./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.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 14:32:12,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 14:32:12,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 14:32:12,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 14:32:12,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 14:32:12,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 14:32:12,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 14:32:12,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 14:32:12,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 14:32:12,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 14:32:12,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 14:32:12,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 14:32:12,275 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 14:32:12,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 14:32:12,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 14:32:12,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:32:12,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 14:32:12,277 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 14:32:12,277 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-jdk21/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: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 14:32:12,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 14:32:12,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 14:32:12,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 14:32:12,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 14:32:12,513 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 14:32:12,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2024-11-21 14:32:13,599 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5e58a2584/ce66c6ee806445dcacec1726af1e6a37/FLAG6ff3281c1 [2024-11-21 14:32:14,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 14:32:14,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2024-11-21 14:32:14,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5e58a2584/ce66c6ee806445dcacec1726af1e6a37/FLAG6ff3281c1 [2024-11-21 14:32:14,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5e58a2584/ce66c6ee806445dcacec1726af1e6a37 [2024-11-21 14:32:14,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 14:32:14,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 14:32:14,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 14:32:14,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 14:32:14,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 14:32:14,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:32:14" (1/1) ... [2024-11-21 14:32:14,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0662e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:14, skipping insertion in model container [2024-11-21 14:32:14,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:32:14" (1/1) ... [2024-11-21 14:32:14,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 14:32:15,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2024-11-21 14:32:15,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:32:15,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 14:32:15,538 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] [2024-11-21 14:32:15,540 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] [2024-11-21 14:32:15,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5660] [2024-11-21 14:32:15,542 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] [2024-11-21 14:32:15,542 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] [2024-11-21 14:32:15,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5759] [2024-11-21 14:32:15,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5767] [2024-11-21 14:32:15,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2024-11-21 14:32:15,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 14:32:15,750 INFO L204 MainTranslator]: Completed translation [2024-11-21 14:32:15,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15 WrapperNode [2024-11-21 14:32:15,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 14:32:15,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 14:32:15,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 14:32:15,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 14:32:15,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:15,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,041 INFO L138 Inliner]: procedures = 328, calls = 1288, calls flagged for inlining = 514, calls inlined = 855, statements flattened = 7854 [2024-11-21 14:32:16,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 14:32:16,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 14:32:16,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 14:32:16,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 14:32:16,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 14:32:16,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 14:32:16,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 14:32:16,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 14:32:16,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (1/1) ... [2024-11-21 14:32:16,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 14:32:16,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:32:16,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 14:32:16,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 14:32:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-21 14:32:16,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2024-11-21 14:32:16,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2024-11-21 14:32:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2024-11-21 14:32:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 14:32:16,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 14:32:16,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 14:32:16,379 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 14:32:16,796 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 14:32:16,798 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 14:32:21,530 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 14:32:21,530 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 14:32:25,236 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 14:32:25,240 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 14:32:25,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:32:25 BoogieIcfgContainer [2024-11-21 14:32:25,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 14:32:25,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 14:32:25,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 14:32:25,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 14:32:25,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:32:14" (1/3) ... [2024-11-21 14:32:25,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f46aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:32:25, skipping insertion in model container [2024-11-21 14:32:25,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:32:15" (2/3) ... [2024-11-21 14:32:25,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f46aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:32:25, skipping insertion in model container [2024-11-21 14:32:25,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:32:25" (3/3) ... [2024-11-21 14:32:25,247 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2024-11-21 14:32:25,258 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 14:32:25,260 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, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-21 14:32:25,261 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 14:32:25,845 INFO L143 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2024-11-21 14:32:25,887 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:32:25,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 14:32:25,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:32:25,890 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 14:32:25,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 14:32:26,332 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 14:32:26,344 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_random_allocationless_scenario_3Thread1of1ForFork2 ======== [2024-11-21 14:32:26,348 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@da73fca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 14:32:26,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 14:39:53,726 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:39:53,726 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:39:53,727 INFO L139 ounterexampleChecker]: Examining path program with hash 1760298759, occurence #1 [2024-11-21 14:39:53,727 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:39:53,727 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:39:53,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:39:53,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1002508874, now seen corresponding path program 1 times [2024-11-21 14:39:53,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:39:53,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553708510] [2024-11-21 14:39:53,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:39:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:39:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:39:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:39:54,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:39:54,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553708510] [2024-11-21 14:39:54,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553708510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:39:54,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:39:54,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 14:39:54,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815562413] [2024-11-21 14:39:54,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:39:54,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:39:54,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:39:54,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:39:54,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:39:54,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:39:54,934 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:39:54,935 INFO L472 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) [2024-11-21 14:39:54,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:39:56,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:39:58,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:39:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:39:59,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 14:39:59,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:39:59,617 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:39:59,617 INFO L139 ounterexampleChecker]: Examining path program with hash -476444689, occurence #1 [2024-11-21 14:39:59,617 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:39:59,618 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:39:59,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:39:59,618 INFO L85 PathProgramCache]: Analyzing trace with hash 732696646, now seen corresponding path program 1 times [2024-11-21 14:39:59,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:39:59,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040214560] [2024-11-21 14:39:59,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:39:59,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:40:00,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:40:00,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040214560] [2024-11-21 14:40:00,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040214560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 14:40:00,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601610052] [2024-11-21 14:40:00,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:00,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:40:00,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 14:40:00,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 14:40:00,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 14:40:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:02,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-21 14:40:02,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 14:40:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:40:02,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 14:40:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 14:40:02,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601610052] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 14:40:02,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 14:40:02,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-21 14:40:02,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270742127] [2024-11-21 14:40:02,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 14:40:02,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 14:40:02,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:40:02,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 14:40:02,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-21 14:40:02,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:02,042 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:40:02,042 INFO L472 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) [2024-11-21 14:40:02,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:02,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:04,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:06,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:08,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:10,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:10,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 14:40:10,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 14:40:10,748 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:40:10,748 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:40:10,748 INFO L139 ounterexampleChecker]: Examining path program with hash -476444689, occurence #2 [2024-11-21 14:40:10,748 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:40:10,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 14:40:10,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash 709250, now seen corresponding path program 1 times [2024-11-21 14:40:10,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 14:40:10,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217103597] [2024-11-21 14:40:10,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 14:40:11,396 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 14:40:11,397 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 14:40:11,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 14:40:11,397 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,397 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 14:40:11,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 14:40:11,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 14:40:11,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:11,399 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:40:11,399 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:40:11,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:11,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1524500406, now seen corresponding path program 2 times [2024-11-21 14:40:11,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:40:11,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795519889] [2024-11-21 14:40:11,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 14:40:12,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:40:12,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795519889] [2024-11-21 14:40:12,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795519889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:40:12,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:40:12,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 14:40:12,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236857083] [2024-11-21 14:40:12,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:40:12,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 14:40:12,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:40:12,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 14:40:12,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 14:40:12,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:12,392 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:40:12,393 INFO L472 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) [2024-11-21 14:40:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:12,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:14,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:16,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:18,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:19,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:19,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-11-21 14:40:19,887 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:40:19,887 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:40:19,887 INFO L139 ounterexampleChecker]: Examining path program with hash 1061132115, occurence #1 [2024-11-21 14:40:19,887 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:40:19,887 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:40:19,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:19,888 INFO L85 PathProgramCache]: Analyzing trace with hash -413602292, now seen corresponding path program 1 times [2024-11-21 14:40:19,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:40:19,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318763328] [2024-11-21 14:40:19,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:20,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 14:40:20,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:40:20,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318763328] [2024-11-21 14:40:20,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318763328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:40:20,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:40:20,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 14:40:20,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729450472] [2024-11-21 14:40:20,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:40:20,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 14:40:20,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:40:20,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 14:40:20,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 14:40:20,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:20,733 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:40:20,733 INFO L472 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) [2024-11-21 14:40:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:20,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:22,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:24,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:26,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:40:27,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-21 14:40:27,299 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:40:27,299 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:40:27,299 INFO L139 ounterexampleChecker]: Examining path program with hash 1061132115, occurence #2 [2024-11-21 14:40:27,299 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 14:40:27,299 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 14:40:27,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:27,328 INFO L85 PathProgramCache]: Analyzing trace with hash 709261, now seen corresponding path program 1 times [2024-11-21 14:40:27,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 14:40:27,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159531640] [2024-11-21 14:40:27,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:27,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 14:40:27,887 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 14:40:27,887 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 14:40:27,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 14:40:27,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 14:40:27,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-21 14:40:27,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,889 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-21 14:40:27,889 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 14:40:27,889 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 14:40:27,889 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:40:27,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:27,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1235612934, now seen corresponding path program 1 times [2024-11-21 14:40:27,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:40:27,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313665703] [2024-11-21 14:40:27,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:27,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 14:40:29,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:40:29,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313665703] [2024-11-21 14:40:29,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313665703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:40:29,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:40:29,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 14:40:29,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192869070] [2024-11-21 14:40:29,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:40:29,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 14:40:29,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:40:29,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 14:40:29,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 14:40:29,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:29,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:40:29,332 INFO L472 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) [2024-11-21 14:40:29,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:29,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:29,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:29,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:40:29,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:31,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:33,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:35,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:40:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:36,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-11-21 14:40:36,349 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:40:36,349 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:40:36,349 INFO L139 ounterexampleChecker]: Examining path program with hash -565603263, occurence #1 [2024-11-21 14:40:36,349 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:40:36,349 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:40:36,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:36,349 INFO L85 PathProgramCache]: Analyzing trace with hash 540322150, now seen corresponding path program 1 times [2024-11-21 14:40:36,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:40:36,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101241646] [2024-11-21 14:40:36,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:36,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 14:40:38,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:40:38,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101241646] [2024-11-21 14:40:38,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101241646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:40:38,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:40:38,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 14:40:38,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537102969] [2024-11-21 14:40:38,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:40:38,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 14:40:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:40:38,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 14:40:38,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 14:40:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:38,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:40:38,276 INFO L472 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) [2024-11-21 14:40:38,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:38,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:38,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:38,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:40:38,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:38,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:40,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:42,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:44,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:40:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:45,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-21 14:40:45,684 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:40:45,684 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:40:45,684 INFO L139 ounterexampleChecker]: Examining path program with hash -127452381, occurence #1 [2024-11-21 14:40:45,684 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:40:45,684 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:40:45,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:40:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash 487144611, now seen corresponding path program 1 times [2024-11-21 14:40:45,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:40:45,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497756394] [2024-11-21 14:40:45,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:40:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:40:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:40:47,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 14:40:47,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:40:47,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497756394] [2024-11-21 14:40:47,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497756394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:40:47,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:40:47,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 14:40:47,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453090636] [2024-11-21 14:40:47,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:40:47,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 14:40:47,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:40:47,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 14:40:47,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 14:40:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:47,651 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:40:47,651 INFO L472 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) [2024-11-21 14:40:47,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:40:47,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:47,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:47,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:40:47,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:47,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:40:47,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:40:49,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:51,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:40:53,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:41:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:41:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:41:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:00,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:00,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-21 14:41:00,859 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_random_allocationless_scenario_3Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 14:41:00,859 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 14:41:00,859 INFO L139 ounterexampleChecker]: Examining path program with hash 1201139140, occurence #1 [2024-11-21 14:41:00,859 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 14:41:00,859 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 14:41:00,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 14:41:00,860 INFO L85 PathProgramCache]: Analyzing trace with hash 79745573, now seen corresponding path program 1 times [2024-11-21 14:41:00,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 14:41:00,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103693374] [2024-11-21 14:41:00,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 14:41:00,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 14:41:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 14:41:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-21 14:41:03,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 14:41:03,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103693374] [2024-11-21 14:41:03,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103693374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 14:41:03,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 14:41:03,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 14:41:03,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054130494] [2024-11-21 14:41:03,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 14:41:03,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 14:41:03,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 14:41:03,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 14:41:03,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 14:41:03,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:41:03,165 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 14:41:03,165 INFO L472 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) [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 14:41:03,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 14:41:05,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 14:41:07,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15