./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS --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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- 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-4e7fbc6 [2022-11-23 03:59:26,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:59:26,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:59:26,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:59:26,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:59:26,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:59:26,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:59:26,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:59:26,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:59:26,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:59:26,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:59:26,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:59:26,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:59:26,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:59:26,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:59:26,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:59:26,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:59:26,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:59:26,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:59:26,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:59:26,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:59:26,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:59:26,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:59:26,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:59:26,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:59:26,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:59:26,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:59:26,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:59:26,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:59:26,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:59:26,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:59:26,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:59:26,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:59:26,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:59:26,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:59:26,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:59:26,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:59:26,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:59:26,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:59:26,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:59:26,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:59:26,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 03:59:26,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:59:26,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:59:26,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:59:26,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:59:26,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:59:26,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:59:26,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:59:26,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:59:26,236 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:59:26,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:59:26,237 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:59:26,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:59:26,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:59:26,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:59:26,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:59:26,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:59:26,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:59:26,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:59:26,239 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 03:59:26,239 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:59:26,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:59:26,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:59:26,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:59:26,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:59:26,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:59:26,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:59:26,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:59:26,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:59:26,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:59:26,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:59:26,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:59:26,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:59:26,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:59:26,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:59:26,243 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:59:26,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:59:26,244 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2022-11-23 03:59:26,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:59:26,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:59:26,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:59:26,558 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:59:26,563 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:59:26,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2022-11-23 03:59:29,630 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:59:29,953 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:59:29,953 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2022-11-23 03:59:29,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/data/987f38cd8/3488dd135ba54ea68843208b1b13a341/FLAGef17653cd [2022-11-23 03:59:29,990 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/data/987f38cd8/3488dd135ba54ea68843208b1b13a341 [2022-11-23 03:59:29,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:59:29,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:59:29,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:59:29,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:59:30,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:59:30,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:29" (1/1) ... [2022-11-23 03:59:30,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4967152d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30, skipping insertion in model container [2022-11-23 03:59:30,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:29" (1/1) ... [2022-11-23 03:59:30,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:59:30,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:59:30,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:59:30,599 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:59:30,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:59:30,740 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:59:30,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30 WrapperNode [2022-11-23 03:59:30,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:59:30,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:59:30,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:59:30,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:59:30,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,829 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2022-11-23 03:59:30,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:59:30,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:59:30,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:59:30,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:59:30,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:59:30,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:59:30,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:59:30,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:59:30,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (1/1) ... [2022-11-23 03:59:30,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:59:30,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:59:30,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:59:30,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:59:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:59:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:59:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:59:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:59:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 03:59:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:59:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 03:59:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 03:59:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:59:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:59:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:59:30,995 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 03:59:31,151 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:59:31,153 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:59:31,471 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:59:31,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:59:31,479 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 03:59:31,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:31 BoogieIcfgContainer [2022-11-23 03:59:31,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:59:31,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:59:31,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:59:31,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:59:31,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:59:29" (1/3) ... [2022-11-23 03:59:31,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799440a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:59:31, skipping insertion in model container [2022-11-23 03:59:31,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:30" (2/3) ... [2022-11-23 03:59:31,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799440a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:59:31, skipping insertion in model container [2022-11-23 03:59:31,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:31" (3/3) ... [2022-11-23 03:59:31,490 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2022-11-23 03:59:31,499 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 03:59:31,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:59:31,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 03:59:31,511 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 03:59:31,593 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 03:59:31,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 196 flow [2022-11-23 03:59:31,733 INFO L130 PetriNetUnfolder]: 0/93 cut-off events. [2022-11-23 03:59:31,733 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-23 03:59:31,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 0/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-23 03:59:31,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 94 transitions, 196 flow [2022-11-23 03:59:31,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 85 transitions, 173 flow [2022-11-23 03:59:31,749 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 03:59:31,781 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 85 transitions, 173 flow [2022-11-23 03:59:31,784 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 85 transitions, 173 flow [2022-11-23 03:59:31,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 85 transitions, 173 flow [2022-11-23 03:59:31,809 INFO L130 PetriNetUnfolder]: 0/85 cut-off events. [2022-11-23 03:59:31,809 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:59:31,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 0/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-23 03:59:31,811 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2022-11-23 03:59:34,560 INFO L134 LiptonReduction]: Checked pairs total: 11748 [2022-11-23 03:59:34,561 INFO L136 LiptonReduction]: Total number of compositions: 44 [2022-11-23 03:59:34,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:59:34,587 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;@669c90fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:59:34,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-23 03:59:34,596 INFO L130 PetriNetUnfolder]: 0/14 cut-off events. [2022-11-23 03:59:34,596 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:59:34,597 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:34,598 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:59:34,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:34,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1603948638, now seen corresponding path program 1 times [2022-11-23 03:59:34,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:34,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466767337] [2022-11-23 03:59:34,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:34,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:35,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:35,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466767337] [2022-11-23 03:59:35,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466767337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:35,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:35,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:59:35,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959222529] [2022-11-23 03:59:35,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:35,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:59:35,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:35,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:59:35,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:59:35,855 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 138 [2022-11-23 03:59:35,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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) [2022-11-23 03:59:35,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:35,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 138 [2022-11-23 03:59:35,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:36,163 INFO L130 PetriNetUnfolder]: 147/456 cut-off events. [2022-11-23 03:59:36,163 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 03:59:36,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 456 events. 147/456 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2257 event pairs, 66 based on Foata normal form. 0/432 useless extension candidates. Maximal degree in co-relation 777. Up to 242 conditions per place. [2022-11-23 03:59:36,170 INFO L137 encePairwiseOnDemand]: 127/138 looper letters, 41 selfloop transitions, 22 changer transitions 0/79 dead transitions. [2022-11-23 03:59:36,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 79 transitions, 287 flow [2022-11-23 03:59:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:59:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:59:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2022-11-23 03:59:36,189 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6280193236714976 [2022-11-23 03:59:36,190 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 520 transitions. [2022-11-23 03:59:36,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 520 transitions. [2022-11-23 03:59:36,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:36,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 520 transitions. [2022-11-23 03:59:36,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 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) [2022-11-23 03:59:36,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:36,211 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:36,214 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 520 transitions. [2022-11-23 03:59:36,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 79 transitions, 287 flow [2022-11-23 03:59:36,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 79 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:59:36,221 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2022-11-23 03:59:36,223 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2022-11-23 03:59:36,228 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2022-11-23 03:59:36,229 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2022-11-23 03:59:36,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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) [2022-11-23 03:59:36,230 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:36,230 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:59:36,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:59:36,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:36,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:36,231 INFO L85 PathProgramCache]: Analyzing trace with hash 206711849, now seen corresponding path program 1 times [2022-11-23 03:59:36,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:36,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152019738] [2022-11-23 03:59:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:36,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:36,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152019738] [2022-11-23 03:59:36,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152019738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:36,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:36,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:59:36,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15191844] [2022-11-23 03:59:36,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:36,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:59:36,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:36,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:59:36,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:59:36,699 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 138 [2022-11-23 03:59:36,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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) [2022-11-23 03:59:36,700 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:36,700 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 138 [2022-11-23 03:59:36,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:36,889 INFO L130 PetriNetUnfolder]: 189/580 cut-off events. [2022-11-23 03:59:36,889 INFO L131 PetriNetUnfolder]: For 137/140 co-relation queries the response was YES. [2022-11-23 03:59:36,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1204 conditions, 580 events. 189/580 cut-off events. For 137/140 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3076 event pairs, 76 based on Foata normal form. 0/555 useless extension candidates. Maximal degree in co-relation 1191. Up to 306 conditions per place. [2022-11-23 03:59:36,895 INFO L137 encePairwiseOnDemand]: 127/138 looper letters, 57 selfloop transitions, 26 changer transitions 0/103 dead transitions. [2022-11-23 03:59:36,895 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 103 transitions, 500 flow [2022-11-23 03:59:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:59:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:59:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 523 transitions. [2022-11-23 03:59:36,899 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6316425120772947 [2022-11-23 03:59:36,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 523 transitions. [2022-11-23 03:59:36,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 523 transitions. [2022-11-23 03:59:36,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:36,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 523 transitions. [2022-11-23 03:59:36,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 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) [2022-11-23 03:59:36,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:36,904 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:36,904 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 523 transitions. [2022-11-23 03:59:36,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 103 transitions, 500 flow [2022-11-23 03:59:36,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 103 transitions, 500 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:59:36,910 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2022-11-23 03:59:36,911 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2022-11-23 03:59:36,911 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2022-11-23 03:59:36,912 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2022-11-23 03:59:36,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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) [2022-11-23 03:59:36,912 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:36,913 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:59:36,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:59:36,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:36,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:36,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1889859025, now seen corresponding path program 1 times [2022-11-23 03:59:36,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:36,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591414439] [2022-11-23 03:59:36,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:36,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:37,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:37,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591414439] [2022-11-23 03:59:37,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591414439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:37,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:37,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:59:37,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600414024] [2022-11-23 03:59:37,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:37,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:59:37,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:37,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:59:37,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:59:37,292 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 138 [2022-11-23 03:59:37,293 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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) [2022-11-23 03:59:37,293 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:37,293 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 138 [2022-11-23 03:59:37,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:37,668 INFO L130 PetriNetUnfolder]: 379/906 cut-off events. [2022-11-23 03:59:37,668 INFO L131 PetriNetUnfolder]: For 581/584 co-relation queries the response was YES. [2022-11-23 03:59:37,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 906 events. 379/906 cut-off events. For 581/584 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4666 event pairs, 147 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 2481. Up to 663 conditions per place. [2022-11-23 03:59:37,679 INFO L137 encePairwiseOnDemand]: 123/138 looper letters, 88 selfloop transitions, 53 changer transitions 0/150 dead transitions. [2022-11-23 03:59:37,679 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 150 transitions, 960 flow [2022-11-23 03:59:37,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:59:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:59:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2022-11-23 03:59:37,682 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5809178743961353 [2022-11-23 03:59:37,682 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 481 transitions. [2022-11-23 03:59:37,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 481 transitions. [2022-11-23 03:59:37,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:37,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 481 transitions. [2022-11-23 03:59:37,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 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) [2022-11-23 03:59:37,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:37,687 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:37,687 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 481 transitions. [2022-11-23 03:59:37,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 150 transitions, 960 flow [2022-11-23 03:59:37,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 150 transitions, 960 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-23 03:59:37,701 INFO L231 Difference]: Finished difference. Result has 74 places, 130 transitions, 892 flow [2022-11-23 03:59:37,701 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=892, PETRI_PLACES=74, PETRI_TRANSITIONS=130} [2022-11-23 03:59:37,703 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2022-11-23 03:59:37,703 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 130 transitions, 892 flow [2022-11-23 03:59:37,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.33333333333333) internal successors, (404), 6 states have internal predecessors, (404), 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) [2022-11-23 03:59:37,704 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:37,704 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:59:37,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:59:37,705 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:37,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1401191036, now seen corresponding path program 1 times [2022-11-23 03:59:37,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:37,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979548210] [2022-11-23 03:59:37,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:38,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:38,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979548210] [2022-11-23 03:59:38,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979548210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:38,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:38,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:59:38,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197574296] [2022-11-23 03:59:38,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:38,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:59:38,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:38,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:59:38,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:59:38,127 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 138 [2022-11-23 03:59:38,128 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 130 transitions, 892 flow. Second operand has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 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) [2022-11-23 03:59:38,128 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:38,128 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 138 [2022-11-23 03:59:38,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:38,468 INFO L130 PetriNetUnfolder]: 472/1106 cut-off events. [2022-11-23 03:59:38,468 INFO L131 PetriNetUnfolder]: For 1477/1505 co-relation queries the response was YES. [2022-11-23 03:59:38,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3737 conditions, 1106 events. 472/1106 cut-off events. For 1477/1505 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5961 event pairs, 125 based on Foata normal form. 1/1057 useless extension candidates. Maximal degree in co-relation 3714. Up to 821 conditions per place. [2022-11-23 03:59:38,480 INFO L137 encePairwiseOnDemand]: 119/138 looper letters, 128 selfloop transitions, 83 changer transitions 0/220 dead transitions. [2022-11-23 03:59:38,481 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 220 transitions, 1768 flow [2022-11-23 03:59:38,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:59:38,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:59:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 499 transitions. [2022-11-23 03:59:38,488 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6026570048309179 [2022-11-23 03:59:38,488 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 499 transitions. [2022-11-23 03:59:38,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 499 transitions. [2022-11-23 03:59:38,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:38,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 499 transitions. [2022-11-23 03:59:38,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.16666666666667) internal successors, (499), 6 states have internal predecessors, (499), 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) [2022-11-23 03:59:38,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:38,497 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:38,498 INFO L175 Difference]: Start difference. First operand has 74 places, 130 transitions, 892 flow. Second operand 6 states and 499 transitions. [2022-11-23 03:59:38,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 220 transitions, 1768 flow [2022-11-23 03:59:38,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 220 transitions, 1712 flow, removed 28 selfloop flow, removed 0 redundant places. [2022-11-23 03:59:38,515 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1600 flow [2022-11-23 03:59:38,516 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1600, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2022-11-23 03:59:38,518 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2022-11-23 03:59:38,518 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1600 flow [2022-11-23 03:59:38,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 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) [2022-11-23 03:59:38,519 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:38,519 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:59:38,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:59:38,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:38,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:38,520 INFO L85 PathProgramCache]: Analyzing trace with hash 738224483, now seen corresponding path program 1 times [2022-11-23 03:59:38,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:38,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189897397] [2022-11-23 03:59:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:38,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:38,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:38,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189897397] [2022-11-23 03:59:38,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189897397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:38,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:38,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:59:38,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138290649] [2022-11-23 03:59:38,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:38,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:59:38,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:38,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:59:38,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:59:38,612 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 138 [2022-11-23 03:59:38,612 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 199 transitions, 1600 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2022-11-23 03:59:38,613 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:38,613 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 138 [2022-11-23 03:59:38,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:38,663 INFO L130 PetriNetUnfolder]: 40/164 cut-off events. [2022-11-23 03:59:38,664 INFO L131 PetriNetUnfolder]: For 214/214 co-relation queries the response was YES. [2022-11-23 03:59:38,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 164 events. 40/164 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 502 event pairs, 5 based on Foata normal form. 8/161 useless extension candidates. Maximal degree in co-relation 533. Up to 54 conditions per place. [2022-11-23 03:59:38,665 INFO L137 encePairwiseOnDemand]: 134/138 looper letters, 9 selfloop transitions, 5 changer transitions 0/59 dead transitions. [2022-11-23 03:59:38,666 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 59 transitions, 382 flow [2022-11-23 03:59:38,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:59:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 03:59:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions. [2022-11-23 03:59:38,667 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6642512077294686 [2022-11-23 03:59:38,668 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 275 transitions. [2022-11-23 03:59:38,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 275 transitions. [2022-11-23 03:59:38,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:38,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 275 transitions. [2022-11-23 03:59:38,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2022-11-23 03:59:38,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 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) [2022-11-23 03:59:38,670 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 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) [2022-11-23 03:59:38,671 INFO L175 Difference]: Start difference. First operand has 84 places, 199 transitions, 1600 flow. Second operand 3 states and 275 transitions. [2022-11-23 03:59:38,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 59 transitions, 382 flow [2022-11-23 03:59:38,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 256 flow, removed 33 selfloop flow, removed 30 redundant places. [2022-11-23 03:59:38,674 INFO L231 Difference]: Finished difference. Result has 53 places, 59 transitions, 238 flow [2022-11-23 03:59:38,675 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=53, PETRI_TRANSITIONS=59} [2022-11-23 03:59:38,675 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 8 predicate places. [2022-11-23 03:59:38,676 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 59 transitions, 238 flow [2022-11-23 03:59:38,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2022-11-23 03:59:38,676 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:38,676 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] [2022-11-23 03:59:38,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:59:38,677 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:38,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:38,678 INFO L85 PathProgramCache]: Analyzing trace with hash 692849627, now seen corresponding path program 1 times [2022-11-23 03:59:38,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:38,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611309110] [2022-11-23 03:59:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:39,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:39,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611309110] [2022-11-23 03:59:39,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611309110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:39,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:39,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:59:39,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522839911] [2022-11-23 03:59:39,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:39,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:59:39,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:39,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:59:39,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:59:39,227 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 138 [2022-11-23 03:59:39,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 59 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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) [2022-11-23 03:59:39,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:39,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 138 [2022-11-23 03:59:39,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:39,408 INFO L130 PetriNetUnfolder]: 97/283 cut-off events. [2022-11-23 03:59:39,409 INFO L131 PetriNetUnfolder]: For 119/123 co-relation queries the response was YES. [2022-11-23 03:59:39,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 283 events. 97/283 cut-off events. For 119/123 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1094 event pairs, 7 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 833. Up to 158 conditions per place. [2022-11-23 03:59:39,411 INFO L137 encePairwiseOnDemand]: 128/138 looper letters, 53 selfloop transitions, 25 changer transitions 19/110 dead transitions. [2022-11-23 03:59:39,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 110 transitions, 670 flow [2022-11-23 03:59:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:59:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-23 03:59:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 516 transitions. [2022-11-23 03:59:39,413 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2022-11-23 03:59:39,413 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 516 transitions. [2022-11-23 03:59:39,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 516 transitions. [2022-11-23 03:59:39,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:39,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 516 transitions. [2022-11-23 03:59:39,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 86.0) internal successors, (516), 6 states have internal predecessors, (516), 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) [2022-11-23 03:59:39,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:39,418 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 138.0) internal successors, (966), 7 states have internal predecessors, (966), 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) [2022-11-23 03:59:39,418 INFO L175 Difference]: Start difference. First operand has 53 places, 59 transitions, 238 flow. Second operand 6 states and 516 transitions. [2022-11-23 03:59:39,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 110 transitions, 670 flow [2022-11-23 03:59:39,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 110 transitions, 653 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 03:59:39,422 INFO L231 Difference]: Finished difference. Result has 62 places, 79 transitions, 449 flow [2022-11-23 03:59:39,423 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=449, PETRI_PLACES=62, PETRI_TRANSITIONS=79} [2022-11-23 03:59:39,423 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 17 predicate places. [2022-11-23 03:59:39,424 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 79 transitions, 449 flow [2022-11-23 03:59:39,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 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) [2022-11-23 03:59:39,424 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:39,425 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] [2022-11-23 03:59:39,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:59:39,425 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:39,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:39,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1703677905, now seen corresponding path program 1 times [2022-11-23 03:59:39,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:39,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791894707] [2022-11-23 03:59:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:39,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:39,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:39,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791894707] [2022-11-23 03:59:39,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791894707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:39,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:39,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:59:39,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090726187] [2022-11-23 03:59:39,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:39,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:59:39,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:39,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:59:39,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:59:40,185 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 138 [2022-11-23 03:59:40,186 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 79 transitions, 449 flow. Second operand has 9 states, 9 states have (on average 65.11111111111111) internal successors, (586), 9 states have internal predecessors, (586), 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) [2022-11-23 03:59:40,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:40,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 138 [2022-11-23 03:59:40,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:40,560 INFO L130 PetriNetUnfolder]: 95/296 cut-off events. [2022-11-23 03:59:40,561 INFO L131 PetriNetUnfolder]: For 240/240 co-relation queries the response was YES. [2022-11-23 03:59:40,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 296 events. 95/296 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1153 event pairs, 31 based on Foata normal form. 9/305 useless extension candidates. Maximal degree in co-relation 1088. Up to 117 conditions per place. [2022-11-23 03:59:40,563 INFO L137 encePairwiseOnDemand]: 130/138 looper letters, 68 selfloop transitions, 27 changer transitions 16/117 dead transitions. [2022-11-23 03:59:40,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 117 transitions, 887 flow [2022-11-23 03:59:40,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:59:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-23 03:59:40,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 561 transitions. [2022-11-23 03:59:40,566 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5081521739130435 [2022-11-23 03:59:40,566 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 561 transitions. [2022-11-23 03:59:40,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 561 transitions. [2022-11-23 03:59:40,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:40,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 561 transitions. [2022-11-23 03:59:40,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 70.125) internal successors, (561), 8 states have internal predecessors, (561), 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) [2022-11-23 03:59:40,571 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:40,572 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:40,572 INFO L175 Difference]: Start difference. First operand has 62 places, 79 transitions, 449 flow. Second operand 8 states and 561 transitions. [2022-11-23 03:59:40,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 117 transitions, 887 flow [2022-11-23 03:59:40,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 117 transitions, 869 flow, removed 9 selfloop flow, removed 0 redundant places. [2022-11-23 03:59:40,579 INFO L231 Difference]: Finished difference. Result has 68 places, 77 transitions, 471 flow [2022-11-23 03:59:40,580 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=471, PETRI_PLACES=68, PETRI_TRANSITIONS=77} [2022-11-23 03:59:40,580 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2022-11-23 03:59:40,581 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 77 transitions, 471 flow [2022-11-23 03:59:40,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 65.11111111111111) internal successors, (586), 9 states have internal predecessors, (586), 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) [2022-11-23 03:59:40,581 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:40,583 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] [2022-11-23 03:59:40,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:59:40,583 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:40,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:40,584 INFO L85 PathProgramCache]: Analyzing trace with hash -2042359293, now seen corresponding path program 1 times [2022-11-23 03:59:40,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:40,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642018843] [2022-11-23 03:59:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:40,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:41,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:41,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642018843] [2022-11-23 03:59:41,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642018843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:41,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:41,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:59:41,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275955422] [2022-11-23 03:59:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:41,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:59:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:59:41,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:59:41,469 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 138 [2022-11-23 03:59:41,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 77 transitions, 471 flow. Second operand has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:41,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:41,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 138 [2022-11-23 03:59:41,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:41,810 INFO L130 PetriNetUnfolder]: 127/365 cut-off events. [2022-11-23 03:59:41,811 INFO L131 PetriNetUnfolder]: For 457/457 co-relation queries the response was YES. [2022-11-23 03:59:41,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 365 events. 127/365 cut-off events. For 457/457 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1601 event pairs, 6 based on Foata normal form. 11/376 useless extension candidates. Maximal degree in co-relation 1446. Up to 135 conditions per place. [2022-11-23 03:59:41,813 INFO L137 encePairwiseOnDemand]: 130/138 looper letters, 48 selfloop transitions, 2 changer transitions 99/161 dead transitions. [2022-11-23 03:59:41,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 161 transitions, 1327 flow [2022-11-23 03:59:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 03:59:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-23 03:59:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 733 transitions. [2022-11-23 03:59:41,820 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5901771336553945 [2022-11-23 03:59:41,820 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 733 transitions. [2022-11-23 03:59:41,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 733 transitions. [2022-11-23 03:59:41,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:41,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 733 transitions. [2022-11-23 03:59:41,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 81.44444444444444) internal successors, (733), 9 states have internal predecessors, (733), 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) [2022-11-23 03:59:41,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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) [2022-11-23 03:59:41,825 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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) [2022-11-23 03:59:41,826 INFO L175 Difference]: Start difference. First operand has 68 places, 77 transitions, 471 flow. Second operand 9 states and 733 transitions. [2022-11-23 03:59:41,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 161 transitions, 1327 flow [2022-11-23 03:59:41,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 161 transitions, 1173 flow, removed 15 selfloop flow, removed 7 redundant places. [2022-11-23 03:59:41,832 INFO L231 Difference]: Finished difference. Result has 74 places, 59 transitions, 324 flow [2022-11-23 03:59:41,833 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=324, PETRI_PLACES=74, PETRI_TRANSITIONS=59} [2022-11-23 03:59:41,836 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2022-11-23 03:59:41,836 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 59 transitions, 324 flow [2022-11-23 03:59:41,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:41,837 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:41,837 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] [2022-11-23 03:59:41,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:59:41,837 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:41,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:41,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1854473289, now seen corresponding path program 2 times [2022-11-23 03:59:41,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:41,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657361434] [2022-11-23 03:59:41,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:41,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:42,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:42,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657361434] [2022-11-23 03:59:42,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657361434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:42,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:42,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:59:42,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840092316] [2022-11-23 03:59:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:42,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:59:42,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:42,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:59:42,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:59:42,786 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 138 [2022-11-23 03:59:42,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 59 transitions, 324 flow. Second operand has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:42,787 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:42,787 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 138 [2022-11-23 03:59:42,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:42,923 INFO L130 PetriNetUnfolder]: 46/164 cut-off events. [2022-11-23 03:59:42,923 INFO L131 PetriNetUnfolder]: For 218/219 co-relation queries the response was YES. [2022-11-23 03:59:42,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 164 events. 46/164 cut-off events. For 218/219 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 469 event pairs, 5 based on Foata normal form. 6/170 useless extension candidates. Maximal degree in co-relation 588. Up to 104 conditions per place. [2022-11-23 03:59:42,925 INFO L137 encePairwiseOnDemand]: 130/138 looper letters, 46 selfloop transitions, 9 changer transitions 12/79 dead transitions. [2022-11-23 03:59:42,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 79 transitions, 547 flow [2022-11-23 03:59:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:59:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-23 03:59:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 635 transitions. [2022-11-23 03:59:42,927 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5751811594202898 [2022-11-23 03:59:42,927 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 635 transitions. [2022-11-23 03:59:42,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 635 transitions. [2022-11-23 03:59:42,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:42,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 635 transitions. [2022-11-23 03:59:42,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 79.375) internal successors, (635), 8 states have internal predecessors, (635), 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) [2022-11-23 03:59:42,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:42,932 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:42,932 INFO L175 Difference]: Start difference. First operand has 74 places, 59 transitions, 324 flow. Second operand 8 states and 635 transitions. [2022-11-23 03:59:42,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 79 transitions, 547 flow [2022-11-23 03:59:42,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 79 transitions, 482 flow, removed 23 selfloop flow, removed 8 redundant places. [2022-11-23 03:59:42,936 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 289 flow [2022-11-23 03:59:42,936 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=289, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2022-11-23 03:59:42,937 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 24 predicate places. [2022-11-23 03:59:42,937 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 289 flow [2022-11-23 03:59:42,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:42,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:42,938 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] [2022-11-23 03:59:42,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:59:42,938 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:42,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:42,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1888791885, now seen corresponding path program 3 times [2022-11-23 03:59:42,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:42,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159530998] [2022-11-23 03:59:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:43,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:43,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:43,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159530998] [2022-11-23 03:59:43,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159530998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:43,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:43,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:59:43,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981851481] [2022-11-23 03:59:43,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:43,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:59:43,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:59:43,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:59:43,861 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 138 [2022-11-23 03:59:43,862 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 289 flow. Second operand has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:43,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:43,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 138 [2022-11-23 03:59:43,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:44,094 INFO L130 PetriNetUnfolder]: 66/217 cut-off events. [2022-11-23 03:59:44,095 INFO L131 PetriNetUnfolder]: For 213/214 co-relation queries the response was YES. [2022-11-23 03:59:44,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 217 events. 66/217 cut-off events. For 213/214 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 755 event pairs, 7 based on Foata normal form. 11/227 useless extension candidates. Maximal degree in co-relation 754. Up to 89 conditions per place. [2022-11-23 03:59:44,096 INFO L137 encePairwiseOnDemand]: 131/138 looper letters, 39 selfloop transitions, 3 changer transitions 62/116 dead transitions. [2022-11-23 03:59:44,097 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 116 transitions, 827 flow [2022-11-23 03:59:44,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:59:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-23 03:59:44,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 641 transitions. [2022-11-23 03:59:44,099 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5806159420289855 [2022-11-23 03:59:44,099 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 641 transitions. [2022-11-23 03:59:44,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 641 transitions. [2022-11-23 03:59:44,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:44,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 641 transitions. [2022-11-23 03:59:44,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 80.125) internal successors, (641), 8 states have internal predecessors, (641), 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) [2022-11-23 03:59:44,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:44,104 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:44,104 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 289 flow. Second operand 8 states and 641 transitions. [2022-11-23 03:59:44,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 116 transitions, 827 flow [2022-11-23 03:59:44,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 791 flow, removed 1 selfloop flow, removed 7 redundant places. [2022-11-23 03:59:44,109 INFO L231 Difference]: Finished difference. Result has 72 places, 53 transitions, 266 flow [2022-11-23 03:59:44,109 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=266, PETRI_PLACES=72, PETRI_TRANSITIONS=53} [2022-11-23 03:59:44,110 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 27 predicate places. [2022-11-23 03:59:44,110 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 53 transitions, 266 flow [2022-11-23 03:59:44,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:44,111 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:44,111 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] [2022-11-23 03:59:44,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 03:59:44,111 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:44,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:44,112 INFO L85 PathProgramCache]: Analyzing trace with hash -533761149, now seen corresponding path program 4 times [2022-11-23 03:59:44,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:44,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299533709] [2022-11-23 03:59:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:44,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:44,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299533709] [2022-11-23 03:59:44,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299533709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:44,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:44,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:59:44,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100287223] [2022-11-23 03:59:44,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:44,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:59:44,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:44,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:59:44,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:59:44,988 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 138 [2022-11-23 03:59:44,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 53 transitions, 266 flow. Second operand has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:44,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:44,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 138 [2022-11-23 03:59:44,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:45,204 INFO L130 PetriNetUnfolder]: 39/149 cut-off events. [2022-11-23 03:59:45,205 INFO L131 PetriNetUnfolder]: For 219/219 co-relation queries the response was YES. [2022-11-23 03:59:45,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 149 events. 39/149 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 446 event pairs, 5 based on Foata normal form. 11/160 useless extension candidates. Maximal degree in co-relation 535. Up to 76 conditions per place. [2022-11-23 03:59:45,206 INFO L137 encePairwiseOnDemand]: 130/138 looper letters, 37 selfloop transitions, 8 changer transitions 31/88 dead transitions. [2022-11-23 03:59:45,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 88 transitions, 617 flow [2022-11-23 03:59:45,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 03:59:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-23 03:59:45,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 711 transitions. [2022-11-23 03:59:45,209 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.572463768115942 [2022-11-23 03:59:45,209 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 711 transitions. [2022-11-23 03:59:45,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 711 transitions. [2022-11-23 03:59:45,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:45,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 711 transitions. [2022-11-23 03:59:45,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 79.0) internal successors, (711), 9 states have internal predecessors, (711), 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) [2022-11-23 03:59:45,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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) [2022-11-23 03:59:45,215 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 138.0) internal successors, (1380), 10 states have internal predecessors, (1380), 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) [2022-11-23 03:59:45,215 INFO L175 Difference]: Start difference. First operand has 72 places, 53 transitions, 266 flow. Second operand 9 states and 711 transitions. [2022-11-23 03:59:45,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 88 transitions, 617 flow [2022-11-23 03:59:45,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 88 transitions, 553 flow, removed 20 selfloop flow, removed 10 redundant places. [2022-11-23 03:59:45,221 INFO L231 Difference]: Finished difference. Result has 70 places, 53 transitions, 256 flow [2022-11-23 03:59:45,221 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=256, PETRI_PLACES=70, PETRI_TRANSITIONS=53} [2022-11-23 03:59:45,222 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 25 predicate places. [2022-11-23 03:59:45,222 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 53 transitions, 256 flow [2022-11-23 03:59:45,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:45,222 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 03:59:45,223 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] [2022-11-23 03:59:45,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 03:59:45,223 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-23 03:59:45,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:59:45,224 INFO L85 PathProgramCache]: Analyzing trace with hash 350850953, now seen corresponding path program 5 times [2022-11-23 03:59:45,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:59:45,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885733925] [2022-11-23 03:59:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:59:45,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:59:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:59:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:59:45,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:59:45,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885733925] [2022-11-23 03:59:45,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885733925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:59:45,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:59:45,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:59:45,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271574832] [2022-11-23 03:59:45,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:59:45,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 03:59:45,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:59:45,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 03:59:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:59:46,142 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 138 [2022-11-23 03:59:46,143 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 53 transitions, 256 flow. Second operand has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:46,143 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 03:59:46,143 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 138 [2022-11-23 03:59:46,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 03:59:46,335 INFO L130 PetriNetUnfolder]: 21/92 cut-off events. [2022-11-23 03:59:46,335 INFO L131 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2022-11-23 03:59:46,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 92 events. 21/92 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 172 event pairs, 0 based on Foata normal form. 11/103 useless extension candidates. Maximal degree in co-relation 317. Up to 27 conditions per place. [2022-11-23 03:59:46,336 INFO L137 encePairwiseOnDemand]: 131/138 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2022-11-23 03:59:46,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 76 transitions, 508 flow [2022-11-23 03:59:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:59:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-11-23 03:59:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 629 transitions. [2022-11-23 03:59:46,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5697463768115942 [2022-11-23 03:59:46,339 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 629 transitions. [2022-11-23 03:59:46,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 629 transitions. [2022-11-23 03:59:46,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:59:46,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 629 transitions. [2022-11-23 03:59:46,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 78.625) internal successors, (629), 8 states have internal predecessors, (629), 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) [2022-11-23 03:59:46,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:46,343 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 138.0) internal successors, (1242), 9 states have internal predecessors, (1242), 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) [2022-11-23 03:59:46,344 INFO L175 Difference]: Start difference. First operand has 70 places, 53 transitions, 256 flow. Second operand 8 states and 629 transitions. [2022-11-23 03:59:46,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 76 transitions, 508 flow [2022-11-23 03:59:46,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 76 transitions, 457 flow, removed 14 selfloop flow, removed 8 redundant places. [2022-11-23 03:59:46,346 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2022-11-23 03:59:46,347 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2022-11-23 03:59:46,347 INFO L288 CegarLoopForPetriNet]: 45 programPoint places, 21 predicate places. [2022-11-23 03:59:46,347 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2022-11-23 03:59:46,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 75.11111111111111) internal successors, (676), 9 states have internal predecessors, (676), 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) [2022-11-23 03:59:46,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-23 03:59:46,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-23 03:59:46,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-23 03:59:46,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-23 03:59:46,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-23 03:59:46,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-23 03:59:46,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-23 03:59:46,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-23 03:59:46,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 03:59:46,353 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:59:46,358 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 03:59:46,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:59:46,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:59:46 BasicIcfg [2022-11-23 03:59:46,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:59:46,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:59:46,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:59:46,362 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:59:46,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:59:31" (3/4) ... [2022-11-23 03:59:46,366 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:59:46,372 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 03:59:46,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 03:59:46,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 03:59:46,377 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 03:59:46,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:59:46,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:59:46,408 INFO L158 Benchmark]: Toolchain (without parser) took 16413.71ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 139.1MB in the beginning and 155.5MB in the end (delta: -16.4MB). Peak memory consumption was 100.9MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,408 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:59:46,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.92ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 111.4MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.63ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 108.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,409 INFO L158 Benchmark]: Boogie Preprocessor took 70.25ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 107.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,410 INFO L158 Benchmark]: RCFGBuilder took 579.78ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 91.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,410 INFO L158 Benchmark]: TraceAbstraction took 14878.23ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 91.0MB in the beginning and 158.7MB in the end (delta: -67.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,410 INFO L158 Benchmark]: Witness Printer took 45.30ms. Allocated memory is still 285.2MB. Free memory was 158.7MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:59:46,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.92ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 111.4MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.63ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 108.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.25ms. Allocated memory is still 169.9MB. Free memory was 108.9MB in the beginning and 107.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.78ms. Allocated memory is still 169.9MB. Free memory was 107.0MB in the beginning and 91.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14878.23ms. Allocated memory was 169.9MB in the beginning and 285.2MB in the end (delta: 115.3MB). Free memory was 91.0MB in the beginning and 158.7MB in the end (delta: -67.7MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 45.30ms. Allocated memory is still 285.2MB. Free memory was 158.7MB in the beginning and 155.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 89 PlacesBefore, 45 PlacesAfterwards, 85 TransitionsBefore, 41 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 11748 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3363, independent: 2787, independent conditional: 0, independent unconditional: 2787, dependent: 576, dependent conditional: 0, dependent unconditional: 576, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 770, independent: 698, independent conditional: 0, independent unconditional: 698, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 770, independent: 611, independent conditional: 0, independent unconditional: 611, dependent: 159, dependent conditional: 0, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 159, independent: 87, independent conditional: 0, independent unconditional: 87, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 469, independent: 232, independent conditional: 0, independent unconditional: 232, dependent: 237, dependent conditional: 0, dependent unconditional: 237, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3363, independent: 2089, independent conditional: 0, independent unconditional: 2089, dependent: 504, dependent conditional: 0, dependent unconditional: 504, unknown: 770, unknown conditional: 0, unknown unconditional: 770] , Statistics on independence cache: Total cache size (in pairs): 353, Positive cache size: 293, Positive conditional cache size: 0, Positive unconditional cache size: 293, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1888 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1328 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218 mSDsCounter, 678 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5030 IncrementalHoareTripleChecker+Invalid, 5708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 678 mSolverCounterUnsat, 25 mSDtfsCounter, 5030 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1600occurred in iteration=4, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 2738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 03:59:46,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06c1fe2e-08eb-41d7-9606-0605d16a16df/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE