./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/libvsync/rec_ticketlock.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/libvsync/rec_ticketlock.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 10:40:42,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 10:40:42,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 10:40:42,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 10:40:42,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 10:40:42,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 10:40:42,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 10:40:42,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 10:40:42,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 10:40:42,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 10:40:42,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 10:40:42,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 10:40:42,773 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 10:40:42,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 10:40:42,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 10:40:42,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 10:40:42,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 10:40:42,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 10:40:42,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 10:40:42,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 10:40:42,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 10:40:42,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 10:40:42,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 10:40:42,781 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 10:40:42,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 10:40:42,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 10:40:42,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 10:40:42,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 10:40:42,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 10:40:42,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 10:40:42,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 10:40:42,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 10:40:42,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 10:40:42,783 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 10:40:42,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 10:40:42,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 10:40:42,784 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 10:40:42,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 10:40:42,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 10:40:42,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 10:40:42,787 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 10:40:42,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-10-18 10:40:43,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 10:40:43,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 10:40:43,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 10:40:43,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 10:40:43,054 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 10:40:43,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/libvsync/rec_ticketlock.i [2024-10-18 10:40:44,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 10:40:44,876 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 10:40:44,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i [2024-10-18 10:40:44,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc841f92a/88630f21549140ae931a74b4c67dfc99/FLAG8949af3d2 [2024-10-18 10:40:45,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc841f92a/88630f21549140ae931a74b4c67dfc99 [2024-10-18 10:40:45,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 10:40:45,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 10:40:45,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 10:40:45,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 10:40:45,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 10:40:45,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:40:45" (1/1) ... [2024-10-18 10:40:45,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571aed12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:45, skipping insertion in model container [2024-10-18 10:40:45,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:40:45" (1/1) ... [2024-10-18 10:40:45,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 10:40:46,654 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[172521,172534] [2024-10-18 10:40:46,659 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[172881,172894] [2024-10-18 10:40:46,844 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[195820,195833] [2024-10-18 10:40:46,846 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[195887,195900] [2024-10-18 10:40:46,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 10:40:46,874 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 10:40:46,963 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-10-18 10:40:46,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-10-18 10:40:46,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-10-18 10:40:46,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-10-18 10:40:46,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-10-18 10:40:46,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-10-18 10:40:46,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-10-18 10:40:46,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-10-18 10:40:46,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-10-18 10:40:46,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-10-18 10:40:46,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-10-18 10:40:46,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-10-18 10:40:46,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-10-18 10:40:46,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-10-18 10:40:46,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-10-18 10:40:46,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-10-18 10:40:46,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-10-18 10:40:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-10-18 10:40:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-10-18 10:40:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-10-18 10:40:46,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-10-18 10:40:46,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-10-18 10:40:46,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-10-18 10:40:46,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-10-18 10:40:46,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-10-18 10:40:46,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-10-18 10:40:46,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-10-18 10:40:46,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-10-18 10:40:46,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-10-18 10:40:46,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-10-18 10:40:46,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-10-18 10:40:46,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-10-18 10:40:46,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-10-18 10:40:46,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-10-18 10:40:46,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-10-18 10:40:46,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-10-18 10:40:46,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-10-18 10:40:46,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-10-18 10:40:46,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-10-18 10:40:46,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-10-18 10:40:46,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-10-18 10:40:46,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-10-18 10:40:46,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-10-18 10:40:46,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-10-18 10:40:46,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-10-18 10:40:46,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-10-18 10:40:46,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-10-18 10:40:46,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-10-18 10:40:46,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-10-18 10:40:46,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-10-18 10:40:46,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-10-18 10:40:46,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-10-18 10:40:46,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-10-18 10:40:46,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-10-18 10:40:46,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-10-18 10:40:46,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-10-18 10:40:46,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-10-18 10:40:46,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-10-18 10:40:46,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-10-18 10:40:46,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-10-18 10:40:46,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-10-18 10:40:46,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-10-18 10:40:46,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-10-18 10:40:46,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-10-18 10:40:46,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-10-18 10:40:46,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-10-18 10:40:46,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-10-18 10:40:46,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-10-18 10:40:46,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-10-18 10:40:46,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-10-18 10:40:46,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-10-18 10:40:46,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-10-18 10:40:47,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-10-18 10:40:47,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-10-18 10:40:47,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-10-18 10:40:47,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-10-18 10:40:47,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-10-18 10:40:47,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-10-18 10:40:47,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-10-18 10:40:47,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-10-18 10:40:47,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-10-18 10:40:47,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-10-18 10:40:47,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-10-18 10:40:47,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-10-18 10:40:47,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-10-18 10:40:47,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-10-18 10:40:47,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-10-18 10:40:47,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-10-18 10:40:47,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-10-18 10:40:47,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-10-18 10:40:47,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-10-18 10:40:47,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-10-18 10:40:47,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-10-18 10:40:47,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-10-18 10:40:47,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-10-18 10:40:47,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-10-18 10:40:47,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-10-18 10:40:47,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-10-18 10:40:47,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-10-18 10:40:47,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-10-18 10:40:47,068 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[172521,172534] [2024-10-18 10:40:47,071 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[172881,172894] [2024-10-18 10:40:47,085 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[195820,195833] [2024-10-18 10:40:47,085 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/libvsync/rec_ticketlock.i[195887,195900] [2024-10-18 10:40:47,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 10:40:47,450 INFO L204 MainTranslator]: Completed translation [2024-10-18 10:40:47,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47 WrapperNode [2024-10-18 10:40:47,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 10:40:47,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 10:40:47,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 10:40:47,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 10:40:47,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,627 INFO L138 Inliner]: procedures = 923, calls = 933, calls flagged for inlining = 834, calls inlined = 53, statements flattened = 512 [2024-10-18 10:40:47,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 10:40:47,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 10:40:47,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 10:40:47,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 10:40:47,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 10:40:47,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 10:40:47,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 10:40:47,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 10:40:47,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (1/1) ... [2024-10-18 10:40:47,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 10:40:47,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:40:47,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 10:40:47,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 10:40:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 10:40:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 10:40:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 10:40:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 10:40:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-18 10:40:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-18 10:40:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-18 10:40:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 10:40:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-18 10:40:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 10:40:47,784 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 10:40:47,971 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 10:40:47,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 10:40:48,640 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 10:40:48,641 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 10:40:48,960 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 10:40:48,960 INFO L314 CfgBuilder]: Removed 78 assume(true) statements. [2024-10-18 10:40:48,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:40:48 BoogieIcfgContainer [2024-10-18 10:40:48,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 10:40:48,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 10:40:48,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 10:40:48,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 10:40:48,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 10:40:45" (1/3) ... [2024-10-18 10:40:48,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c799b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:40:48, skipping insertion in model container [2024-10-18 10:40:48,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:40:47" (2/3) ... [2024-10-18 10:40:48,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c799b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:40:48, skipping insertion in model container [2024-10-18 10:40:48,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:40:48" (3/3) ... [2024-10-18 10:40:48,970 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2024-10-18 10:40:48,987 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 10:40:48,987 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-10-18 10:40:48,987 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 10:40:49,096 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-18 10:40:49,146 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 10:40:49,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 10:40:49,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:40:49,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 10:40:49,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 10:40:49,287 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 10:40:49,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:40:49,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread1of1ForFork0 ======== [2024-10-18 10:40:49,314 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;@5408920e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 10:40:49,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 10:40:49,937 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:40:49,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:40:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1166657820, now seen corresponding path program 1 times [2024-10-18 10:40:49,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:40:49,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769635282] [2024-10-18 10:40:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:40:49,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:40:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:40:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 10:40:50,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:40:50,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769635282] [2024-10-18 10:40:50,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769635282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:40:50,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 10:40:50,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 10:40:50,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376793028] [2024-10-18 10:40:50,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:40:50,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-18 10:40:50,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:40:50,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-18 10:40:50,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-18 10:40:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:50,165 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:40:50,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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) [2024-10-18 10:40:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:50,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 10:40:50,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:40:50,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:40:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1705556324, now seen corresponding path program 1 times [2024-10-18 10:40:50,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:40:50,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879426451] [2024-10-18 10:40:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:40:50,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:40:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:40:50,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:40:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:40:50,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879426451] [2024-10-18 10:40:50,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879426451] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:40:50,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174535709] [2024-10-18 10:40:50,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:40:50,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:40:50,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:40:50,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:40:50,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 10:40:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:40:50,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-18 10:40:50,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:40:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:40:51,145 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 10:40:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:40:51,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174535709] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 10:40:51,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 10:40:51,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-10-18 10:40:51,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076012113] [2024-10-18 10:40:51,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 10:40:51,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 10:40:51,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:40:51,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 10:40:51,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-18 10:40:51,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:51,280 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:40:51,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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) [2024-10-18 10:40:51,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:51,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 10:40:51,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-18 10:40:51,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-18 10:40:51,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:40:51,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:40:51,816 INFO L85 PathProgramCache]: Analyzing trace with hash -688402377, now seen corresponding path program 1 times [2024-10-18 10:40:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:40:51,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382244547] [2024-10-18 10:40:51,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:40:51,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:40:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:40:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:40:52,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:40:52,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382244547] [2024-10-18 10:40:52,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382244547] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:40:52,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648152153] [2024-10-18 10:40:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:40:52,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:40:52,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:40:52,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:40:52,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 10:40:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:40:52,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-18 10:40:52,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:40:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:40:52,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 10:40:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:40:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648152153] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 10:40:52,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 10:40:52,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-10-18 10:40:52,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518185142] [2024-10-18 10:40:52,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 10:40:52,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 10:40:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:40:52,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 10:40:52,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-10-18 10:40:52,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:52,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:40:52,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-18 10:40:52,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:40:52,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 10:40:52,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:02,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:02,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 10:41:02,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-18 10:41:02,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-18 10:41:02,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-18 10:41:02,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location runErr1ASSERT_VIOLATIONUNKNOWN (0 of 3 remaining) [2024-10-18 10:41:02,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 10:41:02,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:41:02,509 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-18 10:41:02,510 INFO L312 ceAbstractionStarter]: Result for error location runThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2024-10-18 10:41:02,515 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 10:41:02,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 10:41:02,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:41:02,518 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 10:41:02,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-18 10:41:02,583 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 10:41:02,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:02,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 10:41:02,584 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;@5408920e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 10:41:02,584 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 10:41:02,829 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 10:41:02,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:02,830 INFO L85 PathProgramCache]: Analyzing trace with hash 185304202, now seen corresponding path program 1 times [2024-10-18 10:41:02,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:02,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421612866] [2024-10-18 10:41:02,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:02,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-18 10:41:02,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:02,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421612866] [2024-10-18 10:41:02,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421612866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:02,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 10:41:02,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 10:41:02,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181447230] [2024-10-18 10:41:02,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:02,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-18 10:41:02,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:02,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-18 10:41:02,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-18 10:41:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:02,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:41:02,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-18 10:41:02,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:02,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:02,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 10:41:02,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-18 10:41:02,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash -909967323, now seen corresponding path program 1 times [2024-10-18 10:41:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:02,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407408311] [2024-10-18 10:41:02,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:02,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 10:41:02,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 10:41:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 10:41:02,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-18 10:41:02,963 INFO L332 BasicCegarLoop]: Counterexample is feasible [2024-10-18 10:41:02,963 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-10-18 10:41:02,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-18 10:41:02,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-10-18 10:41:02,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-18 10:41:02,966 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-18 10:41:02,967 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2024-10-18 10:41:02,968 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-18 10:41:02,968 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-18 10:41:03,061 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 10:41:03,065 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 10:41:03,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 10:41:03,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:41:03,067 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 10:41:03,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-10-18 10:41:03,213 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 10:41:03,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:03,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == runThread2of2ForFork0 ======== [2024-10-18 10:41:03,214 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;@5408920e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 10:41:03,214 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-18 10:41:05,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:41:05,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:05,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1733619317, now seen corresponding path program 1 times [2024-10-18 10:41:05,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:05,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747570099] [2024-10-18 10:41:05,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:05,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-10-18 10:41:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747570099] [2024-10-18 10:41:05,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747570099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:05,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 10:41:05,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-18 10:41:05,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644270300] [2024-10-18 10:41:05,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:05,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-18 10:41:05,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-18 10:41:05,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-18 10:41:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:05,602 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:41:05,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2024-10-18 10:41:05,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:05,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-18 10:41:05,982 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:41:05,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:05,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1555698276, now seen corresponding path program 1 times [2024-10-18 10:41:05,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:05,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314660756] [2024-10-18 10:41:05,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:05,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-10-18 10:41:06,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:06,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314660756] [2024-10-18 10:41:06,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314660756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:06,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 10:41:06,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 10:41:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431832036] [2024-10-18 10:41:06,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:06,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 10:41:06,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:06,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 10:41:06,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 10:41:06,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:06,154 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:41:06,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) [2024-10-18 10:41:06,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:06,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:06,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-18 10:41:06,257 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:41:06,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:06,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1893104088, now seen corresponding path program 1 times [2024-10-18 10:41:06,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:06,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303723015] [2024-10-18 10:41:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:06,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-10-18 10:41:06,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:06,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303723015] [2024-10-18 10:41:06,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303723015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:06,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 10:41:06,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 10:41:06,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647320740] [2024-10-18 10:41:06,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:06,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 10:41:06,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:06,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-18 10:41:06,576 INFO L85 PathProgramCache]: Analyzing trace with hash -991400538, now seen corresponding path program 1 times [2024-10-18 10:41:06,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:06,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:41:06,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:06,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 10:41:06,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 10:41:06,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-18 10:41:06,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:06,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:41:06,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 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) [2024-10-18 10:41:06,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:06,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:06,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:07,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9 [2024-10-18 10:41:07,834 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:41:07,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:07,835 INFO L85 PathProgramCache]: Analyzing trace with hash -821200291, now seen corresponding path program 1 times [2024-10-18 10:41:07,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:07,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103208430] [2024-10-18 10:41:07,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:07,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 71 proven. 20 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-18 10:41:08,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:08,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103208430] [2024-10-18 10:41:08,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103208430] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:41:08,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386695593] [2024-10-18 10:41:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:08,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:41:08,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:41:08,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:41:08,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 10:41:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:08,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 10:41:08,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:41:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-10-18 10:41:08,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 10:41:08,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386695593] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:08,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 10:41:08,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-18 10:41:08,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774940970] [2024-10-18 10:41:08,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:08,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 10:41:08,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:08,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 10:41:08,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 10:41:08,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:08,487 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:41:08,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2024-10-18 10:41:08,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:08,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:08,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:08,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:09,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:09,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 10:41:10,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:41:10,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:41:10,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:10,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1000837058, now seen corresponding path program 1 times [2024-10-18 10:41:10,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:10,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908790631] [2024-10-18 10:41:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:10,504 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 266 proven. 17 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-18 10:41:10,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:10,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908790631] [2024-10-18 10:41:10,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908790631] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:41:10,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716289837] [2024-10-18 10:41:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:10,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:41:10,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:41:10,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:41:10,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 10:41:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:11,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 10:41:11,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:41:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-18 10:41:11,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 10:41:11,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716289837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:11,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 10:41:11,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-18 10:41:11,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536818026] [2024-10-18 10:41:11,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:11,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 10:41:11,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:11,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2024-10-18 10:41:11,326 INFO L85 PathProgramCache]: Analyzing trace with hash -298641201, now seen corresponding path program 1 times [2024-10-18 10:41:11,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:11,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 10:41:11,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:11,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 10:41:12,478 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-10-18 10:41:12,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1196 treesize of output 1016 [2024-10-18 10:41:12,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-10-18 10:41:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:12,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-10-18 10:41:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:14,753 INFO L85 PathProgramCache]: Analyzing trace with hash -667948418, now seen corresponding path program 1 times [2024-10-18 10:41:14,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:14,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 10:41:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-18 10:41:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 10:41:16,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-18 10:41:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:16,151 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:41:16,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 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) [2024-10-18 10:41:16,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:16,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:16,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:16,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:16,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:41:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:41:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:17,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:17,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:41:17,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 10:41:18,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 10:41:18,150 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:41:18,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:41:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash -93171638, now seen corresponding path program 1 times [2024-10-18 10:41:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:41:18,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244656589] [2024-10-18 10:41:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5829 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2024-10-18 10:41:18,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:41:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244656589] [2024-10-18 10:41:18,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244656589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:41:18,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 10:41:18,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 10:41:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521122693] [2024-10-18 10:41:18,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:41:18,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 10:41:18,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:41:19,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2024-10-18 10:41:19,057 INFO L85 PathProgramCache]: Analyzing trace with hash -111308143, now seen corresponding path program 1 times [2024-10-18 10:41:19,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:19,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-18 10:41:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-18 10:41:23,172 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-10-18 10:41:23,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1196 treesize of output 1016 [2024-10-18 10:41:23,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-10-18 10:41:23,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:23,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-10-18 10:41:23,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:25,382 INFO L85 PathProgramCache]: Analyzing trace with hash 844407104, now seen corresponding path program 1 times [2024-10-18 10:41:25,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-18 10:41:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:27,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-10-18 10:41:29,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 321 treesize of output 297 [2024-10-18 10:41:31,868 INFO L85 PathProgramCache]: Analyzing trace with hash 406809000, now seen corresponding path program 1 times [2024-10-18 10:41:31,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:31,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-18 10:41:32,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:32,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-18 10:41:33,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-18 10:41:33,372 INFO L85 PathProgramCache]: Analyzing trace with hash 101196897, now seen corresponding path program 1 times [2024-10-18 10:41:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-18 10:41:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:34,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:34,780 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-18 10:41:34,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 660 treesize of output 612 [2024-10-18 10:41:37,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1534242953, now seen corresponding path program 1 times [2024-10-18 10:41:37,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:37,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-18 10:41:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:37,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-10-18 10:41:38,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2024-10-18 10:41:38,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1250742410, now seen corresponding path program 1 times [2024-10-18 10:41:38,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:38,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-10-18 10:41:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-10-18 10:41:41,624 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-10-18 10:41:41,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2378 treesize of output 2014 [2024-10-18 10:41:41,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-10-18 10:41:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:41,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2024-10-18 10:41:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:41,922 INFO L85 PathProgramCache]: Analyzing trace with hash 118301137, now seen corresponding path program 1 times [2024-10-18 10:41:41,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:41,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-10-18 10:41:43,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:43,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-10-18 10:41:45,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 321 treesize of output 297 [2024-10-18 10:41:45,516 INFO L85 PathProgramCache]: Analyzing trace with hash -627639647, now seen corresponding path program 1 times [2024-10-18 10:41:45,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:45,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-10-18 10:41:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-10-18 10:41:47,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-18 10:41:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1866512294, now seen corresponding path program 1 times [2024-10-18 10:41:47,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-10-18 10:41:47,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:47,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-10-18 10:41:48,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 660 treesize of output 612 [2024-10-18 10:41:48,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1577797232, now seen corresponding path program 1 times [2024-10-18 10:41:48,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-18 10:41:49,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:49,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-10-18 10:41:49,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-18 10:41:49,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1044489030, now seen corresponding path program 1 times [2024-10-18 10:41:49,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:49,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-10-18 10:41:51,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:51,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-10-18 10:41:53,274 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-10-18 10:41:53,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 585 treesize of output 497 [2024-10-18 10:41:53,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-10-18 10:41:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:53,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-10-18 10:41:53,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:41:53,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1268121781, now seen corresponding path program 1 times [2024-10-18 10:41:53,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:53,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-10-18 10:41:55,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:55,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-10-18 10:41:56,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-18 10:41:56,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1706003593, now seen corresponding path program 1 times [2024-10-18 10:41:56,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:56,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-18 10:41:58,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:41:58,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:41:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:41:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-18 10:42:00,009 INFO L349 Elim1Store]: treesize reduction 9, result has 30.8 percent of original size [2024-10-18 10:42:00,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2378 treesize of output 2014 [2024-10-18 10:42:00,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-10-18 10:42:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:42:00,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-10-18 10:42:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:42:00,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1207784626, now seen corresponding path program 1 times [2024-10-18 10:42:00,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:00,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-18 10:42:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:02,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-18 10:42:03,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-10-18 10:42:03,742 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 10:42:03,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 369 treesize of output 317 [2024-10-18 10:42:03,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-10-18 10:42:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:42:03,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-10-18 10:42:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:42:03,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-10-18 10:42:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 10:42:06,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1213390283, now seen corresponding path program 1 times [2024-10-18 10:42:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:06,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-18 10:42:07,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:07,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:09,593 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-10-18 10:42:09,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 10:42:09,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2024-10-18 10:42:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:09,610 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:42:09,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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) [2024-10-18 10:42:09,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:09,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:09,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:09,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:09,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:09,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:09,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable16,SelfDestructingSolverStorable38,SelfDestructingSolverStorable17,SelfDestructingSolverStorable39,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable20,SelfDestructingSolverStorable42,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable43,SelfDestructingSolverStorable22,SelfDestructingSolverStorable44,SelfDestructingSolverStorable23,SelfDestructingSolverStorable45,SelfDestructingSolverStorable24,SelfDestructingSolverStorable46,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 10:42:09,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:42:09,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:42:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1663575030, now seen corresponding path program 1 times [2024-10-18 10:42:09,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:42:09,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461106112] [2024-10-18 10:42:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:09,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1230 proven. 31 refuted. 0 times theorem prover too weak. 4222 trivial. 0 not checked. [2024-10-18 10:42:10,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:42:10,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461106112] [2024-10-18 10:42:10,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461106112] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:42:10,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150443615] [2024-10-18 10:42:10,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:10,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:42:10,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:42:10,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:42:10,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 10:42:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:12,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 5758 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 10:42:12,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:42:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5483 backedges. 1261 proven. 0 refuted. 0 times theorem prover too weak. 4222 trivial. 0 not checked. [2024-10-18 10:42:12,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 10:42:12,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150443615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:42:12,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 10:42:12,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-18 10:42:12,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773022869] [2024-10-18 10:42:12,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:42:12,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 10:42:12,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:42:13,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 10:42:13,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 10:42:13,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:13,193 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:42:13,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.6) internal successors, (228), 5 states have internal predecessors, (228), 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) [2024-10-18 10:42:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:13,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:13,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 10:42:13,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:42:13,730 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting runErr2ASSERT_VIOLATIONERROR_FUNCTION === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:42:13,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:42:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1362950769, now seen corresponding path program 1 times [2024-10-18 10:42:13,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:42:13,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186755523] [2024-10-18 10:42:13,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:13,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:14,189 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-18 10:42:14,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:42:14,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186755523] [2024-10-18 10:42:14,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186755523] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:42:14,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562133545] [2024-10-18 10:42:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:14,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:42:14,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:42:14,192 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:42:14,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 10:42:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:15,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-18 10:42:15,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:42:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 10:42:15,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 10:42:15,270 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 10:42:15,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562133545] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 10:42:15,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 10:42:15,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 16 [2024-10-18 10:42:15,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516512154] [2024-10-18 10:42:15,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 10:42:15,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 10:42:15,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:42:15,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 10:42:15,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-10-18 10:42:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:15,289 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:42:15,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.375) internal successors, (246), 16 states have internal predecessors, (246), 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) [2024-10-18 10:42:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:15,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:27,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:27,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 10:42:27,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-18 10:42:28,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-18 10:42:28,057 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:42:28,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:42:28,057 INFO L85 PathProgramCache]: Analyzing trace with hash 41303420, now seen corresponding path program 1 times [2024-10-18 10:42:28,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:42:28,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967359891] [2024-10-18 10:42:28,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:28,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 2423 proven. 296 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2024-10-18 10:42:28,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:42:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967359891] [2024-10-18 10:42:28,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967359891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:42:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234766101] [2024-10-18 10:42:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:28,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:42:28,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:42:28,887 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:42:28,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-18 10:42:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:30,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 3834 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-18 10:42:30,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:42:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 2719 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2024-10-18 10:42:30,688 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-18 10:42:30,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234766101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 10:42:30,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-18 10:42:30,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-10-18 10:42:30,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014401070] [2024-10-18 10:42:30,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 10:42:30,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 10:42:30,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:42:30,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 10:42:30,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 10:42:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:30,766 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:42:30,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.6) internal successors, (218), 5 states have internal predecessors, (218), 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) [2024-10-18 10:42:30,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:30,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:30,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 10:42:30,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:30,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:30,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:30,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:30,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 10:42:30,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:31,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 10:42:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:31,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-18 10:42:32,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-18 10:42:32,075 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting runErr1ASSERT_VIOLATIONUNKNOWN === [runErr2ASSERT_VIOLATIONERROR_FUNCTION, runErr0ASSERT_VIOLATIONERROR_FUNCTION, runErr1ASSERT_VIOLATIONUNKNOWN] === [2024-10-18 10:42:32,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 10:42:32,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1356099319, now seen corresponding path program 1 times [2024-10-18 10:42:32,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 10:42:32,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085554804] [2024-10-18 10:42:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:32,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 10:42:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 55 proven. 16 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2024-10-18 10:42:32,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 10:42:32,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085554804] [2024-10-18 10:42:32,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085554804] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 10:42:32,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62411807] [2024-10-18 10:42:32,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 10:42:32,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 10:42:32,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 10:42:32,734 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 10:42:32,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-18 10:42:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 10:42:33,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-18 10:42:33,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 10:42:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-10-18 10:42:33,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 10:42:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-10-18 10:42:33,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62411807] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 10:42:33,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 10:42:33,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2024-10-18 10:42:33,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305441706] [2024-10-18 10:42:33,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 10:42:33,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-18 10:42:33,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 10:42:33,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-18 10:42:33,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-18 10:42:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:33,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 10:42:33,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.692307692307692) internal successors, (204), 13 states have internal predecessors, (204), 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) [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 10:42:33,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 10:42:33,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.