./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --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 adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:06:56,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:06:56,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:06:56,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:06:56,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:06:56,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:06:56,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:06:56,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:06:56,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:06:56,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:06:56,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:06:56,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:06:56,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:06:56,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:06:56,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:06:56,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:06:56,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:06:56,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:06:56,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:06:56,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:06:56,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:06:56,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:06:56,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:06:56,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:06:56,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:06:56,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:06:56,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:06:56,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:06:56,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:06:56,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:06:56,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:06:56,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:06:56,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:06:56,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:06:56,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:06:56,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:06:56,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:06:56,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:06:56,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:06:56,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:06:56,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:06:56,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 21:06:56,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:06:56,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:06:56,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:06:56,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:06:56,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:06:56,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:06:56,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:06:56,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:06:56,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:06:56,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:06:56,777 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:06:56,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:06:56,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:06:56,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:06:56,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:06:56,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:06:56,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:06:56,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:06:56,778 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 21:06:56,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:06:56,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:06:56,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:06:56,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:06:56,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:06:56,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:06:56,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:06:56,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:06:56,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:06:56,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:06:56,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:06:56,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:06:56,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:06:56,782 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:06:56,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:06:56,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:06:56,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 [2022-11-18 21:06:57,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:06:57,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:06:57,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:06:57,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:06:57,067 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:06:57,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2022-11-18 21:06:57,142 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/data/bb857561b/34cb736c542048609b7f0ec590cc9551/FLAGfc0d9d88c [2022-11-18 21:06:57,692 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:06:57,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2022-11-18 21:06:57,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/data/bb857561b/34cb736c542048609b7f0ec590cc9551/FLAGfc0d9d88c [2022-11-18 21:06:57,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/data/bb857561b/34cb736c542048609b7f0ec590cc9551 [2022-11-18 21:06:57,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:06:57,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:06:57,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:57,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:06:57,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:06:57,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:57" (1/1) ... [2022-11-18 21:06:57,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522ab622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:57, skipping insertion in model container [2022-11-18 21:06:57,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:57" (1/1) ... [2022-11-18 21:06:57,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:06:58,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:06:58,472 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30435,30448] [2022-11-18 21:06:58,477 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30785,30798] [2022-11-18 21:06:58,481 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30975,30988] [2022-11-18 21:06:58,485 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31167,31180] [2022-11-18 21:06:58,491 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31508,31521] [2022-11-18 21:06:58,493 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31698,31711] [2022-11-18 21:06:58,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:58,524 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:06:58,583 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30435,30448] [2022-11-18 21:06:58,585 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30785,30798] [2022-11-18 21:06:58,586 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30975,30988] [2022-11-18 21:06:58,588 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31167,31180] [2022-11-18 21:06:58,589 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31508,31521] [2022-11-18 21:06:58,603 WARN L234 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_1cbbbbeb-2cb7-4888-976f-52e251c5a186/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31698,31711] [2022-11-18 21:06:58,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:58,637 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:06:58,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58 WrapperNode [2022-11-18 21:06:58,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:58,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:58,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:06:58,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:06:58,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,732 INFO L138 Inliner]: procedures = 176, calls = 35, calls flagged for inlining = 27, calls inlined = 41, statements flattened = 374 [2022-11-18 21:06:58,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:58,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:06:58,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:06:58,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:06:58,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:06:58,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:06:58,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:06:58,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:06:58,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (1/1) ... [2022-11-18 21:06:58,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:06:58,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:58,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:06:58,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cbbbbeb-2cb7-4888-976f-52e251c5a186/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:06:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-18 21:06:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-18 21:06:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:06:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:06:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:06:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:06:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:06:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:06:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:06:58,861 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 21:06:59,043 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:06:59,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:06:59,655 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:06:59,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:06:59,944 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 21:06:59,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:59 BoogieIcfgContainer [2022-11-18 21:06:59,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:06:59,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:06:59,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:06:59,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:06:59,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:06:57" (1/3) ... [2022-11-18 21:06:59,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79468d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:06:59, skipping insertion in model container [2022-11-18 21:06:59,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:58" (2/3) ... [2022-11-18 21:06:59,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79468d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:06:59, skipping insertion in model container [2022-11-18 21:06:59,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:59" (3/3) ... [2022-11-18 21:06:59,956 INFO L112 eAbstractionObserver]: Analyzing ICFG 42_FreeBSD_rdma_addr_sliced.i [2022-11-18 21:06:59,969 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 21:06:59,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:06:59,979 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2022-11-18 21:06:59,979 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 21:07:00,096 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 21:07:00,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 254 transitions, 513 flow [2022-11-18 21:07:00,294 INFO L130 PetriNetUnfolder]: 26/265 cut-off events. [2022-11-18 21:07:00,295 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:07:00,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 265 events. 26/265 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 820 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 236. Up to 6 conditions per place. [2022-11-18 21:07:00,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 232 places, 254 transitions, 513 flow [2022-11-18 21:07:00,321 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 254 transitions, 513 flow [2022-11-18 21:07:00,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:07:00,354 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4b499c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:07:00,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2022-11-18 21:07:00,372 INFO L130 PetriNetUnfolder]: 3/54 cut-off events. [2022-11-18 21:07:00,372 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:07:00,373 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:00,374 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:00,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-11-18 21:07:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash -591639419, now seen corresponding path program 1 times [2022-11-18 21:07:00,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:00,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490175732] [2022-11-18 21:07:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:00,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:07:00,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:07:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:07:00,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:07:00,614 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:07:00,616 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 101 remaining) [2022-11-18 21:07:00,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2022-11-18 21:07:00,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2022-11-18 21:07:00,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2022-11-18 21:07:00,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2022-11-18 21:07:00,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2022-11-18 21:07:00,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2022-11-18 21:07:00,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2022-11-18 21:07:00,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2022-11-18 21:07:00,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2022-11-18 21:07:00,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2022-11-18 21:07:00,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2022-11-18 21:07:00,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2022-11-18 21:07:00,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2022-11-18 21:07:00,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2022-11-18 21:07:00,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2022-11-18 21:07:00,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2022-11-18 21:07:00,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2022-11-18 21:07:00,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2022-11-18 21:07:00,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2022-11-18 21:07:00,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2022-11-18 21:07:00,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2022-11-18 21:07:00,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2022-11-18 21:07:00,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2022-11-18 21:07:00,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2022-11-18 21:07:00,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2022-11-18 21:07:00,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2022-11-18 21:07:00,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2022-11-18 21:07:00,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2022-11-18 21:07:00,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2022-11-18 21:07:00,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2022-11-18 21:07:00,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2022-11-18 21:07:00,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2022-11-18 21:07:00,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2022-11-18 21:07:00,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2022-11-18 21:07:00,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2022-11-18 21:07:00,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2022-11-18 21:07:00,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2022-11-18 21:07:00,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2022-11-18 21:07:00,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2022-11-18 21:07:00,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2022-11-18 21:07:00,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2022-11-18 21:07:00,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2022-11-18 21:07:00,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2022-11-18 21:07:00,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2022-11-18 21:07:00,643 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2022-11-18 21:07:00,644 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2022-11-18 21:07:00,645 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2022-11-18 21:07:00,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2022-11-18 21:07:00,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2022-11-18 21:07:00,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2022-11-18 21:07:00,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2022-11-18 21:07:00,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2022-11-18 21:07:00,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2022-11-18 21:07:00,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2022-11-18 21:07:00,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 101 remaining) [2022-11-18 21:07:00,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 101 remaining) [2022-11-18 21:07:00,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2022-11-18 21:07:00,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2022-11-18 21:07:00,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2022-11-18 21:07:00,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2022-11-18 21:07:00,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2022-11-18 21:07:00,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2022-11-18 21:07:00,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2022-11-18 21:07:00,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2022-11-18 21:07:00,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2022-11-18 21:07:00,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2022-11-18 21:07:00,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2022-11-18 21:07:00,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2022-11-18 21:07:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2022-11-18 21:07:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2022-11-18 21:07:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2022-11-18 21:07:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2022-11-18 21:07:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2022-11-18 21:07:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2022-11-18 21:07:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2022-11-18 21:07:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2022-11-18 21:07:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2022-11-18 21:07:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2022-11-18 21:07:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2022-11-18 21:07:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2022-11-18 21:07:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2022-11-18 21:07:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2022-11-18 21:07:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2022-11-18 21:07:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2022-11-18 21:07:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2022-11-18 21:07:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2022-11-18 21:07:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2022-11-18 21:07:00,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2022-11-18 21:07:00,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2022-11-18 21:07:00,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2022-11-18 21:07:00,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2022-11-18 21:07:00,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2022-11-18 21:07:00,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2022-11-18 21:07:00,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2022-11-18 21:07:00,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2022-11-18 21:07:00,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2022-11-18 21:07:00,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2022-11-18 21:07:00,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2022-11-18 21:07:00,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2022-11-18 21:07:00,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2022-11-18 21:07:00,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:07:00,675 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 21:07:00,679 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-18 21:07:00,679 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-18 21:07:00,780 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 21:07:00,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 478 transitions, 968 flow [2022-11-18 21:07:00,961 INFO L130 PetriNetUnfolder]: 51/502 cut-off events. [2022-11-18 21:07:00,961 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 21:07:00,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 502 events. 51/502 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2377 event pairs, 0 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 459. Up to 6 conditions per place. [2022-11-18 21:07:00,972 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 478 transitions, 968 flow [2022-11-18 21:07:00,984 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 434 places, 478 transitions, 968 flow [2022-11-18 21:07:00,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:07:00,986 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4b499c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:07:00,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 151 error locations. [2022-11-18 21:07:00,993 INFO L130 PetriNetUnfolder]: 4/66 cut-off events. [2022-11-18 21:07:00,994 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 21:07:00,994 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:00,994 INFO L209 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] [2022-11-18 21:07:00,994 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err21ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-11-18 21:07:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1736562634, now seen corresponding path program 1 times [2022-11-18 21:07:00,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:00,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029145014] [2022-11-18 21:07:00,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:00,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:07:01,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:01,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029145014] [2022-11-18 21:07:01,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029145014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:01,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:01,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 21:07:01,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786074868] [2022-11-18 21:07:01,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:01,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:07:01,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:01,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:07:01,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:07:01,116 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 478 [2022-11-18 21:07:01,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 478 transitions, 968 flow. Second operand has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 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) [2022-11-18 21:07:01,121 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:01,121 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 478 [2022-11-18 21:07:01,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:07:01,916 INFO L130 PetriNetUnfolder]: 527/3690 cut-off events. [2022-11-18 21:07:01,916 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2022-11-18 21:07:01,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4429 conditions, 3690 events. 527/3690 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 34512 event pairs, 238 based on Foata normal form. 774/3807 useless extension candidates. Maximal degree in co-relation 884. Up to 659 conditions per place. [2022-11-18 21:07:01,953 INFO L137 encePairwiseOnDemand]: 382/478 looper letters, 34 selfloop transitions, 0 changer transitions 0/361 dead transitions. [2022-11-18 21:07:01,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 361 transitions, 802 flow [2022-11-18 21:07:01,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:07:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 21:07:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 802 transitions. [2022-11-18 21:07:01,974 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8389121338912134 [2022-11-18 21:07:01,975 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 802 transitions. [2022-11-18 21:07:01,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 802 transitions. [2022-11-18 21:07:01,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:07:01,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 802 transitions. [2022-11-18 21:07:01,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 401.0) internal successors, (802), 2 states have internal predecessors, (802), 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) [2022-11-18 21:07:01,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 478.0) internal successors, (1434), 3 states have internal predecessors, (1434), 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) [2022-11-18 21:07:01,997 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 478.0) internal successors, (1434), 3 states have internal predecessors, (1434), 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) [2022-11-18 21:07:01,999 INFO L175 Difference]: Start difference. First operand has 434 places, 478 transitions, 968 flow. Second operand 2 states and 802 transitions. [2022-11-18 21:07:02,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 361 transitions, 802 flow [2022-11-18 21:07:02,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 361 transitions, 800 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-11-18 21:07:02,015 INFO L231 Difference]: Finished difference. Result has 347 places, 361 transitions, 732 flow [2022-11-18 21:07:02,018 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=732, PETRI_PLACES=347, PETRI_TRANSITIONS=361} [2022-11-18 21:07:02,023 INFO L288 CegarLoopForPetriNet]: 434 programPoint places, -87 predicate places. [2022-11-18 21:07:02,023 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 361 transitions, 732 flow [2022-11-18 21:07:02,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 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) [2022-11-18 21:07:02,024 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:02,024 INFO L209 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] [2022-11-18 21:07:02,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:07:02,025 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-11-18 21:07:02,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:02,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1905520912, now seen corresponding path program 1 times [2022-11-18 21:07:02,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:02,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219720386] [2022-11-18 21:07:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:07:02,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:02,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219720386] [2022-11-18 21:07:02,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219720386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:02,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:02,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:07:02,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85932544] [2022-11-18 21:07:02,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:02,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:07:02,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:02,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:07:02,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:07:02,174 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 478 [2022-11-18 21:07:02,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 361 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 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) [2022-11-18 21:07:02,176 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:02,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 478 [2022-11-18 21:07:02,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:07:04,466 INFO L130 PetriNetUnfolder]: 2446/12039 cut-off events. [2022-11-18 21:07:04,467 INFO L131 PetriNetUnfolder]: For 91/91 co-relation queries the response was YES. [2022-11-18 21:07:04,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15958 conditions, 12039 events. 2446/12039 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 135986 event pairs, 331 based on Foata normal form. 0/9803 useless extension candidates. Maximal degree in co-relation 15953. Up to 2355 conditions per place. [2022-11-18 21:07:04,584 INFO L137 encePairwiseOnDemand]: 404/478 looper letters, 77 selfloop transitions, 60 changer transitions 0/422 dead transitions. [2022-11-18 21:07:04,585 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 422 transitions, 1133 flow [2022-11-18 21:07:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:07:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:07:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2022-11-18 21:07:04,589 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7203626220362622 [2022-11-18 21:07:04,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2022-11-18 21:07:04,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2022-11-18 21:07:04,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:07:04,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2022-11-18 21:07:04,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 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) [2022-11-18 21:07:04,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 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) [2022-11-18 21:07:04,599 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 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) [2022-11-18 21:07:04,599 INFO L175 Difference]: Start difference. First operand has 347 places, 361 transitions, 732 flow. Second operand 3 states and 1033 transitions. [2022-11-18 21:07:04,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 422 transitions, 1133 flow [2022-11-18 21:07:04,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 422 transitions, 1133 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 21:07:04,611 INFO L231 Difference]: Finished difference. Result has 351 places, 421 transitions, 1240 flow [2022-11-18 21:07:04,612 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1240, PETRI_PLACES=351, PETRI_TRANSITIONS=421} [2022-11-18 21:07:04,613 INFO L288 CegarLoopForPetriNet]: 434 programPoint places, -83 predicate places. [2022-11-18 21:07:04,613 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 421 transitions, 1240 flow [2022-11-18 21:07:04,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 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) [2022-11-18 21:07:04,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:04,614 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:07:04,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:07:04,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-11-18 21:07:04,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:04,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1866614133, now seen corresponding path program 1 times [2022-11-18 21:07:04,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:04,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399258160] [2022-11-18 21:07:04,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:04,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:07:04,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:07:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:07:04,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:07:04,654 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:07:04,654 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (150 of 151 remaining) [2022-11-18 21:07:04,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (149 of 151 remaining) [2022-11-18 21:07:04,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (148 of 151 remaining) [2022-11-18 21:07:04,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (147 of 151 remaining) [2022-11-18 21:07:04,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (146 of 151 remaining) [2022-11-18 21:07:04,655 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (145 of 151 remaining) [2022-11-18 21:07:04,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (144 of 151 remaining) [2022-11-18 21:07:04,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (143 of 151 remaining) [2022-11-18 21:07:04,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (142 of 151 remaining) [2022-11-18 21:07:04,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (141 of 151 remaining) [2022-11-18 21:07:04,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (140 of 151 remaining) [2022-11-18 21:07:04,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (139 of 151 remaining) [2022-11-18 21:07:04,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (138 of 151 remaining) [2022-11-18 21:07:04,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (137 of 151 remaining) [2022-11-18 21:07:04,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (136 of 151 remaining) [2022-11-18 21:07:04,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (135 of 151 remaining) [2022-11-18 21:07:04,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (134 of 151 remaining) [2022-11-18 21:07:04,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (133 of 151 remaining) [2022-11-18 21:07:04,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (132 of 151 remaining) [2022-11-18 21:07:04,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (131 of 151 remaining) [2022-11-18 21:07:04,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (130 of 151 remaining) [2022-11-18 21:07:04,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (129 of 151 remaining) [2022-11-18 21:07:04,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (128 of 151 remaining) [2022-11-18 21:07:04,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (127 of 151 remaining) [2022-11-18 21:07:04,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (126 of 151 remaining) [2022-11-18 21:07:04,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (125 of 151 remaining) [2022-11-18 21:07:04,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (124 of 151 remaining) [2022-11-18 21:07:04,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (123 of 151 remaining) [2022-11-18 21:07:04,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (122 of 151 remaining) [2022-11-18 21:07:04,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (121 of 151 remaining) [2022-11-18 21:07:04,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (120 of 151 remaining) [2022-11-18 21:07:04,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (119 of 151 remaining) [2022-11-18 21:07:04,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (118 of 151 remaining) [2022-11-18 21:07:04,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (117 of 151 remaining) [2022-11-18 21:07:04,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (116 of 151 remaining) [2022-11-18 21:07:04,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (115 of 151 remaining) [2022-11-18 21:07:04,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 151 remaining) [2022-11-18 21:07:04,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (113 of 151 remaining) [2022-11-18 21:07:04,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (112 of 151 remaining) [2022-11-18 21:07:04,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (111 of 151 remaining) [2022-11-18 21:07:04,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (110 of 151 remaining) [2022-11-18 21:07:04,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (109 of 151 remaining) [2022-11-18 21:07:04,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (108 of 151 remaining) [2022-11-18 21:07:04,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (107 of 151 remaining) [2022-11-18 21:07:04,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (106 of 151 remaining) [2022-11-18 21:07:04,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (105 of 151 remaining) [2022-11-18 21:07:04,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (104 of 151 remaining) [2022-11-18 21:07:04,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (103 of 151 remaining) [2022-11-18 21:07:04,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (102 of 151 remaining) [2022-11-18 21:07:04,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (101 of 151 remaining) [2022-11-18 21:07:04,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (100 of 151 remaining) [2022-11-18 21:07:04,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 151 remaining) [2022-11-18 21:07:04,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 151 remaining) [2022-11-18 21:07:04,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 151 remaining) [2022-11-18 21:07:04,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 151 remaining) [2022-11-18 21:07:04,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 151 remaining) [2022-11-18 21:07:04,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 151 remaining) [2022-11-18 21:07:04,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 151 remaining) [2022-11-18 21:07:04,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 151 remaining) [2022-11-18 21:07:04,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 151 remaining) [2022-11-18 21:07:04,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 151 remaining) [2022-11-18 21:07:04,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 151 remaining) [2022-11-18 21:07:04,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 151 remaining) [2022-11-18 21:07:04,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 151 remaining) [2022-11-18 21:07:04,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 151 remaining) [2022-11-18 21:07:04,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 151 remaining) [2022-11-18 21:07:04,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 151 remaining) [2022-11-18 21:07:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 151 remaining) [2022-11-18 21:07:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 151 remaining) [2022-11-18 21:07:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 151 remaining) [2022-11-18 21:07:04,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 151 remaining) [2022-11-18 21:07:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 151 remaining) [2022-11-18 21:07:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 151 remaining) [2022-11-18 21:07:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 151 remaining) [2022-11-18 21:07:04,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (76 of 151 remaining) [2022-11-18 21:07:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 151 remaining) [2022-11-18 21:07:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 151 remaining) [2022-11-18 21:07:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (73 of 151 remaining) [2022-11-18 21:07:04,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 151 remaining) [2022-11-18 21:07:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 151 remaining) [2022-11-18 21:07:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (70 of 151 remaining) [2022-11-18 21:07:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (69 of 151 remaining) [2022-11-18 21:07:04,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (68 of 151 remaining) [2022-11-18 21:07:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (67 of 151 remaining) [2022-11-18 21:07:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (66 of 151 remaining) [2022-11-18 21:07:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (65 of 151 remaining) [2022-11-18 21:07:04,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 151 remaining) [2022-11-18 21:07:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 151 remaining) [2022-11-18 21:07:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 151 remaining) [2022-11-18 21:07:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 151 remaining) [2022-11-18 21:07:04,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 151 remaining) [2022-11-18 21:07:04,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 151 remaining) [2022-11-18 21:07:04,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 151 remaining) [2022-11-18 21:07:04,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 151 remaining) [2022-11-18 21:07:04,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (56 of 151 remaining) [2022-11-18 21:07:04,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (55 of 151 remaining) [2022-11-18 21:07:04,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 151 remaining) [2022-11-18 21:07:04,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (53 of 151 remaining) [2022-11-18 21:07:04,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (52 of 151 remaining) [2022-11-18 21:07:04,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (51 of 151 remaining) [2022-11-18 21:07:04,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (50 of 151 remaining) [2022-11-18 21:07:04,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 151 remaining) [2022-11-18 21:07:04,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 151 remaining) [2022-11-18 21:07:04,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 151 remaining) [2022-11-18 21:07:04,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 151 remaining) [2022-11-18 21:07:04,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 151 remaining) [2022-11-18 21:07:04,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 151 remaining) [2022-11-18 21:07:04,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 151 remaining) [2022-11-18 21:07:04,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 151 remaining) [2022-11-18 21:07:04,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 151 remaining) [2022-11-18 21:07:04,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 151 remaining) [2022-11-18 21:07:04,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 151 remaining) [2022-11-18 21:07:04,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 151 remaining) [2022-11-18 21:07:04,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 151 remaining) [2022-11-18 21:07:04,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 151 remaining) [2022-11-18 21:07:04,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 151 remaining) [2022-11-18 21:07:04,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 151 remaining) [2022-11-18 21:07:04,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 151 remaining) [2022-11-18 21:07:04,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 151 remaining) [2022-11-18 21:07:04,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 151 remaining) [2022-11-18 21:07:04,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 151 remaining) [2022-11-18 21:07:04,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 151 remaining) [2022-11-18 21:07:04,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 151 remaining) [2022-11-18 21:07:04,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 151 remaining) [2022-11-18 21:07:04,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 151 remaining) [2022-11-18 21:07:04,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 151 remaining) [2022-11-18 21:07:04,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 151 remaining) [2022-11-18 21:07:04,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (23 of 151 remaining) [2022-11-18 21:07:04,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 151 remaining) [2022-11-18 21:07:04,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 151 remaining) [2022-11-18 21:07:04,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (20 of 151 remaining) [2022-11-18 21:07:04,686 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (19 of 151 remaining) [2022-11-18 21:07:04,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (18 of 151 remaining) [2022-11-18 21:07:04,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (17 of 151 remaining) [2022-11-18 21:07:04,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (16 of 151 remaining) [2022-11-18 21:07:04,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 151 remaining) [2022-11-18 21:07:04,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 151 remaining) [2022-11-18 21:07:04,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 151 remaining) [2022-11-18 21:07:04,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 151 remaining) [2022-11-18 21:07:04,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 151 remaining) [2022-11-18 21:07:04,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 151 remaining) [2022-11-18 21:07:04,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 151 remaining) [2022-11-18 21:07:04,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 151 remaining) [2022-11-18 21:07:04,689 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 151 remaining) [2022-11-18 21:07:04,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 151 remaining) [2022-11-18 21:07:04,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (5 of 151 remaining) [2022-11-18 21:07:04,690 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 151 remaining) [2022-11-18 21:07:04,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (3 of 151 remaining) [2022-11-18 21:07:04,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (2 of 151 remaining) [2022-11-18 21:07:04,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (1 of 151 remaining) [2022-11-18 21:07:04,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (0 of 151 remaining) [2022-11-18 21:07:04,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:07:04,695 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 21:07:04,696 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-18 21:07:04,696 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-18 21:07:04,805 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 21:07:04,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 636 places, 702 transitions, 1425 flow [2022-11-18 21:07:05,185 INFO L130 PetriNetUnfolder]: 76/739 cut-off events. [2022-11-18 21:07:05,185 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-18 21:07:05,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 739 events. 76/739 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4158 event pairs, 0 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 682. Up to 8 conditions per place. [2022-11-18 21:07:05,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 636 places, 702 transitions, 1425 flow [2022-11-18 21:07:05,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 636 places, 702 transitions, 1425 flow [2022-11-18 21:07:05,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:07:05,238 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4b499c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:07:05,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 201 error locations. [2022-11-18 21:07:05,253 INFO L130 PetriNetUnfolder]: 4/63 cut-off events. [2022-11-18 21:07:05,253 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 21:07:05,253 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:05,254 INFO L209 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] [2022-11-18 21:07:05,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err21ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2022-11-18 21:07:05,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:05,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1235479029, now seen corresponding path program 1 times [2022-11-18 21:07:05,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:05,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163287999] [2022-11-18 21:07:05,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:05,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:07:05,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:05,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163287999] [2022-11-18 21:07:05,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163287999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:05,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:05,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 21:07:05,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410036976] [2022-11-18 21:07:05,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:05,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 21:07:05,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:05,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 21:07:05,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 21:07:05,285 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 702 [2022-11-18 21:07:05,287 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 702 transitions, 1425 flow. Second operand has 2 states, 2 states have (on average 491.0) internal successors, (982), 2 states have internal predecessors, (982), 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) [2022-11-18 21:07:05,287 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:05,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 702 [2022-11-18 21:07:05,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:07:18,416 INFO L130 PetriNetUnfolder]: 15346/70985 cut-off events. [2022-11-18 21:07:18,416 INFO L131 PetriNetUnfolder]: For 2281/2281 co-relation queries the response was YES. [2022-11-18 21:07:18,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90421 conditions, 70985 events. 15346/70985 cut-off events. For 2281/2281 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 1070197 event pairs, 8476 based on Foata normal form. 17792/77207 useless extension candidates. Maximal degree in co-relation 4442. Up to 17668 conditions per place. [2022-11-18 21:07:19,432 INFO L137 encePairwiseOnDemand]: 559/702 looper letters, 51 selfloop transitions, 0 changer transitions 0/530 dead transitions. [2022-11-18 21:07:19,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 530 transitions, 1183 flow [2022-11-18 21:07:19,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:07:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 21:07:19,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1174 transitions. [2022-11-18 21:07:19,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8361823361823362 [2022-11-18 21:07:19,438 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1174 transitions. [2022-11-18 21:07:19,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1174 transitions. [2022-11-18 21:07:19,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:07:19,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1174 transitions. [2022-11-18 21:07:19,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 587.0) internal successors, (1174), 2 states have internal predecessors, (1174), 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) [2022-11-18 21:07:19,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 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) [2022-11-18 21:07:19,446 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 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) [2022-11-18 21:07:19,446 INFO L175 Difference]: Start difference. First operand has 636 places, 702 transitions, 1425 flow. Second operand 2 states and 1174 transitions. [2022-11-18 21:07:19,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 530 transitions, 1183 flow [2022-11-18 21:07:19,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 530 transitions, 1177 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-11-18 21:07:19,467 INFO L231 Difference]: Finished difference. Result has 508 places, 530 transitions, 1075 flow [2022-11-18 21:07:19,468 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=702, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1075, PETRI_PLACES=508, PETRI_TRANSITIONS=530} [2022-11-18 21:07:19,471 INFO L288 CegarLoopForPetriNet]: 636 programPoint places, -128 predicate places. [2022-11-18 21:07:19,471 INFO L495 AbstractCegarLoop]: Abstraction has has 508 places, 530 transitions, 1075 flow [2022-11-18 21:07:19,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 491.0) internal successors, (982), 2 states have internal predecessors, (982), 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) [2022-11-18 21:07:19,472 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:19,472 INFO L209 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] [2022-11-18 21:07:19,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:07:19,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2022-11-18 21:07:19,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:19,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1884284751, now seen corresponding path program 1 times [2022-11-18 21:07:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:19,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016354199] [2022-11-18 21:07:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:19,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:07:19,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:19,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016354199] [2022-11-18 21:07:19,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016354199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:19,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:19,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:07:19,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438757277] [2022-11-18 21:07:19,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:19,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:07:19,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:19,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:07:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:07:19,558 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 702 [2022-11-18 21:07:19,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 530 transitions, 1075 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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) [2022-11-18 21:07:19,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:19,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 702 [2022-11-18 21:07:19,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand