/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/libvsync/ticketlock.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:36:10,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:36:10,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:36:10,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:36:10,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:36:10,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:36:10,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:36:10,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:36:10,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:36:11,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:36:11,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:36:11,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:36:11,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:36:11,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:36:11,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:36:11,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-16 00:36:11,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:36:11,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:36:11,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:36:11,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:36:11,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:36:11,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/ticketlock.i [2024-11-16 00:36:12,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:36:13,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:36:13,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/libvsync/ticketlock.i [2024-11-16 00:36:13,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a955cb87a/ef87062e7e0748ac90a344d7a5755a01/FLAG98f5f42d1 [2024-11-16 00:36:13,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a955cb87a/ef87062e7e0748ac90a344d7a5755a01 [2024-11-16 00:36:13,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:36:13,151 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:36:13,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:36:13,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:36:13,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:36:13,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:13" (1/1) ... [2024-11-16 00:36:13,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fb2415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:13, skipping insertion in model container [2024-11-16 00:36:13,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:13" (1/1) ... [2024-11-16 00:36:13,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:36:14,786 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/libvsync/ticketlock.i[194314,194327] [2024-11-16 00:36:14,789 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/libvsync/ticketlock.i[194381,194394] [2024-11-16 00:36:14,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:36:14,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:36:14,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-16 00:36:14,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-16 00:36:14,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-16 00:36:14,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-16 00:36:14,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-16 00:36:14,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-16 00:36:14,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-16 00:36:14,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-16 00:36:14,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-16 00:36:14,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-16 00:36:14,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-16 00:36:14,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-16 00:36:14,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-16 00:36:14,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-16 00:36:14,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-16 00:36:14,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-16 00:36:14,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-16 00:36:14,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-16 00:36:14,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-16 00:36:14,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-16 00:36:14,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-16 00:36:14,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-16 00:36:14,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-16 00:36:14,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-16 00:36:14,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-16 00:36:14,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-16 00:36:14,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-16 00:36:14,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-16 00:36:14,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-16 00:36:14,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-16 00:36:14,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-16 00:36:14,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-16 00:36:14,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-16 00:36:14,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-16 00:36:14,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-16 00:36:14,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-16 00:36:14,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-16 00:36:14,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-16 00:36:14,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-16 00:36:14,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-16 00:36:14,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-16 00:36:14,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-16 00:36:14,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-16 00:36:14,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-16 00:36:14,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-16 00:36:14,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-16 00:36:14,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-16 00:36:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-16 00:36:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-16 00:36:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-16 00:36:14,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-16 00:36:14,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-16 00:36:14,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-16 00:36:14,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-16 00:36:14,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-16 00:36:14,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-16 00:36:14,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-16 00:36:14,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-16 00:36:14,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-16 00:36:14,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-16 00:36:14,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-16 00:36:14,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-16 00:36:14,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-16 00:36:14,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-16 00:36:14,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-16 00:36:14,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-16 00:36:14,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-16 00:36:14,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-16 00:36:14,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-16 00:36:14,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-16 00:36:14,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-16 00:36:14,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-16 00:36:14,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-16 00:36:14,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-16 00:36:14,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-16 00:36:14,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-16 00:36:14,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-16 00:36:14,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-16 00:36:14,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-16 00:36:14,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-16 00:36:14,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-16 00:36:14,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-16 00:36:14,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-16 00:36:14,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-16 00:36:14,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-16 00:36:14,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-16 00:36:14,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-16 00:36:14,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-16 00:36:14,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-16 00:36:14,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-16 00:36:14,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-16 00:36:14,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-16 00:36:14,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-16 00:36:14,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-16 00:36:14,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-16 00:36:14,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-16 00:36:14,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-16 00:36:14,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-16 00:36:14,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-16 00:36:14,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-16 00:36:15,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/libvsync/ticketlock.i[194314,194327] [2024-11-16 00:36:15,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/libvsync/ticketlock.i[194381,194394] [2024-11-16 00:36:15,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:36:15,271 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:36:15,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15 WrapperNode [2024-11-16 00:36:15,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:36:15,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:36:15,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:36:15,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:36:15,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,390 INFO L138 Inliner]: procedures = 918, calls = 922, calls flagged for inlining = 823, calls inlined = 39, statements flattened = 362 [2024-11-16 00:36:15,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:36:15,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:36:15,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:36:15,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:36:15,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:36:15,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:36:15,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:36:15,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:36:15,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (1/1) ... [2024-11-16 00:36:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:36:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:36:15,472 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) [2024-11-16 00:36:15,478 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 [2024-11-16 00:36:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 00:36:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:36:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:36:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:36:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-16 00:36:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-16 00:36:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 00:36:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 00:36:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 00:36:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:36:15,498 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:36:15,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:36:15,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:36:16,132 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:36:16,133 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:36:16,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:36:16,185 INFO L316 CfgBuilder]: Removed 73 assume(true) statements. [2024-11-16 00:36:16,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:16 BoogieIcfgContainer [2024-11-16 00:36:16,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:36:16,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:36:16,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:36:16,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:36:16,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:36:13" (1/3) ... [2024-11-16 00:36:16,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bef4434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:16, skipping insertion in model container [2024-11-16 00:36:16,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:15" (2/3) ... [2024-11-16 00:36:16,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bef4434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:16, skipping insertion in model container [2024-11-16 00:36:16,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:16" (3/3) ... [2024-11-16 00:36:16,196 INFO L112 eAbstractionObserver]: Analyzing ICFG ticketlock.i [2024-11-16 00:36:16,208 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:36:16,209 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ticketlock.i that has 2 procedures, 384 locations, 1 initial locations, 40 loop locations, and 2 error locations. [2024-11-16 00:36:16,209 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:36:16,348 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 00:36:16,427 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:16,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:36:16,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:36:16,431 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) [2024-11-16 00:36:16,432 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 [2024-11-16 00:36:16,544 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:16,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:16,567 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;@475e1f0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:16,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:17,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:17,146 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:17,147 INFO L132 ounterexampleChecker]: Examining path program with hash -1068997071, occurence #1 [2024-11-16 00:36:17,147 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:17,147 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:17,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash -411048559, now seen corresponding path program 1 times [2024-11-16 00:36:17,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:17,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585642804] [2024-11-16 00:36:17,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:17,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:17,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:17,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585642804] [2024-11-16 00:36:17,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585642804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:17,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:17,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:36:17,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565884110] [2024-11-16 00:36:17,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:17,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:36:17,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:17,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:36:17,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:36:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:17,358 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:17,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 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) [2024-11-16 00:36:17,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:17,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:17,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:36:17,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:17,414 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:17,415 INFO L132 ounterexampleChecker]: Examining path program with hash -2007952425, occurence #1 [2024-11-16 00:36:17,415 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:17,415 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:17,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:17,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1016517317, now seen corresponding path program 1 times [2024-11-16 00:36:17,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:17,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858712037] [2024-11-16 00:36:17,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:17,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:17,464 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 00:36:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:17,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 00:36:17,517 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-16 00:36:17,519 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-16 00:36:17,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-16 00:36:17,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-11-16 00:36:17,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:36:17,526 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 00:36:17,528 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 00:36:17,528 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 00:36:17,699 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:36:17,711 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:17,754 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:17,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:17,755 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;@475e1f0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:17,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:18,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:18,711 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:18,711 INFO L132 ounterexampleChecker]: Examining path program with hash -613778473, occurence #1 [2024-11-16 00:36:18,711 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:18,711 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:18,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1002124913, now seen corresponding path program 1 times [2024-11-16 00:36:18,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:18,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358823823] [2024-11-16 00:36:18,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:18,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:18,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358823823] [2024-11-16 00:36:18,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358823823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:18,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:18,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:36:18,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367977328] [2024-11-16 00:36:18,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:18,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:36:18,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:18,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:36:18,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:36:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:18,788 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:18,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2024-11-16 00:36:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:18,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:18,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 00:36:18,895 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:18,895 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:18,895 INFO L132 ounterexampleChecker]: Examining path program with hash 1077106953, occurence #1 [2024-11-16 00:36:18,895 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:18,895 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:18,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:18,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1062165746, now seen corresponding path program 1 times [2024-11-16 00:36:18,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:18,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936212060] [2024-11-16 00:36:18,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:18,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:18,938 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 00:36:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 00:36:18,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 00:36:18,993 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-16 00:36:18,993 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-11-16 00:36:18,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-11-16 00:36:18,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-11-16 00:36:18,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 00:36:18,999 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-16 00:36:19,000 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 00:36:19,000 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-16 00:36:19,154 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 00:36:19,167 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:19,226 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:36:19,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:36:19,228 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;@475e1f0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:36:19,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:36:20,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:20,707 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:20,708 INFO L132 ounterexampleChecker]: Examining path program with hash 1107265879, occurence #1 [2024-11-16 00:36:20,708 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:20,708 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:20,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:20,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1224561064, now seen corresponding path program 1 times [2024-11-16 00:36:20,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:20,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893770259] [2024-11-16 00:36:20,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:20,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:20,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:20,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893770259] [2024-11-16 00:36:20,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893770259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:20,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:20,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:36:20,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739344024] [2024-11-16 00:36:20,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:20,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:36:20,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:20,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:36:20,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:36:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:20,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:20,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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) [2024-11-16 00:36:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:20,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:20,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 00:36:20,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:20,922 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:20,922 INFO L132 ounterexampleChecker]: Examining path program with hash 1086317096, occurence #1 [2024-11-16 00:36:20,922 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:20,923 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:20,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1568935864, now seen corresponding path program 1 times [2024-11-16 00:36:20,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:20,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463934066] [2024-11-16 00:36:20,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:20,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:21,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:21,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463934066] [2024-11-16 00:36:21,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463934066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:21,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:21,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 00:36:21,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501276200] [2024-11-16 00:36:21,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:21,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 00:36:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:21,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 00:36:21,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 00:36:21,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:21,389 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:21,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 9 states have internal predecessors, (88), 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) [2024-11-16 00:36:21,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:21,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:24,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:24,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 00:36:24,732 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:24,733 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:24,734 INFO L132 ounterexampleChecker]: Examining path program with hash 801109143, occurence #1 [2024-11-16 00:36:24,734 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:24,734 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash 2111544814, now seen corresponding path program 1 times [2024-11-16 00:36:24,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:24,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721280014] [2024-11-16 00:36:24,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:24,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:25,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:25,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721280014] [2024-11-16 00:36:25,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721280014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:25,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:25,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 00:36:25,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379028394] [2024-11-16 00:36:25,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:25,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 00:36:25,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:25,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 00:36:25,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 00:36:25,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:25,665 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:25,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 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) [2024-11-16 00:36:25,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:25,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:25,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:26,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 00:36:26,547 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:26,547 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:26,548 INFO L132 ounterexampleChecker]: Examining path program with hash 427403094, occurence #1 [2024-11-16 00:36:26,548 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:26,548 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:26,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash 770116561, now seen corresponding path program 1 times [2024-11-16 00:36:26,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:26,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793305316] [2024-11-16 00:36:26,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:26,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:27,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:27,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793305316] [2024-11-16 00:36:27,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793305316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:27,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:27,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:36:27,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545551581] [2024-11-16 00:36:27,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:27,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:36:27,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:27,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:36:27,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:36:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:27,661 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:27,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2024-11-16 00:36:27,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:27,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:27,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:27,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:28,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:28,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 00:36:28,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:28,041 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:28,042 INFO L132 ounterexampleChecker]: Examining path program with hash -2042371129, occurence #1 [2024-11-16 00:36:28,042 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:28,042 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:28,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash 800508509, now seen corresponding path program 1 times [2024-11-16 00:36:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:28,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583383440] [2024-11-16 00:36:28,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:28,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:28,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:28,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583383440] [2024-11-16 00:36:28,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583383440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:28,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:28,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:36:28,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944235084] [2024-11-16 00:36:28,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:28,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:36:28,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:28,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:36:28,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:36:28,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:28,413 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:28,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 164.0) internal successors, (656), 4 states have internal predecessors, (656), 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) [2024-11-16 00:36:28,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:28,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:28,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:28,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:28,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:29,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:29,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 00:36:29,208 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:29,208 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:29,209 INFO L132 ounterexampleChecker]: Examining path program with hash -994037465, occurence #1 [2024-11-16 00:36:29,209 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:29,209 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:29,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:29,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1058627081, now seen corresponding path program 1 times [2024-11-16 00:36:29,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778793901] [2024-11-16 00:36:29,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:29,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:36:29,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:29,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778793901] [2024-11-16 00:36:29,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778793901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:29,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:29,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 00:36:29,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116409244] [2024-11-16 00:36:29,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:29,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 00:36:29,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:29,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 00:36:29,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 00:36:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:29,473 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:29,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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) [2024-11-16 00:36:29,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:29,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:29,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:29,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:29,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:29,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:29,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 00:36:29,577 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:29,577 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:29,578 INFO L132 ounterexampleChecker]: Examining path program with hash -587127268, occurence #1 [2024-11-16 00:36:29,578 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:29,578 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:29,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:29,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1534015194, now seen corresponding path program 1 times [2024-11-16 00:36:29,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:29,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620210479] [2024-11-16 00:36:29,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:36:30,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:30,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620210479] [2024-11-16 00:36:30,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620210479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:30,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:30,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 00:36:30,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505079248] [2024-11-16 00:36:30,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:30,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 00:36:30,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:30,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 00:36:30,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 00:36:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:30,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:30,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 98.4) internal successors, (492), 5 states have internal predecessors, (492), 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) [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:30,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:36:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:36:42,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 00:36:42,948 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:42,948 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:42,954 INFO L132 ounterexampleChecker]: Examining path program with hash -787991881, occurence #1 [2024-11-16 00:36:42,954 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:42,954 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:42,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2052260701, now seen corresponding path program 1 times [2024-11-16 00:36:42,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:42,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093510175] [2024-11-16 00:36:42,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:36:49,110 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-16 00:36:49,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:36:49,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093510175] [2024-11-16 00:36:49,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093510175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:36:49,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:36:49,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:36:49,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615626709] [2024-11-16 00:36:49,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:36:49,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:36:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:36:49,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:36:49,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:36:49,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:49,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:36:49,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 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) [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:36:49,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:36:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:36:55,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 00:36:55,479 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:36:55,479 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:36:55,485 INFO L132 ounterexampleChecker]: Examining path program with hash 1092106417, occurence #1 [2024-11-16 00:36:55,486 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:36:55,486 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:36:55,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:36:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash -20292885, now seen corresponding path program 1 times [2024-11-16 00:36:55,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:36:55,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98017250] [2024-11-16 00:36:55,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:36:55,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:36:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-16 00:37:03,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:37:03,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98017250] [2024-11-16 00:37:03,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98017250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:37:03,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:37:03,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 00:37:03,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558015439] [2024-11-16 00:37:03,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:37:03,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 00:37:03,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:37:03,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 00:37:03,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 00:37:03,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:03,515 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:37:03,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 297.75) internal successors, (1191), 4 states have internal predecessors, (1191), 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) [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:37:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:37:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:07,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:07,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 00:37:07,851 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:37:07,851 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:37:07,855 INFO L132 ounterexampleChecker]: Examining path program with hash 885783318, occurence #1 [2024-11-16 00:37:07,856 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:37:07,856 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:37:07,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:37:07,858 INFO L85 PathProgramCache]: Analyzing trace with hash 893696295, now seen corresponding path program 1 times [2024-11-16 00:37:07,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:37:07,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840446962] [2024-11-16 00:37:07,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:37:07,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:37:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-16 00:37:12,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:37:12,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840446962] [2024-11-16 00:37:12,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840446962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:37:12,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:37:12,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 00:37:12,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026535094] [2024-11-16 00:37:12,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:37:12,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 00:37:12,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:37:12,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 00:37:12,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 00:37:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:12,403 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:37:12,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.6666666666667) internal successors, (1271), 3 states have internal predecessors, (1271), 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) [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:12,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:15,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:15,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:37:15,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:15,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:15,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 00:37:15,023 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:37:15,023 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:37:15,027 INFO L132 ounterexampleChecker]: Examining path program with hash 154739756, occurence #1 [2024-11-16 00:37:15,027 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:37:15,027 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:37:15,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:37:15,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1832693431, now seen corresponding path program 2 times [2024-11-16 00:37:15,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:37:15,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968247504] [2024-11-16 00:37:15,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:37:15,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:37:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:37:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-16 00:37:21,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:37:21,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968247504] [2024-11-16 00:37:21,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968247504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:37:21,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:37:21,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 00:37:21,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372505412] [2024-11-16 00:37:21,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:37:21,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 00:37:21,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:37:21,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 00:37:21,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 00:37:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:21,804 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:37:21,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 118.14285714285714) internal successors, (827), 7 states have internal predecessors, (827), 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) [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-16 00:37:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.