./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i --full-output --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 42d87675 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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--net--irda--w83977af_ir.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --traceabstraction.partial.order.reduction.in.concurrent.analysis SLEEP_NEW_STATES --- Real Ultimate output --- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 00:20:00,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 00:20:00,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 00:20:00,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 00:20:00,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 00:20:00,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 00:20:00,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 00:20:00,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 00:20:00,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 00:20:00,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 00:20:00,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 00:20:00,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 00:20:00,136 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 00:20:00,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 00:20:00,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 00:20:00,137 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 00:20:00,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 00:20:00,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 00:20:00,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 00:20:00,138 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 00:20:00,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 00:20:00,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 00:20:00,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 00:20:00,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 00:20:00,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 ! call(reach_error())) ) 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 -> dcbacb5c6320cc7d732f3f08957667bdf1dc73f77660278f36230fbc0ccef69c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Partial Order Reduction in concurrent analysis -> SLEEP_NEW_STATES [2025-04-25 00:20:00,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 00:20:00,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 00:20:00,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 00:20:00,361 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-25 00:20:00,361 INFO L274 PluginConnector]: CDTParser initialized [2025-04-25 00:20:00,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2025-04-25 00:20:01,680 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/600573216/a4945f505ae6470b8feeb118e260b796/FLAG27ecab712 [2025-04-25 00:20:02,121 INFO L389 CDTParser]: Found 1 translation units. [2025-04-25 00:20:02,123 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2025-04-25 00:20:02,156 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/600573216/a4945f505ae6470b8feeb118e260b796/FLAG27ecab712 [2025-04-25 00:20:02,780 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/600573216/a4945f505ae6470b8feeb118e260b796 [2025-04-25 00:20:02,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 00:20:02,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-25 00:20:02,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-25 00:20:02,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-25 00:20:02,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-25 00:20:02,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 12:20:02" (1/1) ... [2025-04-25 00:20:02,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc52789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:02, skipping insertion in model container [2025-04-25 00:20:02,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.04 12:20:02" (1/1) ... [2025-04-25 00:20:02,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-25 00:20:04,082 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2025-04-25 00:20:04,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 00:20:04,473 INFO L200 MainTranslator]: Completed pre-run [2025-04-25 00:20:04,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5646] [2025-04-25 00:20:04,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5653] [2025-04-25 00:20:04,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5660] [2025-04-25 00:20:04,592 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)); [5694-5695] [2025-04-25 00:20:04,593 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"); [5700-5702] [2025-04-25 00:20:04,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5759] [2025-04-25 00:20:04,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5767] [2025-04-25 00:20:04,764 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2025-04-25 00:20:04,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-25 00:20:04,848 INFO L204 MainTranslator]: Completed translation [2025-04-25 00:20:04,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04 WrapperNode [2025-04-25 00:20:04,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-25 00:20:04,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 00:20:04,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 00:20:04,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 00:20:04,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:04,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,093 INFO L138 Inliner]: procedures = 328, calls = 1288, calls flagged for inlining = 514, calls inlined = 855, statements flattened = 7854 [2025-04-25 00:20:05,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 00:20:05,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 00:20:05,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 00:20:05,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 00:20:05,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,236 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 00:20:05,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 00:20:05,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 00:20:05,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 00:20:05,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (1/1) ... [2025-04-25 00:20:05,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 00:20:05,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 00:20:05,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-25 00:20:05,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-25 00:20:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-04-25 00:20:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2025-04-25 00:20:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2025-04-25 00:20:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2025-04-25 00:20:05,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2025-04-25 00:20:05,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2025-04-25 00:20:05,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-25 00:20:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-25 00:20:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-25 00:20:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-25 00:20:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-25 00:20:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-25 00:20:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-25 00:20:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 00:20:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 00:20:05,463 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 00:20:05,893 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 00:20:05,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 00:20:10,639 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 00:20:10,639 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 00:20:14,735 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 00:20:14,736 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 00:20:14,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 12:20:14 BoogieIcfgContainer [2025-04-25 00:20:14,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 00:20:14,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 00:20:14,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 00:20:14,742 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 00:20:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.04 12:20:02" (1/3) ... [2025-04-25 00:20:14,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef455ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 12:20:14, skipping insertion in model container [2025-04-25 00:20:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.04 12:20:04" (2/3) ... [2025-04-25 00:20:14,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef455ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 12:20:14, skipping insertion in model container [2025-04-25 00:20:14,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 12:20:14" (3/3) ... [2025-04-25 00:20:14,744 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2025-04-25 00:20:14,757 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 00:20:14,762 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i that has 4 procedures, 399 locations, 598 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-25 00:20:14,763 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 00:20:15,390 INFO L143 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2025-04-25 00:20:15,440 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 00:20:15,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 00:20:15,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 00:20:15,443 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) [2025-04-25 00:20:15,445 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 [2025-04-25 00:20:15,884 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 00:20:15,889 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork2 ======== [2025-04-25 00:20:15,894 INFO L340 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;@6c6fe149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 00:20:15,894 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-25 00:20:15,966 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:20:15,971 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:20:15,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1002508874, now seen corresponding path program 1 times [2025-04-25 00:20:15,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:20:15,977 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995724535] [2025-04-25 00:20:15,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:20:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:20:16,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-25 00:20:17,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 00:20:17,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:20:17,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:20:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 00:20:17,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:20:17,585 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995724535] [2025-04-25 00:20:17,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995724535] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:20:17,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:20:17,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 00:20:17,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476942740] [2025-04-25 00:20:17,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:20:17,591 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 00:20:17,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:20:17,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 00:20:17,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 00:20:17,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:20:17,612 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:20:17,613 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2025-04-25 00:20:17,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:20:21,651 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:25,668 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:26,198 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:20:26,199 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 00:20:26,200 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:20:26,200 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:20:26,200 INFO L85 PathProgramCache]: Analyzing trace with hash 732696646, now seen corresponding path program 1 times [2025-04-25 00:20:26,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:20:26,200 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710340445] [2025-04-25 00:20:26,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:20:26,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:20:26,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-25 00:20:26,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-25 00:20:26,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:20:26,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:20:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 00:20:27,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:20:27,158 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710340445] [2025-04-25 00:20:27,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710340445] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 00:20:27,158 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564492726] [2025-04-25 00:20:27,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:20:27,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 00:20:27,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 00:20:27,161 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) [2025-04-25 00:20:27,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-25 00:20:28,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-25 00:20:29,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-25 00:20:29,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:20:29,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:20:29,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-25 00:20:29,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 00:20:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 00:20:29,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 00:20:29,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 00:20:29,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564492726] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 00:20:29,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 00:20:29,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2025-04-25 00:20:29,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917746934] [2025-04-25 00:20:29,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 00:20:29,215 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 00:20:29,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:20:29,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 00:20:29,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-25 00:20:29,215 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:20:29,217 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:20:29,217 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2025-04-25 00:20:29,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:20:29,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:20:33,241 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:37,244 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:41,252 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:45,259 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:45,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:20:45,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:20:45,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-25 00:20:45,939 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-25 00:20:45,939 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:20:45,939 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:20:45,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1524500406, now seen corresponding path program 2 times [2025-04-25 00:20:45,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:20:45,940 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864040464] [2025-04-25 00:20:45,940 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 00:20:45,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:20:46,621 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-04-25 00:20:46,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 43 of 53 statements. [2025-04-25 00:20:46,689 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-25 00:20:46,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:20:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-25 00:20:46,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:20:46,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864040464] [2025-04-25 00:20:46,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864040464] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:20:46,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:20:46,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 00:20:46,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283964795] [2025-04-25 00:20:46,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:20:46,950 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 00:20:46,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:20:46,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 00:20:46,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 00:20:46,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:20:46,951 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:20:46,951 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2025-04-25 00:20:46,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:20:46,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:20:46,951 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:20:50,973 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:54,977 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:58,983 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:20:59,486 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:20:59,487 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:20:59,487 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:20:59,487 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 00:20:59,488 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:20:59,488 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:20:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash -413602292, now seen corresponding path program 1 times [2025-04-25 00:20:59,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:20:59,488 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654440229] [2025-04-25 00:20:59,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:20:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:20:59,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-25 00:21:00,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 00:21:00,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:21:00,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:21:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-25 00:21:00,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:21:00,279 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654440229] [2025-04-25 00:21:00,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654440229] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:21:00,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:21:00,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 00:21:00,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810370817] [2025-04-25 00:21:00,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:21:00,280 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 00:21:00,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:21:00,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 00:21:00,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 00:21:00,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:00,281 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:21:00,281 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2025-04-25 00:21:00,281 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:00,281 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:00,281 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:00,281 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:04,303 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:08,310 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:12,314 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:12,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:12,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:12,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:12,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:12,961 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 00:21:12,961 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:21:12,962 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:21:12,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1235612934, now seen corresponding path program 1 times [2025-04-25 00:21:12,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:21:12,962 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627788514] [2025-04-25 00:21:12,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:21:12,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:21:13,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-04-25 00:21:13,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-04-25 00:21:13,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:21:13,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:21:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-25 00:21:14,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:21:14,429 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627788514] [2025-04-25 00:21:14,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627788514] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:21:14,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:21:14,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 00:21:14,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52870223] [2025-04-25 00:21:14,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:21:14,430 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 00:21:14,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:21:14,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 00:21:14,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 00:21:14,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:14,431 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:21:14,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2025-04-25 00:21:14,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:14,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:14,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:14,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:14,432 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:18,452 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:22,455 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:26,459 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:27,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:27,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:27,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:27,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:27,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:27,270 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 00:21:27,270 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:21:27,270 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:21:27,270 INFO L85 PathProgramCache]: Analyzing trace with hash 540322150, now seen corresponding path program 1 times [2025-04-25 00:21:27,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:21:27,270 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836910265] [2025-04-25 00:21:27,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:21:27,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:21:27,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-25 00:21:27,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 00:21:27,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:21:27,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:21:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-25 00:21:28,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:21:28,680 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836910265] [2025-04-25 00:21:28,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836910265] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:21:28,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:21:28,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 00:21:28,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182505001] [2025-04-25 00:21:28,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:21:28,681 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 00:21:28,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:21:28,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 00:21:28,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 00:21:28,681 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:28,681 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:21:28,681 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2025-04-25 00:21:28,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:28,681 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:28,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:28,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:28,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:28,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:32,704 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:36,709 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:40,712 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:41,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:41,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:41,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:41,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:41,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:41,655 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:41,655 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-25 00:21:41,655 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:21:41,656 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:21:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash 487144611, now seen corresponding path program 1 times [2025-04-25 00:21:41,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:21:41,656 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151909853] [2025-04-25 00:21:41,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:21:41,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:21:42,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-25 00:21:43,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-25 00:21:43,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:21:43,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:21:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-25 00:21:44,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:21:44,170 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151909853] [2025-04-25 00:21:44,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151909853] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:21:44,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:21:44,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 00:21:44,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137495624] [2025-04-25 00:21:44,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:21:44,171 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 00:21:44,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:21:44,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 00:21:44,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 00:21:44,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:44,171 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:21:44,171 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2025-04-25 00:21:44,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:44,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:44,171 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:44,172 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:44,172 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:44,172 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:44,172 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:48,195 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:52,199 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:56,204 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:56,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:56,845 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-25 00:21:56,845 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-25 00:21:56,846 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 00:21:56,846 INFO L85 PathProgramCache]: Analyzing trace with hash 79745573, now seen corresponding path program 1 times [2025-04-25 00:21:56,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 00:21:56,846 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572460430] [2025-04-25 00:21:56,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 00:21:56,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 00:21:57,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-25 00:21:58,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-25 00:21:58,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 00:21:58,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 00:21:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-25 00:21:59,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 00:21:59,217 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572460430] [2025-04-25 00:21:59,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572460430] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 00:21:59,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 00:21:59,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 00:21:59,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559000321] [2025-04-25 00:21:59,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 00:21:59,218 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 00:21:59,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 00:21:59,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 00:21:59,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 00:21:59,218 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:21:59,218 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 00:21:59,218 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 00:21:59,219 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 00:22:03,241 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-04-25 00:22:07,245 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []