./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/libvsync/bounded_spsc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/bounded_spsc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93808a150a8803e907bade039c6d51db8f9a81931409074d169ee410e6e3b34e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:34,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:35,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 21:56:35,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:35,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:35,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:35,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:35,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:35,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:35,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:35,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:35,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:35,107 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:35,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:35,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:35,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:35,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:35,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:35,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:35,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:35,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:35,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:35,112 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 21:56:35,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:35,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:35,113 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:35,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:35,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:35,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:35,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:35,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:35,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:35,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:35,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:35,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:35,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:35,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:35,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:35,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:35,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:35,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:35,122 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93808a150a8803e907bade039c6d51db8f9a81931409074d169ee410e6e3b34e [2024-10-31 21:56:35,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:35,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:35,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:35,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:35,492 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:35,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/libvsync/bounded_spsc.i Unable to find full path for "g++" [2024-10-31 21:56:37,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:38,264 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:38,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/sv-benchmarks/c/libvsync/bounded_spsc.i [2024-10-31 21:56:38,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/data/1771b1415/e35dab2914dc4e42a133e7dc2ca95ff1/FLAG8649c3fd5 [2024-10-31 21:56:38,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/data/1771b1415/e35dab2914dc4e42a133e7dc2ca95ff1 [2024-10-31 21:56:38,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:38,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:38,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:38,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:38,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:38,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:38" (1/1) ... [2024-10-31 21:56:38,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29792d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:38, skipping insertion in model container [2024-10-31 21:56:38,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:38" (1/1) ... [2024-10-31 21:56:38,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:42,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:42,590 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:42,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4397] [2024-10-31 21:56:42,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4399] [2024-10-31 21:56:42,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4404] [2024-10-31 21:56:42,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4406] [2024-10-31 21:56:42,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4412] [2024-10-31 21:56:42,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-10-31 21:56:42,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4420] [2024-10-31 21:56:42,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4422] [2024-10-31 21:56:42,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4428] [2024-10-31 21:56:42,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4430] [2024-10-31 21:56:42,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4436] [2024-10-31 21:56:42,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4438] [2024-10-31 21:56:42,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-10-31 21:56:42,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4446] [2024-10-31 21:56:42,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4452] [2024-10-31 21:56:42,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4454] [2024-10-31 21:56:42,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4459] [2024-10-31 21:56:42,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4461] [2024-10-31 21:56:42,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4466] [2024-10-31 21:56:42,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4468] [2024-10-31 21:56:42,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-10-31 21:56:42,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4475] [2024-10-31 21:56:42,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-10-31 21:56:42,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4482] [2024-10-31 21:56:42,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4487] [2024-10-31 21:56:42,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4489] [2024-10-31 21:56:42,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4494] [2024-10-31 21:56:42,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4497] [2024-10-31 21:56:42,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-10-31 21:56:42,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4506] [2024-10-31 21:56:42,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4512] [2024-10-31 21:56:42,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4515] [2024-10-31 21:56:42,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4521] [2024-10-31 21:56:42,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4524] [2024-10-31 21:56:42,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4530] [2024-10-31 21:56:42,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4533] [2024-10-31 21:56:42,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4539] [2024-10-31 21:56:42,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4542] [2024-10-31 21:56:42,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-10-31 21:56:42,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4552] [2024-10-31 21:56:42,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4559] [2024-10-31 21:56:42,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4562] [2024-10-31 21:56:42,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4569] [2024-10-31 21:56:42,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4572] [2024-10-31 21:56:42,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4579] [2024-10-31 21:56:42,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-10-31 21:56:42,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4589] [2024-10-31 21:56:42,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4592] [2024-10-31 21:56:42,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4599] [2024-10-31 21:56:42,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4602] [2024-10-31 21:56:42,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4608] [2024-10-31 21:56:42,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4611] [2024-10-31 21:56:42,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4617] [2024-10-31 21:56:42,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4620] [2024-10-31 21:56:42,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4626] [2024-10-31 21:56:42,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4629] [2024-10-31 21:56:42,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4635] [2024-10-31 21:56:42,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4638] [2024-10-31 21:56:42,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4644] [2024-10-31 21:56:42,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4647] [2024-10-31 21:56:42,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4653] [2024-10-31 21:56:42,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-10-31 21:56:42,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-10-31 21:56:42,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4665] [2024-10-31 21:56:42,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4671] [2024-10-31 21:56:42,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4674] [2024-10-31 21:56:42,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-10-31 21:56:42,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4683] [2024-10-31 21:56:42,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4689] [2024-10-31 21:56:42,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4692] [2024-10-31 21:56:42,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4698] [2024-10-31 21:56:42,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4701] [2024-10-31 21:56:42,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4707] [2024-10-31 21:56:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-10-31 21:56:42,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4716] [2024-10-31 21:56:42,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4719] [2024-10-31 21:56:42,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4725] [2024-10-31 21:56:42,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-10-31 21:56:42,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4734] [2024-10-31 21:56:42,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4737] [2024-10-31 21:56:42,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4743] [2024-10-31 21:56:42,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4745] [2024-10-31 21:56:42,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4751] [2024-10-31 21:56:42,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4753] [2024-10-31 21:56:42,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4759] [2024-10-31 21:56:42,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4761] [2024-10-31 21:56:42,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4767] [2024-10-31 21:56:42,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4769] [2024-10-31 21:56:42,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4775] [2024-10-31 21:56:42,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4777] [2024-10-31 21:56:42,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4783] [2024-10-31 21:56:42,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4785] [2024-10-31 21:56:42,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4791] [2024-10-31 21:56:42,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4793] [2024-10-31 21:56:42,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4799] [2024-10-31 21:56:42,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4801] [2024-10-31 21:56:42,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4807] [2024-10-31 21:56:42,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4809] [2024-10-31 21:56:42,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4815] [2024-10-31 21:56:42,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4817] [2024-10-31 21:56:42,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:43,391 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:43,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43 WrapperNode [2024-10-31 21:56:43,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:43,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:43,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:43,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:43,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,634 INFO L138 Inliner]: procedures = 948, calls = 963, calls flagged for inlining = 823, calls inlined = 39, statements flattened = 610 [2024-10-31 21:56:43,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:43,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:43,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:43,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:43,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,734 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:43,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:43,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:43,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:43,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (1/1) ... [2024-10-31 21:56:43,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:43,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:43,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48f43d08-fc45-42f6-ba98-083c9fc8e97e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 21:56:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:56:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-31 21:56:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-10-31 21:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-10-31 21:56:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:56:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-31 21:56:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 21:56:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:43,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-31 21:56:43,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 21:56:43,836 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:56:44,066 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:44,069 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:45,365 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:56:45,365 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:45,454 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:45,454 INFO L316 CfgBuilder]: Removed 51 assume(true) statements. [2024-10-31 21:56:45,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:45 BoogieIcfgContainer [2024-10-31 21:56:45,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:45,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:45,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:45,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:45,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:38" (1/3) ... [2024-10-31 21:56:45,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a893e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:45, skipping insertion in model container [2024-10-31 21:56:45,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:43" (2/3) ... [2024-10-31 21:56:45,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a893e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:45, skipping insertion in model container [2024-10-31 21:56:45,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:45" (3/3) ... [2024-10-31 21:56:45,467 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_spsc.i [2024-10-31 21:56:45,487 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:45,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-10-31 21:56:45,487 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:56:45,687 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 21:56:45,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 676 transitions, 1359 flow [2024-10-31 21:56:46,056 INFO L124 PetriNetUnfolderBase]: 86/708 cut-off events. [2024-10-31 21:56:46,057 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 21:56:46,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 708 events. 86/708 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1799 event pairs, 0 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 516. Up to 4 conditions per place. [2024-10-31 21:56:46,071 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 676 transitions, 1359 flow [2024-10-31 21:56:46,087 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 595 places, 676 transitions, 1359 flow [2024-10-31 21:56:46,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:46,103 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;@1b2d1fd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:46,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-10-31 21:56:46,113 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:56:46,114 INFO L124 PetriNetUnfolderBase]: 8/65 cut-off events. [2024-10-31 21:56:46,114 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:56:46,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:46,115 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1] [2024-10-31 21:56:46,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:56:46,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:46,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1144983470, now seen corresponding path program 1 times [2024-10-31 21:56:46,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:46,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481831840] [2024-10-31 21:56:46,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:46,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:46,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:46,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481831840] [2024-10-31 21:56:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481831840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:46,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:46,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561886756] [2024-10-31 21:56:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:46,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:56:46,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:46,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:56:46,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:46,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 585 out of 676 [2024-10-31 21:56:46,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 595 places, 676 transitions, 1359 flow. Second operand has 2 states, 2 states have (on average 586.0) internal successors, (1172), 2 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:46,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:46,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 585 of 676 [2024-10-31 21:56:46,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:46,781 INFO L124 PetriNetUnfolderBase]: 11/603 cut-off events. [2024-10-31 21:56:46,781 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 21:56:46,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 603 events. 11/603 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1490 event pairs, 0 based on Foata normal form. 79/635 useless extension candidates. Maximal degree in co-relation 442. Up to 11 conditions per place. [2024-10-31 21:56:46,788 INFO L140 encePairwiseOnDemand]: 597/676 looper letters, 10 selfloop transitions, 0 changer transitions 10/573 dead transitions. [2024-10-31 21:56:46,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 573 transitions, 1173 flow [2024-10-31 21:56:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:56:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-31 21:56:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1259 transitions. [2024-10-31 21:56:46,808 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9312130177514792 [2024-10-31 21:56:46,811 INFO L175 Difference]: Start difference. First operand has 595 places, 676 transitions, 1359 flow. Second operand 2 states and 1259 transitions. [2024-10-31 21:56:46,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 573 transitions, 1173 flow [2024-10-31 21:56:46,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 573 transitions, 1173 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:56:46,830 INFO L231 Difference]: Finished difference. Result has 566 places, 563 transitions, 1133 flow [2024-10-31 21:56:46,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1153, PETRI_DIFFERENCE_MINUEND_PLACES=565, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=573, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1133, PETRI_PLACES=566, PETRI_TRANSITIONS=563} [2024-10-31 21:56:46,836 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -29 predicate places. [2024-10-31 21:56:46,838 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 563 transitions, 1133 flow [2024-10-31 21:56:46,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 586.0) internal successors, (1172), 2 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:46,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:46,840 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1] [2024-10-31 21:56:46,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:56:46,841 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:56:46,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:46,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1555750909, now seen corresponding path program 1 times [2024-10-31 21:56:46,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:46,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642756343] [2024-10-31 21:56:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:46,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:47,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:47,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642756343] [2024-10-31 21:56:47,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642756343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:47,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:47,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:47,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4122840] [2024-10-31 21:56:47,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:47,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:47,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:47,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:47,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:48,524 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 676 [2024-10-31 21:56:48,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 563 transitions, 1133 flow. Second operand has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:48,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:48,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 676 [2024-10-31 21:56:48,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:49,798 INFO L124 PetriNetUnfolderBase]: 612/3906 cut-off events. [2024-10-31 21:56:49,799 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:56:49,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5099 conditions, 3906 events. 612/3906 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31497 event pairs, 528 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5095. Up to 1181 conditions per place. [2024-10-31 21:56:49,822 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 91 selfloop transitions, 5 changer transitions 0/562 dead transitions. [2024-10-31 21:56:49,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 562 transitions, 1323 flow [2024-10-31 21:56:49,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:56:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3085 transitions. [2024-10-31 21:56:49,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7606015779092702 [2024-10-31 21:56:49,836 INFO L175 Difference]: Start difference. First operand has 566 places, 563 transitions, 1133 flow. Second operand 6 states and 3085 transitions. [2024-10-31 21:56:49,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 562 transitions, 1323 flow [2024-10-31 21:56:49,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 562 transitions, 1323 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 21:56:49,848 INFO L231 Difference]: Finished difference. Result has 560 places, 562 transitions, 1141 flow [2024-10-31 21:56:49,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=555, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1141, PETRI_PLACES=560, PETRI_TRANSITIONS=562} [2024-10-31 21:56:49,850 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -35 predicate places. [2024-10-31 21:56:49,850 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 562 transitions, 1141 flow [2024-10-31 21:56:49,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:49,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:49,853 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:49,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:56:49,854 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:56:49,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:49,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1928621824, now seen corresponding path program 1 times [2024-10-31 21:56:49,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:49,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222058603] [2024-10-31 21:56:49,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:49,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:50,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:50,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222058603] [2024-10-31 21:56:50,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222058603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:50,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:50,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050015689] [2024-10-31 21:56:50,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:50,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:50,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:50,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:51,026 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 676 [2024-10-31 21:56:51,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 562 transitions, 1141 flow. Second operand has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:51,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 676 [2024-10-31 21:56:51,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:51,939 INFO L124 PetriNetUnfolderBase]: 612/3905 cut-off events. [2024-10-31 21:56:51,940 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 21:56:51,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5104 conditions, 3905 events. 612/3905 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 31451 event pairs, 528 based on Foata normal form. 0/3581 useless extension candidates. Maximal degree in co-relation 5099. Up to 1181 conditions per place. [2024-10-31 21:56:51,964 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 91 selfloop transitions, 5 changer transitions 0/561 dead transitions. [2024-10-31 21:56:51,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 561 transitions, 1331 flow [2024-10-31 21:56:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:56:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3085 transitions. [2024-10-31 21:56:51,974 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7606015779092702 [2024-10-31 21:56:51,974 INFO L175 Difference]: Start difference. First operand has 560 places, 562 transitions, 1141 flow. Second operand 6 states and 3085 transitions. [2024-10-31 21:56:51,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 561 transitions, 1331 flow [2024-10-31 21:56:51,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 561 transitions, 1321 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:56:51,989 INFO L231 Difference]: Finished difference. Result has 559 places, 561 transitions, 1139 flow [2024-10-31 21:56:51,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1129, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1139, PETRI_PLACES=559, PETRI_TRANSITIONS=561} [2024-10-31 21:56:51,991 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -36 predicate places. [2024-10-31 21:56:51,991 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 561 transitions, 1139 flow [2024-10-31 21:56:51,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 499.3333333333333) internal successors, (2996), 6 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:51,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:51,994 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:51,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:56:51,994 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:56:51,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:51,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1984799782, now seen corresponding path program 1 times [2024-10-31 21:56:51,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:51,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868485856] [2024-10-31 21:56:51,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:51,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:53,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:53,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868485856] [2024-10-31 21:56:53,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868485856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:53,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:53,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:53,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414756343] [2024-10-31 21:56:53,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:53,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:53,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:53,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:53,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:54,504 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 676 [2024-10-31 21:56:54,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 561 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 493.1666666666667) internal successors, (2959), 6 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:54,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:54,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 676 [2024-10-31 21:56:54,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:55,365 INFO L124 PetriNetUnfolderBase]: 687/4320 cut-off events. [2024-10-31 21:56:55,365 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-31 21:56:55,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5663 conditions, 4320 events. 687/4320 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 37063 event pairs, 594 based on Foata normal form. 0/3961 useless extension candidates. Maximal degree in co-relation 5658. Up to 1325 conditions per place. [2024-10-31 21:56:55,389 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 99 selfloop transitions, 5 changer transitions 0/560 dead transitions. [2024-10-31 21:56:55,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 560 transitions, 1345 flow [2024-10-31 21:56:55,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:55,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:56:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3045 transitions. [2024-10-31 21:56:55,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7507396449704142 [2024-10-31 21:56:55,397 INFO L175 Difference]: Start difference. First operand has 559 places, 561 transitions, 1139 flow. Second operand 6 states and 3045 transitions. [2024-10-31 21:56:55,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 560 transitions, 1345 flow [2024-10-31 21:56:55,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 560 transitions, 1335 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:56:55,408 INFO L231 Difference]: Finished difference. Result has 558 places, 560 transitions, 1137 flow [2024-10-31 21:56:55,410 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1137, PETRI_PLACES=558, PETRI_TRANSITIONS=560} [2024-10-31 21:56:55,411 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -37 predicate places. [2024-10-31 21:56:55,412 INFO L471 AbstractCegarLoop]: Abstraction has has 558 places, 560 transitions, 1137 flow [2024-10-31 21:56:55,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 493.1666666666667) internal successors, (2959), 6 states have internal predecessors, (2959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:55,414 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:55,414 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:55,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:56:55,415 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:56:55,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:55,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1724402792, now seen corresponding path program 1 times [2024-10-31 21:56:55,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:55,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629154453] [2024-10-31 21:56:55,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:55,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:55,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:55,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629154453] [2024-10-31 21:56:55,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629154453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:55,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:55,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:55,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517133619] [2024-10-31 21:56:55,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:55,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:56:55,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:55,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:55,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 676 [2024-10-31 21:56:55,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 560 transitions, 1137 flow. Second operand has 3 states, 3 states have (on average 581.0) internal successors, (1743), 3 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:55,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:55,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 676 [2024-10-31 21:56:55,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:56:55,869 INFO L124 PetriNetUnfolderBase]: 17/630 cut-off events. [2024-10-31 21:56:55,870 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 21:56:55,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 630 events. 17/630 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1719 event pairs, 6 based on Foata normal form. 1/584 useless extension candidates. Maximal degree in co-relation 673. Up to 30 conditions per place. [2024-10-31 21:56:55,876 INFO L140 encePairwiseOnDemand]: 673/676 looper letters, 15 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-10-31 21:56:55,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 561 transitions, 1173 flow [2024-10-31 21:56:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 21:56:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1755 transitions. [2024-10-31 21:56:55,882 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8653846153846154 [2024-10-31 21:56:55,883 INFO L175 Difference]: Start difference. First operand has 558 places, 560 transitions, 1137 flow. Second operand 3 states and 1755 transitions. [2024-10-31 21:56:55,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 561 transitions, 1173 flow [2024-10-31 21:56:55,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 555 places, 561 transitions, 1163 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 21:56:55,900 INFO L231 Difference]: Finished difference. Result has 556 places, 561 transitions, 1139 flow [2024-10-31 21:56:55,901 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1127, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1139, PETRI_PLACES=556, PETRI_TRANSITIONS=561} [2024-10-31 21:56:55,904 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -39 predicate places. [2024-10-31 21:56:55,906 INFO L471 AbstractCegarLoop]: Abstraction has has 556 places, 561 transitions, 1139 flow [2024-10-31 21:56:55,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 581.0) internal successors, (1743), 3 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:55,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:56:55,908 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:55,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:56:55,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:56:55,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1602403947, now seen corresponding path program 1 times [2024-10-31 21:56:55,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:55,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444565775] [2024-10-31 21:56:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:55,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:57,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:57,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444565775] [2024-10-31 21:56:57,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444565775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:57,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:57,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:57,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409633746] [2024-10-31 21:56:57,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:57,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:56:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:57,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:56:57,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:56:59,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 676 [2024-10-31 21:56:59,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 561 transitions, 1139 flow. Second operand has 6 states, 6 states have (on average 543.8333333333334) internal successors, (3263), 6 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:59,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:56:59,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 676 [2024-10-31 21:56:59,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:00,121 INFO L124 PetriNetUnfolderBase]: 161/2349 cut-off events. [2024-10-31 21:57:00,121 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 21:57:00,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 2349 events. 161/2349 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 15232 event pairs, 110 based on Foata normal form. 0/2151 useless extension candidates. Maximal degree in co-relation 2657. Up to 291 conditions per place. [2024-10-31 21:57:00,137 INFO L140 encePairwiseOnDemand]: 670/676 looper letters, 49 selfloop transitions, 6 changer transitions 0/560 dead transitions. [2024-10-31 21:57:00,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 560 transitions, 1247 flow [2024-10-31 21:57:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:57:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 21:57:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3295 transitions. [2024-10-31 21:57:00,146 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8123767258382643 [2024-10-31 21:57:00,146 INFO L175 Difference]: Start difference. First operand has 556 places, 561 transitions, 1139 flow. Second operand 6 states and 3295 transitions. [2024-10-31 21:57:00,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 560 places, 560 transitions, 1247 flow [2024-10-31 21:57:00,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 560 transitions, 1245 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:57:00,161 INFO L231 Difference]: Finished difference. Result has 559 places, 560 transitions, 1147 flow [2024-10-31 21:57:00,162 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=676, PETRI_DIFFERENCE_MINUEND_FLOW=1135, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1147, PETRI_PLACES=559, PETRI_TRANSITIONS=560} [2024-10-31 21:57:00,164 INFO L277 CegarLoopForPetriNet]: 595 programPoint places, -36 predicate places. [2024-10-31 21:57:00,165 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 560 transitions, 1147 flow [2024-10-31 21:57:00,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 543.8333333333334) internal successors, (3263), 6 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:00,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:57:00,168 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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, 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] [2024-10-31 21:57:00,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:57:00,169 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-10-31 21:57:00,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:00,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1097745981, now seen corresponding path program 1 times [2024-10-31 21:57:00,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:00,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689925529] [2024-10-31 21:57:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 21:57:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:01,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689925529] [2024-10-31 21:57:01,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689925529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:01,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:01,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:57:01,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838421636] [2024-10-31 21:57:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:01,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:57:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:01,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:57:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:57:03,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 540 out of 676 [2024-10-31 21:57:03,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 560 transitions, 1147 flow. Second operand has 6 states, 6 states have (on average 543.6666666666666) internal successors, (3262), 6 states have internal predecessors, (3262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:57:03,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:57:03,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 540 of 676 [2024-10-31 21:57:03,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:57:05,516 INFO L124 PetriNetUnfolderBase]: 535/6365 cut-off events. [2024-10-31 21:57:05,516 INFO L125 PetriNetUnfolderBase]: For 20/27 co-relation queries the response was YES.