./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:07:22,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:07:22,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:07:22,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:07:22,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:07:22,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:07:22,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:07:22,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:07:22,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:07:22,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:07:22,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:07:22,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:07:22,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:07:22,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:07:22,260 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:07:22,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:07:22,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:07:22,262 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:22,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:07:22,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:22,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:07:22,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:07:22,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:07:22,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:07:22,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:07:22,264 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> f024b1564d266942c6fb6d9d8e063348b6cc44533a81967df0d35639486bddfe [2024-11-28 05:07:22,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:07:22,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:07:22,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:07:22,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:07:22,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:07:22,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-28 05:07:25,627 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/data/200c16586/87a4e90a2f7d41c2bcffda81199c591f/FLAG6972d422f [2024-11-28 05:07:26,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:07:26,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i [2024-11-28 05:07:26,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/data/200c16586/87a4e90a2f7d41c2bcffda81199c591f/FLAG6972d422f [2024-11-28 05:07:26,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/data/200c16586/87a4e90a2f7d41c2bcffda81199c591f [2024-11-28 05:07:26,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:07:26,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:07:26,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:26,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:07:26,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:07:26,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:26" (1/1) ... [2024-11-28 05:07:26,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d97da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:26, skipping insertion in model container [2024-11-28 05:07:26,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:26" (1/1) ... [2024-11-28 05:07:26,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:07:29,252 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[193617,193630] [2024-11-28 05:07:29,255 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[193693,193706] [2024-11-28 05:07:29,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196266,196279] [2024-11-28 05:07:29,307 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196373,196386] [2024-11-28 05:07:29,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196444,196457] [2024-11-28 05:07:29,308 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196555,196568] [2024-11-28 05:07:29,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196668,196681] [2024-11-28 05:07:29,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:29,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:07:29,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-28 05:07:29,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-28 05:07:29,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-28 05:07:29,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-28 05:07:29,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-28 05:07:29,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-28 05:07:29,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-28 05:07:29,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-28 05:07:29,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-28 05:07:29,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-28 05:07:29,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-28 05:07:29,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-28 05:07:29,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-28 05:07:29,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-28 05:07:29,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-28 05:07:29,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-28 05:07:29,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-28 05:07:29,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-28 05:07:29,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-28 05:07:29,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-28 05:07:29,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-28 05:07:29,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-28 05:07:29,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-28 05:07:29,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-28 05:07:29,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-28 05:07:29,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-28 05:07:29,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-28 05:07:29,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-28 05:07:29,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-28 05:07:29,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-28 05:07:29,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-28 05:07:29,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-28 05:07:29,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-28 05:07:29,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-28 05:07:29,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-28 05:07:29,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-28 05:07:29,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-28 05:07:29,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-28 05:07:29,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-28 05:07:29,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-28 05:07:29,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-28 05:07:29,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-28 05:07:29,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-28 05:07:29,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-28 05:07:29,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-28 05:07:29,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-28 05:07:29,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-28 05:07:29,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-28 05:07:29,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-28 05:07:29,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-28 05:07:29,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-28 05:07:29,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-28 05:07:29,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-28 05:07:29,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-28 05:07:29,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-28 05:07:29,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-28 05:07:29,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-28 05:07:29,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-28 05:07:29,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-28 05:07:29,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-28 05:07:29,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-28 05:07:29,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-28 05:07:29,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-28 05:07:29,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-28 05:07:29,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-28 05:07:29,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-28 05:07:29,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-28 05:07:29,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-28 05:07:29,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-28 05:07:29,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-28 05:07:29,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-28 05:07:29,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-28 05:07:29,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-28 05:07:29,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-28 05:07:29,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-28 05:07:29,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-28 05:07:29,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-28 05:07:29,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-28 05:07:29,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-28 05:07:29,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-28 05:07:29,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-28 05:07:29,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-28 05:07:29,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-28 05:07:29,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-28 05:07:29,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-28 05:07:29,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-28 05:07:29,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-28 05:07:29,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-28 05:07:29,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-28 05:07:29,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-28 05:07:29,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-28 05:07:29,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-28 05:07:29,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-28 05:07:29,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-28 05:07:29,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-28 05:07:29,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-28 05:07:29,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-28 05:07:29,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-28 05:07:29,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-28 05:07:29,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-28 05:07:29,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[193617,193630] [2024-11-28 05:07:29,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[193693,193706] [2024-11-28 05:07:29,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196266,196279] [2024-11-28 05:07:29,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196373,196386] [2024-11-28 05:07:29,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196444,196457] [2024-11-28 05:07:29,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196555,196568] [2024-11-28 05:07:29,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/sv-benchmarks/c/libvsync/bounded_mpmc_check_full.i[196668,196681] [2024-11-28 05:07:29,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:29,943 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:07:29,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29 WrapperNode [2024-11-28 05:07:29,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:29,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:29,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:07:29,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:07:29,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,089 INFO L138 Inliner]: procedures = 914, calls = 950, calls flagged for inlining = 815, calls inlined = 57, statements flattened = 634 [2024-11-28 05:07:30,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:30,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:07:30,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:07:30,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:07:30,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,156 INFO L175 MemorySlicer]: Split 65 memory accesses to 5 slices as follows [2, 2, 9, 8, 44]. 68 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 5, 4, 6]. The 20 writes are split as follows [0, 1, 2, 3, 14]. [2024-11-28 05:07:30,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:07:30,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:07:30,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:07:30,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:07:30,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (1/1) ... [2024-11-28 05:07:30,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:30,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:30,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1a71bf-c700-4f0c-8dae-adc8202e38dc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 05:07:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:07:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 05:07:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-28 05:07:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 05:07:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 05:07:30,292 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:07:30,550 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:07:30,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:07:31,746 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:07:31,747 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:07:32,436 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:07:32,437 INFO L312 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-28 05:07:32,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:32 BoogieIcfgContainer [2024-11-28 05:07:32,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:07:32,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:07:32,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:07:32,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:07:32,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:07:26" (1/3) ... [2024-11-28 05:07:32,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35185fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:32, skipping insertion in model container [2024-11-28 05:07:32,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:29" (2/3) ... [2024-11-28 05:07:32,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35185fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:32, skipping insertion in model container [2024-11-28 05:07:32,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:32" (3/3) ... [2024-11-28 05:07:32,452 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_full.i [2024-11-28 05:07:32,469 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:07:32,471 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_full.i that has 2 procedures, 125 locations, 1 initial locations, 23 loop locations, and 7 error locations. [2024-11-28 05:07:32,471 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:07:32,589 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 05:07:32,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 179 transitions, 365 flow [2024-11-28 05:07:32,759 INFO L124 PetriNetUnfolderBase]: 96/308 cut-off events. [2024-11-28 05:07:32,763 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:07:32,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 308 events. 96/308 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 895 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 153. Up to 6 conditions per place. [2024-11-28 05:07:32,769 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 179 transitions, 365 flow [2024-11-28 05:07:32,780 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 179 transitions, 365 flow [2024-11-28 05:07:32,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:07:32,810 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=PETRI_NET, 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;@534c1c39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:07:32,810 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 05:07:32,815 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:07:32,815 INFO L124 PetriNetUnfolderBase]: 3/7 cut-off events. [2024-11-28 05:07:32,815 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:07:32,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:32,816 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-28 05:07:32,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:32,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:32,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1912971, now seen corresponding path program 1 times [2024-11-28 05:07:32,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:32,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916856833] [2024-11-28 05:07:32,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:32,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:33,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:33,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916856833] [2024-11-28 05:07:33,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916856833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:33,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:33,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416159938] [2024-11-28 05:07:33,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:33,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:33,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:33,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:33,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:33,225 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 179 [2024-11-28 05:07:33,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 179 transitions, 365 flow. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:33,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:33,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 179 [2024-11-28 05:07:33,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:34,247 INFO L124 PetriNetUnfolderBase]: 1229/2739 cut-off events. [2024-11-28 05:07:34,248 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:07:34,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4973 conditions, 2739 events. 1229/2739 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 15158 event pairs, 864 based on Foata normal form. 510/2775 useless extension candidates. Maximal degree in co-relation 4778. Up to 2220 conditions per place. [2024-11-28 05:07:34,267 INFO L140 encePairwiseOnDemand]: 136/179 looper letters, 91 selfloop transitions, 2 changer transitions 5/136 dead transitions. [2024-11-28 05:07:34,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 136 transitions, 469 flow [2024-11-28 05:07:34,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 262 transitions. [2024-11-28 05:07:34,281 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48789571694599626 [2024-11-28 05:07:34,283 INFO L175 Difference]: Start difference. First operand has 128 places, 179 transitions, 365 flow. Second operand 3 states and 262 transitions. [2024-11-28 05:07:34,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 136 transitions, 469 flow [2024-11-28 05:07:34,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 136 transitions, 469 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:07:34,292 INFO L231 Difference]: Finished difference. Result has 128 places, 131 transitions, 273 flow [2024-11-28 05:07:34,295 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=128, PETRI_TRANSITIONS=131} [2024-11-28 05:07:34,301 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, 0 predicate places. [2024-11-28 05:07:34,301 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 131 transitions, 273 flow [2024-11-28 05:07:34,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:34,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:34,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 05:07:34,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:07:34,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:34,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:34,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1838511137, now seen corresponding path program 1 times [2024-11-28 05:07:34,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:34,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116859318] [2024-11-28 05:07:34,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:34,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:34,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:34,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116859318] [2024-11-28 05:07:34,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116859318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:34,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:34,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:34,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070023026] [2024-11-28 05:07:34,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:34,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:34,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:34,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:34,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:34,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 179 [2024-11-28 05:07:34,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 131 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:34,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:34,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 179 [2024-11-28 05:07:34,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:35,156 INFO L124 PetriNetUnfolderBase]: 1189/2607 cut-off events. [2024-11-28 05:07:35,156 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:07:35,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4768 conditions, 2607 events. 1189/2607 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 14374 event pairs, 832 based on Foata normal form. 1/2143 useless extension candidates. Maximal degree in co-relation 4738. Up to 2144 conditions per place. [2024-11-28 05:07:35,171 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 91 selfloop transitions, 2 changer transitions 0/129 dead transitions. [2024-11-28 05:07:35,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 129 transitions, 455 flow [2024-11-28 05:07:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2024-11-28 05:07:35,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.409683426443203 [2024-11-28 05:07:35,176 INFO L175 Difference]: Start difference. First operand has 128 places, 131 transitions, 273 flow. Second operand 3 states and 220 transitions. [2024-11-28 05:07:35,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 129 transitions, 455 flow [2024-11-28 05:07:35,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 129 transitions, 451 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:35,181 INFO L231 Difference]: Finished difference. Result has 121 places, 129 transitions, 269 flow [2024-11-28 05:07:35,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=121, PETRI_TRANSITIONS=129} [2024-11-28 05:07:35,183 INFO L279 CegarLoopForPetriNet]: 128 programPoint places, -7 predicate places. [2024-11-28 05:07:35,185 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 129 transitions, 269 flow [2024-11-28 05:07:35,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:35,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:35,186 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:35,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:07:35,186 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:35,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1311724386, now seen corresponding path program 1 times [2024-11-28 05:07:35,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:35,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673592935] [2024-11-28 05:07:35,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:35,359 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:35,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:07:35,473 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:07:35,474 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-28 05:07:35,475 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-11-28 05:07:35,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-11-28 05:07:35,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-11-28 05:07:35,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-11-28 05:07:35,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-11-28 05:07:35,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-11-28 05:07:35,476 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-11-28 05:07:35,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:07:35,477 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 05:07:35,479 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-28 05:07:35,480 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-28 05:07:35,574 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 05:07:35,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 202 transitions, 420 flow [2024-11-28 05:07:35,674 INFO L124 PetriNetUnfolderBase]: 187/592 cut-off events. [2024-11-28 05:07:35,675 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 05:07:35,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 592 events. 187/592 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2428 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 310. Up to 12 conditions per place. [2024-11-28 05:07:35,680 INFO L82 GeneralOperation]: Start removeDead. Operand has 147 places, 202 transitions, 420 flow [2024-11-28 05:07:35,685 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 202 transitions, 420 flow [2024-11-28 05:07:35,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:07:35,691 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=PETRI_NET, 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;@534c1c39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:07:35,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 05:07:35,694 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:07:35,694 INFO L124 PetriNetUnfolderBase]: 3/7 cut-off events. [2024-11-28 05:07:35,694 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:07:35,694 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:35,694 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-11-28 05:07:35,695 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:35,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:35,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2113557, now seen corresponding path program 1 times [2024-11-28 05:07:35,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:35,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730860414] [2024-11-28 05:07:35,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:35,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:35,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730860414] [2024-11-28 05:07:35,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730860414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:35,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:35,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:35,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131602584] [2024-11-28 05:07:35,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:35,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:35,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:35,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:35,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:35,755 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 202 [2024-11-28 05:07:35,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 202 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:35,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:35,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 202 [2024-11-28 05:07:35,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:44,116 INFO L124 PetriNetUnfolderBase]: 41903/67153 cut-off events. [2024-11-28 05:07:44,116 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES. [2024-11-28 05:07:44,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126961 conditions, 67153 events. 41903/67153 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 893. Compared 479233 event pairs, 31376 based on Foata normal form. 9076/64008 useless extension candidates. Maximal degree in co-relation 97462. Up to 59707 conditions per place. [2024-11-28 05:07:44,537 INFO L140 encePairwiseOnDemand]: 158/202 looper letters, 113 selfloop transitions, 2 changer transitions 5/158 dead transitions. [2024-11-28 05:07:44,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 158 transitions, 566 flow [2024-11-28 05:07:44,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-11-28 05:07:44,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47029702970297027 [2024-11-28 05:07:44,547 INFO L175 Difference]: Start difference. First operand has 147 places, 202 transitions, 420 flow. Second operand 3 states and 285 transitions. [2024-11-28 05:07:44,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 158 transitions, 566 flow [2024-11-28 05:07:44,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 158 transitions, 566 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 05:07:44,556 INFO L231 Difference]: Finished difference. Result has 147 places, 153 transitions, 326 flow [2024-11-28 05:07:44,556 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=147, PETRI_TRANSITIONS=153} [2024-11-28 05:07:44,557 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, 0 predicate places. [2024-11-28 05:07:44,560 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 153 transitions, 326 flow [2024-11-28 05:07:44,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:44,560 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:44,560 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 05:07:44,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:07:44,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:44,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:44,561 INFO L85 PathProgramCache]: Analyzing trace with hash 2031280747, now seen corresponding path program 1 times [2024-11-28 05:07:44,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:44,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105770282] [2024-11-28 05:07:44,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:44,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:44,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:44,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105770282] [2024-11-28 05:07:44,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105770282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:44,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:44,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:44,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782961675] [2024-11-28 05:07:44,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:44,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:44,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:44,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:44,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:44,681 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 202 [2024-11-28 05:07:44,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 153 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:44,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:44,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 202 [2024-11-28 05:07:44,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:50,599 INFO L124 PetriNetUnfolderBase]: 40463/64091 cut-off events. [2024-11-28 05:07:50,600 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES. [2024-11-28 05:07:50,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121814 conditions, 64091 events. 40463/64091 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 893. Compared 450356 event pairs, 30224 based on Foata normal form. 1/52160 useless extension candidates. Maximal degree in co-relation 121783. Up to 57619 conditions per place. [2024-11-28 05:07:50,815 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 113 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-11-28 05:07:50,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 151 transitions, 552 flow [2024-11-28 05:07:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2024-11-28 05:07:50,817 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39933993399339934 [2024-11-28 05:07:50,817 INFO L175 Difference]: Start difference. First operand has 147 places, 153 transitions, 326 flow. Second operand 3 states and 242 transitions. [2024-11-28 05:07:50,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 151 transitions, 552 flow [2024-11-28 05:07:50,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 151 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:50,821 INFO L231 Difference]: Finished difference. Result has 140 places, 151 transitions, 322 flow [2024-11-28 05:07:50,821 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=140, PETRI_TRANSITIONS=151} [2024-11-28 05:07:50,822 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -7 predicate places. [2024-11-28 05:07:50,822 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 151 transitions, 322 flow [2024-11-28 05:07:50,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:50,822 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:50,822 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:50,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:07:50,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:50,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:50,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1788837764, now seen corresponding path program 1 times [2024-11-28 05:07:50,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:50,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341084769] [2024-11-28 05:07:50,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:50,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:51,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:51,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341084769] [2024-11-28 05:07:51,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341084769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:51,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:51,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:07:51,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658768576] [2024-11-28 05:07:51,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:51,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:07:51,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:51,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:07:51,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:07:51,112 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:07:51,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 151 transitions, 322 flow. Second operand has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:51,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:51,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:07:51,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:57,754 INFO L124 PetriNetUnfolderBase]: 39765/66688 cut-off events. [2024-11-28 05:07:57,754 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-28 05:07:57,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123424 conditions, 66688 events. 39765/66688 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 1019. Compared 520215 event pairs, 1 based on Foata normal form. 0/54660 useless extension candidates. Maximal degree in co-relation 123393. Up to 54878 conditions per place. [2024-11-28 05:07:58,014 INFO L140 encePairwiseOnDemand]: 198/202 looper letters, 213 selfloop transitions, 4 changer transitions 0/252 dead transitions. [2024-11-28 05:07:58,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 252 transitions, 956 flow [2024-11-28 05:07:58,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:07:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 05:07:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 435 transitions. [2024-11-28 05:07:58,017 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4306930693069307 [2024-11-28 05:07:58,017 INFO L175 Difference]: Start difference. First operand has 140 places, 151 transitions, 322 flow. Second operand 5 states and 435 transitions. [2024-11-28 05:07:58,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 252 transitions, 956 flow [2024-11-28 05:07:58,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 252 transitions, 948 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:07:58,025 INFO L231 Difference]: Finished difference. Result has 140 places, 151 transitions, 324 flow [2024-11-28 05:07:58,026 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=324, PETRI_PLACES=140, PETRI_TRANSITIONS=151} [2024-11-28 05:07:58,026 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -7 predicate places. [2024-11-28 05:07:58,027 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 151 transitions, 324 flow [2024-11-28 05:07:58,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.4) internal successors, (232), 5 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:58,027 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:58,027 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:58,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:07:58,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:58,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:58,029 INFO L85 PathProgramCache]: Analyzing trace with hash -51157408, now seen corresponding path program 1 times [2024-11-28 05:07:58,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:58,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123665694] [2024-11-28 05:07:58,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:58,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:58,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:58,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:58,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123665694] [2024-11-28 05:07:58,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123665694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:58,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:58,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:58,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186916380] [2024-11-28 05:07:58,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:58,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:58,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:58,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:58,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:58,262 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:07:58,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 151 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:58,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:58,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:07:58,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:59,750 INFO L124 PetriNetUnfolderBase]: 4813/8905 cut-off events. [2024-11-28 05:07:59,750 INFO L125 PetriNetUnfolderBase]: For 1204/1204 co-relation queries the response was YES. [2024-11-28 05:07:59,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17683 conditions, 8905 events. 4813/8905 cut-off events. For 1204/1204 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 54967 event pairs, 2448 based on Foata normal form. 0/7451 useless extension candidates. Maximal degree in co-relation 10514. Up to 5805 conditions per place. [2024-11-28 05:07:59,765 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 158 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-28 05:07:59,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 195 transitions, 736 flow [2024-11-28 05:07:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 289 transitions. [2024-11-28 05:07:59,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4768976897689769 [2024-11-28 05:07:59,767 INFO L175 Difference]: Start difference. First operand has 140 places, 151 transitions, 324 flow. Second operand 3 states and 289 transitions. [2024-11-28 05:07:59,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 195 transitions, 736 flow [2024-11-28 05:07:59,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 195 transitions, 734 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:07:59,771 INFO L231 Difference]: Finished difference. Result has 142 places, 152 transitions, 334 flow [2024-11-28 05:07:59,772 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=142, PETRI_TRANSITIONS=152} [2024-11-28 05:07:59,775 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -5 predicate places. [2024-11-28 05:07:59,775 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 152 transitions, 334 flow [2024-11-28 05:07:59,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:59,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:59,775 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:59,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:07:59,776 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:07:59,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:59,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1415130108, now seen corresponding path program 1 times [2024-11-28 05:07:59,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:59,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239774093] [2024-11-28 05:07:59,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:59,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:59,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:59,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239774093] [2024-11-28 05:07:59,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239774093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:59,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:59,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:59,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957062456] [2024-11-28 05:07:59,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:59,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:59,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:59,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:59,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:59,963 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:07:59,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 152 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:59,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:59,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:07:59,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:08:01,259 INFO L124 PetriNetUnfolderBase]: 8074/13945 cut-off events. [2024-11-28 05:08:01,259 INFO L125 PetriNetUnfolderBase]: For 5081/5081 co-relation queries the response was YES. [2024-11-28 05:08:01,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28789 conditions, 13945 events. 8074/13945 cut-off events. For 5081/5081 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 85363 event pairs, 3875 based on Foata normal form. 0/11795 useless extension candidates. Maximal degree in co-relation 13836. Up to 7817 conditions per place. [2024-11-28 05:08:01,296 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 217 selfloop transitions, 2 changer transitions 0/254 dead transitions. [2024-11-28 05:08:01,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 254 transitions, 997 flow [2024-11-28 05:08:01,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:08:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 346 transitions. [2024-11-28 05:08:01,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.570957095709571 [2024-11-28 05:08:01,298 INFO L175 Difference]: Start difference. First operand has 142 places, 152 transitions, 334 flow. Second operand 3 states and 346 transitions. [2024-11-28 05:08:01,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 254 transitions, 997 flow [2024-11-28 05:08:01,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 254 transitions, 993 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:08:01,305 INFO L231 Difference]: Finished difference. Result has 144 places, 153 transitions, 344 flow [2024-11-28 05:08:01,306 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=144, PETRI_TRANSITIONS=153} [2024-11-28 05:08:01,306 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -3 predicate places. [2024-11-28 05:08:01,306 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 153 transitions, 344 flow [2024-11-28 05:08:01,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:01,307 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:08:01,307 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:01,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:08:01,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:08:01,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1886452729, now seen corresponding path program 1 times [2024-11-28 05:08:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617306382] [2024-11-28 05:08:01,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:01,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:08:01,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:01,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617306382] [2024-11-28 05:08:01,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617306382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:01,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:01,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:08:01,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818026827] [2024-11-28 05:08:01,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:01,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:08:01,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:01,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:08:01,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:08:01,446 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:08:01,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 153 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:01,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:08:01,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:08:01,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:08:03,617 INFO L124 PetriNetUnfolderBase]: 13216/22288 cut-off events. [2024-11-28 05:08:03,617 INFO L125 PetriNetUnfolderBase]: For 7406/7406 co-relation queries the response was YES. [2024-11-28 05:08:03,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47306 conditions, 22288 events. 13216/22288 cut-off events. For 7406/7406 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 140328 event pairs, 6104 based on Foata normal form. 0/19164 useless extension candidates. Maximal degree in co-relation 35894. Up to 12908 conditions per place. [2024-11-28 05:08:03,666 INFO L140 encePairwiseOnDemand]: 199/202 looper letters, 216 selfloop transitions, 2 changer transitions 0/253 dead transitions. [2024-11-28 05:08:03,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 253 transitions, 1004 flow [2024-11-28 05:08:03,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:08:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:08:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2024-11-28 05:08:03,667 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5676567656765676 [2024-11-28 05:08:03,667 INFO L175 Difference]: Start difference. First operand has 144 places, 153 transitions, 344 flow. Second operand 3 states and 344 transitions. [2024-11-28 05:08:03,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 253 transitions, 1004 flow [2024-11-28 05:08:03,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 253 transitions, 1000 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:08:03,674 INFO L231 Difference]: Finished difference. Result has 146 places, 154 transitions, 354 flow [2024-11-28 05:08:03,674 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=146, PETRI_TRANSITIONS=154} [2024-11-28 05:08:03,675 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -1 predicate places. [2024-11-28 05:08:03,675 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 154 transitions, 354 flow [2024-11-28 05:08:03,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:03,675 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:08:03,675 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:03,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:08:03,675 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:08:03,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:03,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1531738732, now seen corresponding path program 1 times [2024-11-28 05:08:03,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:03,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720459864] [2024-11-28 05:08:03,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:03,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:08:03,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:03,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720459864] [2024-11-28 05:08:03,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720459864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:03,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:03,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:08:03,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280833698] [2024-11-28 05:08:03,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:03,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:03,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:03,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:03,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:03,837 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:08:03,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 154 transitions, 354 flow. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:03,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:08:03,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:08:03,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:08:06,551 INFO L124 PetriNetUnfolderBase]: 15076/25705 cut-off events. [2024-11-28 05:08:06,551 INFO L125 PetriNetUnfolderBase]: For 8883/8883 co-relation queries the response was YES. [2024-11-28 05:08:06,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55121 conditions, 25705 events. 15076/25705 cut-off events. For 8883/8883 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 167694 event pairs, 10169 based on Foata normal form. 0/22500 useless extension candidates. Maximal degree in co-relation 42855. Up to 20735 conditions per place. [2024-11-28 05:08:06,648 INFO L140 encePairwiseOnDemand]: 197/202 looper letters, 288 selfloop transitions, 4 changer transitions 0/327 dead transitions. [2024-11-28 05:08:06,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 327 transitions, 1342 flow [2024-11-28 05:08:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:06,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:08:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 457 transitions. [2024-11-28 05:08:06,650 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5655940594059405 [2024-11-28 05:08:06,650 INFO L175 Difference]: Start difference. First operand has 146 places, 154 transitions, 354 flow. Second operand 4 states and 457 transitions. [2024-11-28 05:08:06,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 327 transitions, 1342 flow [2024-11-28 05:08:06,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 327 transitions, 1336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:08:06,665 INFO L231 Difference]: Finished difference. Result has 150 places, 157 transitions, 380 flow [2024-11-28 05:08:06,665 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=380, PETRI_PLACES=150, PETRI_TRANSITIONS=157} [2024-11-28 05:08:06,666 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, 3 predicate places. [2024-11-28 05:08:06,666 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 157 transitions, 380 flow [2024-11-28 05:08:06,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:06,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:08:06,667 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:06,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:08:06,667 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:08:06,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:06,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1454572329, now seen corresponding path program 1 times [2024-11-28 05:08:06,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:06,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708857262] [2024-11-28 05:08:06,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:06,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:08:06,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:06,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708857262] [2024-11-28 05:08:06,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708857262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:06,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:06,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:08:06,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178150224] [2024-11-28 05:08:06,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:06,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:06,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:06,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:06,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:06,876 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:08:06,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 157 transitions, 380 flow. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:06,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:08:06,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:08:06,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:08:09,822 INFO L124 PetriNetUnfolderBase]: 17170/29203 cut-off events. [2024-11-28 05:08:09,822 INFO L125 PetriNetUnfolderBase]: For 14217/14217 co-relation queries the response was YES. [2024-11-28 05:08:09,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67060 conditions, 29203 events. 17170/29203 cut-off events. For 14217/14217 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 191479 event pairs, 11813 based on Foata normal form. 0/26188 useless extension candidates. Maximal degree in co-relation 55644. Up to 23687 conditions per place. [2024-11-28 05:08:09,927 INFO L140 encePairwiseOnDemand]: 197/202 looper letters, 291 selfloop transitions, 4 changer transitions 0/330 dead transitions. [2024-11-28 05:08:09,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 330 transitions, 1404 flow [2024-11-28 05:08:09,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:08:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:08:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 453 transitions. [2024-11-28 05:08:09,929 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5606435643564357 [2024-11-28 05:08:09,929 INFO L175 Difference]: Start difference. First operand has 150 places, 157 transitions, 380 flow. Second operand 4 states and 453 transitions. [2024-11-28 05:08:09,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 330 transitions, 1404 flow [2024-11-28 05:08:09,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 330 transitions, 1398 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:08:09,952 INFO L231 Difference]: Finished difference. Result has 154 places, 160 transitions, 406 flow [2024-11-28 05:08:09,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=406, PETRI_PLACES=154, PETRI_TRANSITIONS=160} [2024-11-28 05:08:09,953 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, 7 predicate places. [2024-11-28 05:08:09,953 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 160 transitions, 406 flow [2024-11-28 05:08:09,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:09,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:08:09,953 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:08:09,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:08:09,954 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-11-28 05:08:09,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:08:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2021779685, now seen corresponding path program 1 times [2024-11-28 05:08:09,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:08:09,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461356342] [2024-11-28 05:08:09,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:08:09,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:08:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:08:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:08:10,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:08:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461356342] [2024-11-28 05:08:10,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461356342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:08:10,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:08:10,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:08:10,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081701684] [2024-11-28 05:08:10,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:08:10,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:08:10,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:08:10,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:08:10,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:08:10,123 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 202 [2024-11-28 05:08:10,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 160 transitions, 406 flow. Second operand has 4 states, 4 states have (on average 53.0) internal successors, (212), 4 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:08:10,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:08:10,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 202 [2024-11-28 05:08:10,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand