541441, independent conditional: 2837, independent unconditional: 16538604, dependent: 485, dependent conditional: 0, dependent unconditional: 485, unknown: 196526, unknown conditional: 2002, unknown unconditional: 194524] , Statistics on independence cache: Total cache size (in pairs): 196526, Positive cache size: 196481, Positive conditional cache size: 2002, Positive unconditional cache size: 194479, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 308 ], Independence queries for same thread: 358734 - TimeoutResultAtElement [Line: 6319]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5043]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5119]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5075]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5119]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 5075]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 20270 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 461.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 435.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.3s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 13708 NumberOfCodeBlocks, 13708 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 11961 ConstructedInterpolants, 0 QuantifiedInterpolants, 12225 SizeOfPredicates, 36 NumberOfNonLiveVariables, 37654 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2106/2106 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, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown