./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8 --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 3241bc7a4fb5fce7b9ee4eb3820005fca7c10e90159ff3c3ee85c2790d085281 --- 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-e04fb08 [2022-11-16 12:02:52,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:02:52,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:02:52,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:02:52,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:02:52,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:02:52,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:02:52,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:02:53,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:02:53,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:02:53,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:02:53,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:02:53,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:02:53,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:02:53,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:02:53,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:02:53,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:02:53,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:02:53,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:02:53,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:02:53,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:02:53,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:02:53,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:02:53,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:02:53,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:02:53,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:02:53,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:02:53,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:02:53,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:02:53,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:02:53,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:02:53,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:02:53,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:02:53,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:02:53,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:02:53,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:02:53,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:02:53,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:02:53,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:02:53,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:02:53,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:02:53,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:02:53,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:02:53,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:02:53,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:02:53,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:02:53,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:02:53,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:02:53,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:02:53,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:02:53,119 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:02:53,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:02:53,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:02:53,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:02:53,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:02:53,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:02:53,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:02:53,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:02:53,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:02:53,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:02:53,122 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:02:53,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:02:53,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:02:53,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:02:53,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:02:53,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:02:53,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:02:53,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:02:53,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:53,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:02:53,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:02:53,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:02:53,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:02:53,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:02:53,127 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:02:53,127 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:02:53,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:02:53,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3241bc7a4fb5fce7b9ee4eb3820005fca7c10e90159ff3c3ee85c2790d085281 [2022-11-16 12:02:53,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:02:53,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:02:53,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:02:53,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:02:53,602 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:02:53,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2022-11-16 12:02:53,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/data/1ceeba8cf/2ca3b445084e477ebb452767ea471f5a/FLAG57528ce21 [2022-11-16 12:02:54,327 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:02:54,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2022-11-16 12:02:54,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/data/1ceeba8cf/2ca3b445084e477ebb452767ea471f5a/FLAG57528ce21 [2022-11-16 12:02:54,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/data/1ceeba8cf/2ca3b445084e477ebb452767ea471f5a [2022-11-16 12:02:54,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:02:54,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:02:54,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:54,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:02:54,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:02:54,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:54" (1/1) ... [2022-11-16 12:02:54,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4920b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:54, skipping insertion in model container [2022-11-16 12:02:54,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:54" (1/1) ... [2022-11-16 12:02:54,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:02:54,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:02:55,036 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c[1849,1862] [2022-11-16 12:02:55,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:55,048 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:02:55,073 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c[1849,1862] [2022-11-16 12:02:55,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:55,093 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:02:55,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55 WrapperNode [2022-11-16 12:02:55,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:55,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:55,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:02:55,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:02:55,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,140 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2022-11-16 12:02:55,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:55,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:02:55,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:02:55,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:02:55,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,175 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:02:55,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:02:55,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:02:55,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:02:55,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (1/1) ... [2022-11-16 12:02:55,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:55,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:02:55,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:02:55,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:02:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:02:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:02:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:02:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:02:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:02:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:02:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:02:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:02:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:02:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:02:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:02:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:02:55,285 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:02:55,480 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:02:55,482 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:02:55,848 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:02:55,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:02:55,859 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:02:55,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:55 BoogieIcfgContainer [2022-11-16 12:02:55,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:02:55,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:02:55,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:02:55,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:02:55,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:02:54" (1/3) ... [2022-11-16 12:02:55,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4a0df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:55, skipping insertion in model container [2022-11-16 12:02:55,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:55" (2/3) ... [2022-11-16 12:02:55,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4a0df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:55, skipping insertion in model container [2022-11-16 12:02:55,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:55" (3/3) ... [2022-11-16 12:02:55,873 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2022-11-16 12:02:55,883 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:02:55,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:02:55,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-16 12:02:55,897 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:02:55,989 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 12:02:56,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 161 transitions, 338 flow [2022-11-16 12:02:56,225 INFO L130 PetriNetUnfolder]: 7/159 cut-off events. [2022-11-16 12:02:56,225 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:02:56,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 7/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 164 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-11-16 12:02:56,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 161 transitions, 338 flow [2022-11-16 12:02:56,240 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 141 transitions, 294 flow [2022-11-16 12:02:56,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:02:56,267 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;@41ea0e01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:02:56,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-11-16 12:02:56,276 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-11-16 12:02:56,276 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:02:56,277 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:56,278 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] [2022-11-16 12:02:56,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:56,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:56,288 INFO L85 PathProgramCache]: Analyzing trace with hash 767720447, now seen corresponding path program 1 times [2022-11-16 12:02:56,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:56,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505814593] [2022-11-16 12:02:56,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:56,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:56,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:56,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:56,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505814593] [2022-11-16 12:02:56,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505814593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:56,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:56,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:56,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613093209] [2022-11-16 12:02:56,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:56,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:56,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:56,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:56,774 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 161 [2022-11-16 12:02:56,778 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 141 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2022-11-16 12:02:56,779 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:56,779 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 161 [2022-11-16 12:02:56,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:56,946 INFO L130 PetriNetUnfolder]: 16/171 cut-off events. [2022-11-16 12:02:56,947 INFO L131 PetriNetUnfolder]: For 20/27 co-relation queries the response was YES. [2022-11-16 12:02:56,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 171 events. 16/171 cut-off events. For 20/27 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 426 event pairs, 12 based on Foata normal form. 15/155 useless extension candidates. Maximal degree in co-relation 156. Up to 53 conditions per place. [2022-11-16 12:02:56,952 INFO L137 encePairwiseOnDemand]: 155/161 looper letters, 28 selfloop transitions, 2 changer transitions 1/137 dead transitions. [2022-11-16 12:02:56,952 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 137 transitions, 346 flow [2022-11-16 12:02:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2022-11-16 12:02:56,973 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8467908902691511 [2022-11-16 12:02:56,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 409 transitions. [2022-11-16 12:02:56,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions. [2022-11-16 12:02:56,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:56,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions. [2022-11-16 12:02:56,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2022-11-16 12:02:57,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,006 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,009 INFO L175 Difference]: Start difference. First operand has 142 places, 141 transitions, 294 flow. Second operand 3 states and 409 transitions. [2022-11-16 12:02:57,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 137 transitions, 346 flow [2022-11-16 12:02:57,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 137 transitions, 338 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:02:57,036 INFO L231 Difference]: Finished difference. Result has 139 places, 136 transitions, 280 flow [2022-11-16 12:02:57,039 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=139, PETRI_TRANSITIONS=136} [2022-11-16 12:02:57,047 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -3 predicate places. [2022-11-16 12:02:57,047 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 136 transitions, 280 flow [2022-11-16 12:02:57,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2022-11-16 12:02:57,049 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:57,049 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] [2022-11-16 12:02:57,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:02:57,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash 504513334, now seen corresponding path program 1 times [2022-11-16 12:02:57,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:57,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144539240] [2022-11-16 12:02:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:57,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:57,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144539240] [2022-11-16 12:02:57,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144539240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:57,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:57,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:57,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478742292] [2022-11-16 12:02:57,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:57,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:57,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:57,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:57,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:57,203 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 161 [2022-11-16 12:02:57,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-11-16 12:02:57,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:57,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 161 [2022-11-16 12:02:57,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:57,368 INFO L130 PetriNetUnfolder]: 16/169 cut-off events. [2022-11-16 12:02:57,369 INFO L131 PetriNetUnfolder]: For 14/20 co-relation queries the response was YES. [2022-11-16 12:02:57,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 169 events. 16/169 cut-off events. For 14/20 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 430 event pairs, 12 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 197. Up to 49 conditions per place. [2022-11-16 12:02:57,377 INFO L137 encePairwiseOnDemand]: 158/161 looper letters, 24 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2022-11-16 12:02:57,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 135 transitions, 330 flow [2022-11-16 12:02:57,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:57,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 411 transitions. [2022-11-16 12:02:57,383 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8509316770186336 [2022-11-16 12:02:57,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 411 transitions. [2022-11-16 12:02:57,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 411 transitions. [2022-11-16 12:02:57,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:57,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 411 transitions. [2022-11-16 12:02:57,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.0) internal successors, (411), 3 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) [2022-11-16 12:02:57,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,389 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,389 INFO L175 Difference]: Start difference. First operand has 139 places, 136 transitions, 280 flow. Second operand 3 states and 411 transitions. [2022-11-16 12:02:57,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 135 transitions, 330 flow [2022-11-16 12:02:57,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 135 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:02:57,399 INFO L231 Difference]: Finished difference. Result has 137 places, 135 transitions, 278 flow [2022-11-16 12:02:57,399 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=137, PETRI_TRANSITIONS=135} [2022-11-16 12:02:57,401 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -5 predicate places. [2022-11-16 12:02:57,402 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 135 transitions, 278 flow [2022-11-16 12:02:57,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-11-16 12:02:57,403 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:57,404 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:57,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:02:57,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:57,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash -75702412, now seen corresponding path program 1 times [2022-11-16 12:02:57,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:57,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981321158] [2022-11-16 12:02:57,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:57,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:57,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:57,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981321158] [2022-11-16 12:02:57,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981321158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:57,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:57,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:57,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767021869] [2022-11-16 12:02:57,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:57,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:57,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:57,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:57,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:57,499 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 161 [2022-11-16 12:02:57,500 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2022-11-16 12:02:57,500 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:57,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 161 [2022-11-16 12:02:57,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:57,579 INFO L130 PetriNetUnfolder]: 24/268 cut-off events. [2022-11-16 12:02:57,579 INFO L131 PetriNetUnfolder]: For 5/22 co-relation queries the response was YES. [2022-11-16 12:02:57,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 268 events. 24/268 cut-off events. For 5/22 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 977 event pairs, 15 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 288. Up to 44 conditions per place. [2022-11-16 12:02:57,583 INFO L137 encePairwiseOnDemand]: 158/161 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2022-11-16 12:02:57,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 134 transitions, 306 flow [2022-11-16 12:02:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2022-11-16 12:02:57,587 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026915113871635 [2022-11-16 12:02:57,588 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 436 transitions. [2022-11-16 12:02:57,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 436 transitions. [2022-11-16 12:02:57,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:57,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 436 transitions. [2022-11-16 12:02:57,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 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) [2022-11-16 12:02:57,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,594 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,595 INFO L175 Difference]: Start difference. First operand has 137 places, 135 transitions, 278 flow. Second operand 3 states and 436 transitions. [2022-11-16 12:02:57,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 134 transitions, 306 flow [2022-11-16 12:02:57,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:02:57,617 INFO L231 Difference]: Finished difference. Result has 136 places, 134 transitions, 276 flow [2022-11-16 12:02:57,617 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=136, PETRI_TRANSITIONS=134} [2022-11-16 12:02:57,618 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -6 predicate places. [2022-11-16 12:02:57,619 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 134 transitions, 276 flow [2022-11-16 12:02:57,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 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) [2022-11-16 12:02:57,620 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:57,620 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:57,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:02:57,620 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:57,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:57,621 INFO L85 PathProgramCache]: Analyzing trace with hash 721617180, now seen corresponding path program 1 times [2022-11-16 12:02:57,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:57,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130358854] [2022-11-16 12:02:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:57,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:57,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:57,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130358854] [2022-11-16 12:02:57,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130358854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:57,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:57,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631132274] [2022-11-16 12:02:57,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:57,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:57,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:57,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:57,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:57,684 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 161 [2022-11-16 12:02:57,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-11-16 12:02:57,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:57,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 161 [2022-11-16 12:02:57,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:57,764 INFO L130 PetriNetUnfolder]: 13/158 cut-off events. [2022-11-16 12:02:57,764 INFO L131 PetriNetUnfolder]: For 2/7 co-relation queries the response was YES. [2022-11-16 12:02:57,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 158 events. 13/158 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 375 event pairs, 6 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 173. Up to 30 conditions per place. [2022-11-16 12:02:57,766 INFO L137 encePairwiseOnDemand]: 152/161 looper letters, 20 selfloop transitions, 3 changer transitions 0/130 dead transitions. [2022-11-16 12:02:57,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 130 transitions, 315 flow [2022-11-16 12:02:57,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2022-11-16 12:02:57,769 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.855072463768116 [2022-11-16 12:02:57,769 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 413 transitions. [2022-11-16 12:02:57,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 413 transitions. [2022-11-16 12:02:57,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:57,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 413 transitions. [2022-11-16 12:02:57,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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) [2022-11-16 12:02:57,774 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,774 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,774 INFO L175 Difference]: Start difference. First operand has 136 places, 134 transitions, 276 flow. Second operand 3 states and 413 transitions. [2022-11-16 12:02:57,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 130 transitions, 315 flow [2022-11-16 12:02:57,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 130 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:02:57,779 INFO L231 Difference]: Finished difference. Result has 131 places, 129 transitions, 273 flow [2022-11-16 12:02:57,780 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=131, PETRI_TRANSITIONS=129} [2022-11-16 12:02:57,781 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -11 predicate places. [2022-11-16 12:02:57,781 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 129 transitions, 273 flow [2022-11-16 12:02:57,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-11-16 12:02:57,782 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:57,782 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:57,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:02:57,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:57,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:57,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1984383428, now seen corresponding path program 1 times [2022-11-16 12:02:57,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:57,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360838687] [2022-11-16 12:02:57,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:57,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:57,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:57,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:57,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360838687] [2022-11-16 12:02:57,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360838687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:57,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:57,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:57,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444478876] [2022-11-16 12:02:57,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:57,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:57,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:57,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:57,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:57,843 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 161 [2022-11-16 12:02:57,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 129 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2022-11-16 12:02:57,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:57,845 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 161 [2022-11-16 12:02:57,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:57,917 INFO L130 PetriNetUnfolder]: 13/154 cut-off events. [2022-11-16 12:02:57,918 INFO L131 PetriNetUnfolder]: For 12/16 co-relation queries the response was YES. [2022-11-16 12:02:57,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 154 events. 13/154 cut-off events. For 12/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 378 event pairs, 6 based on Foata normal form. 1/139 useless extension candidates. Maximal degree in co-relation 152. Up to 27 conditions per place. [2022-11-16 12:02:57,920 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 15 selfloop transitions, 3 changer transitions 5/126 dead transitions. [2022-11-16 12:02:57,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 126 transitions, 308 flow [2022-11-16 12:02:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2022-11-16 12:02:57,922 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.865424430641822 [2022-11-16 12:02:57,923 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 418 transitions. [2022-11-16 12:02:57,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 418 transitions. [2022-11-16 12:02:57,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:57,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 418 transitions. [2022-11-16 12:02:57,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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) [2022-11-16 12:02:57,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,928 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:57,928 INFO L175 Difference]: Start difference. First operand has 131 places, 129 transitions, 273 flow. Second operand 3 states and 418 transitions. [2022-11-16 12:02:57,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 126 transitions, 308 flow [2022-11-16 12:02:57,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 126 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:02:57,932 INFO L231 Difference]: Finished difference. Result has 128 places, 120 transitions, 262 flow [2022-11-16 12:02:57,933 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=128, PETRI_TRANSITIONS=120} [2022-11-16 12:02:57,934 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -14 predicate places. [2022-11-16 12:02:57,934 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 262 flow [2022-11-16 12:02:57,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2022-11-16 12:02:57,935 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:57,935 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:57,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:02:57,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:57,937 INFO L85 PathProgramCache]: Analyzing trace with hash 784432790, now seen corresponding path program 1 times [2022-11-16 12:02:57,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:57,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101771379] [2022-11-16 12:02:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:58,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101771379] [2022-11-16 12:02:58,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101771379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:58,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:58,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:58,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609737087] [2022-11-16 12:02:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:58,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:58,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:58,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:58,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:58,085 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 161 [2022-11-16 12:02:58,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 262 flow. Second operand has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2022-11-16 12:02:58,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:58,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 161 [2022-11-16 12:02:58,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:58,163 INFO L130 PetriNetUnfolder]: 17/232 cut-off events. [2022-11-16 12:02:58,163 INFO L131 PetriNetUnfolder]: For 7/15 co-relation queries the response was YES. [2022-11-16 12:02:58,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 232 events. 17/232 cut-off events. For 7/15 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 729 event pairs, 4 based on Foata normal form. 1/212 useless extension candidates. Maximal degree in co-relation 205. Up to 29 conditions per place. [2022-11-16 12:02:58,166 INFO L137 encePairwiseOnDemand]: 157/161 looper letters, 10 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2022-11-16 12:02:58,166 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 121 transitions, 289 flow [2022-11-16 12:02:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2022-11-16 12:02:58,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.917184265010352 [2022-11-16 12:02:58,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 443 transitions. [2022-11-16 12:02:58,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 443 transitions. [2022-11-16 12:02:58,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:58,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 443 transitions. [2022-11-16 12:02:58,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 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) [2022-11-16 12:02:58,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:58,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:58,173 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 262 flow. Second operand 3 states and 443 transitions. [2022-11-16 12:02:58,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 121 transitions, 289 flow [2022-11-16 12:02:58,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 121 transitions, 286 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:02:58,178 INFO L231 Difference]: Finished difference. Result has 123 places, 120 transitions, 269 flow [2022-11-16 12:02:58,178 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=123, PETRI_TRANSITIONS=120} [2022-11-16 12:02:58,179 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -19 predicate places. [2022-11-16 12:02:58,179 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 120 transitions, 269 flow [2022-11-16 12:02:58,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 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) [2022-11-16 12:02:58,180 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:58,181 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:58,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:02:58,181 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:58,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:58,182 INFO L85 PathProgramCache]: Analyzing trace with hash 854582677, now seen corresponding path program 1 times [2022-11-16 12:02:58,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:58,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520403893] [2022-11-16 12:02:58,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:58,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:58,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:58,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520403893] [2022-11-16 12:02:58,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520403893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:58,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:58,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:58,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103565178] [2022-11-16 12:02:58,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:58,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:58,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:58,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:58,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:58,256 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 161 [2022-11-16 12:02:58,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 120 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2022-11-16 12:02:58,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:58,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 161 [2022-11-16 12:02:58,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:58,339 INFO L130 PetriNetUnfolder]: 19/174 cut-off events. [2022-11-16 12:02:58,340 INFO L131 PetriNetUnfolder]: For 3/8 co-relation queries the response was YES. [2022-11-16 12:02:58,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 174 events. 19/174 cut-off events. For 3/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 479 event pairs, 10 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 161. Up to 40 conditions per place. [2022-11-16 12:02:58,341 INFO L137 encePairwiseOnDemand]: 158/161 looper letters, 19 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2022-11-16 12:02:58,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 312 flow [2022-11-16 12:02:58,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions. [2022-11-16 12:02:58,344 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2022-11-16 12:02:58,344 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2022-11-16 12:02:58,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2022-11-16 12:02:58,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:58,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2022-11-16 12:02:58,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 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) [2022-11-16 12:02:58,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:58,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:58,349 INFO L175 Difference]: Start difference. First operand has 123 places, 120 transitions, 269 flow. Second operand 3 states and 399 transitions. [2022-11-16 12:02:58,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 120 transitions, 312 flow [2022-11-16 12:02:58,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 120 transitions, 312 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:02:58,353 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 271 flow [2022-11-16 12:02:58,353 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2022-11-16 12:02:58,354 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -18 predicate places. [2022-11-16 12:02:58,354 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 271 flow [2022-11-16 12:02:58,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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) [2022-11-16 12:02:58,355 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:58,355 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:58,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:02:58,356 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:58,357 INFO L85 PathProgramCache]: Analyzing trace with hash 472268128, now seen corresponding path program 1 times [2022-11-16 12:02:58,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:58,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833805262] [2022-11-16 12:02:58,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:58,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:59,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:59,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833805262] [2022-11-16 12:02:59,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833805262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:59,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:59,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:02:59,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433321202] [2022-11-16 12:02:59,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:59,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:02:59,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:59,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:02:59,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:02:59,016 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 161 [2022-11-16 12:02:59,017 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 271 flow. Second operand has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 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) [2022-11-16 12:02:59,018 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:59,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 161 [2022-11-16 12:02:59,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:59,127 INFO L130 PetriNetUnfolder]: 6/141 cut-off events. [2022-11-16 12:02:59,127 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:02:59,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 141 events. 6/141 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 217 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 170. Up to 9 conditions per place. [2022-11-16 12:02:59,131 INFO L137 encePairwiseOnDemand]: 156/161 looper letters, 14 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2022-11-16 12:02:59,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 118 transitions, 305 flow [2022-11-16 12:02:59,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:02:59,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:02:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 823 transitions. [2022-11-16 12:02:59,135 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8519668737060041 [2022-11-16 12:02:59,135 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 823 transitions. [2022-11-16 12:02:59,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 823 transitions. [2022-11-16 12:02:59,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:59,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 823 transitions. [2022-11-16 12:02:59,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 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) [2022-11-16 12:02:59,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 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) [2022-11-16 12:02:59,159 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 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) [2022-11-16 12:02:59,160 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 271 flow. Second operand 6 states and 823 transitions. [2022-11-16 12:02:59,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 118 transitions, 305 flow [2022-11-16 12:02:59,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 118 transitions, 301 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:02:59,163 INFO L231 Difference]: Finished difference. Result has 126 places, 118 transitions, 273 flow [2022-11-16 12:02:59,164 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=273, PETRI_PLACES=126, PETRI_TRANSITIONS=118} [2022-11-16 12:02:59,168 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -16 predicate places. [2022-11-16 12:02:59,168 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 118 transitions, 273 flow [2022-11-16 12:02:59,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.83333333333334) internal successors, (815), 6 states have internal predecessors, (815), 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) [2022-11-16 12:02:59,169 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:59,169 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:59,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:02:59,170 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:59,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:59,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1600688921, now seen corresponding path program 1 times [2022-11-16 12:02:59,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:59,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30246704] [2022-11-16 12:02:59,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:59,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:59,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:59,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30246704] [2022-11-16 12:02:59,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30246704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:59,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:59,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:59,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754172163] [2022-11-16 12:02:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:59,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:59,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:59,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:59,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:59,226 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 161 [2022-11-16 12:02:59,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 273 flow. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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) [2022-11-16 12:02:59,227 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:59,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 161 [2022-11-16 12:02:59,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:59,284 INFO L130 PetriNetUnfolder]: 19/169 cut-off events. [2022-11-16 12:02:59,285 INFO L131 PetriNetUnfolder]: For 15/18 co-relation queries the response was YES. [2022-11-16 12:02:59,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 169 events. 19/169 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 487 event pairs, 8 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 175. Up to 45 conditions per place. [2022-11-16 12:02:59,286 INFO L137 encePairwiseOnDemand]: 158/161 looper letters, 17 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2022-11-16 12:02:59,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 118 transitions, 312 flow [2022-11-16 12:02:59,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:02:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 406 transitions. [2022-11-16 12:02:59,289 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8405797101449275 [2022-11-16 12:02:59,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 406 transitions. [2022-11-16 12:02:59,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 406 transitions. [2022-11-16 12:02:59,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:59,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 406 transitions. [2022-11-16 12:02:59,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2022-11-16 12:02:59,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:59,294 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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) [2022-11-16 12:02:59,294 INFO L175 Difference]: Start difference. First operand has 126 places, 118 transitions, 273 flow. Second operand 3 states and 406 transitions. [2022-11-16 12:02:59,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 118 transitions, 312 flow [2022-11-16 12:02:59,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 118 transitions, 305 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:02:59,298 INFO L231 Difference]: Finished difference. Result has 123 places, 117 transitions, 268 flow [2022-11-16 12:02:59,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=123, PETRI_TRANSITIONS=117} [2022-11-16 12:02:59,300 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -19 predicate places. [2022-11-16 12:02:59,300 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 117 transitions, 268 flow [2022-11-16 12:02:59,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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) [2022-11-16 12:02:59,301 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:02:59,301 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:59,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:02:59,302 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2022-11-16 12:02:59,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:59,302 INFO L85 PathProgramCache]: Analyzing trace with hash 226213887, now seen corresponding path program 1 times [2022-11-16 12:02:59,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:59,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041130720] [2022-11-16 12:02:59,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:59,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:59,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:59,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041130720] [2022-11-16 12:02:59,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041130720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:59,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:59,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:02:59,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819806198] [2022-11-16 12:02:59,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:59,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:02:59,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:59,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:02:59,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:02:59,768 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 161 [2022-11-16 12:02:59,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 117 transitions, 268 flow. Second operand has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 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) [2022-11-16 12:02:59,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:02:59,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 161 [2022-11-16 12:02:59,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:02:59,855 INFO L130 PetriNetUnfolder]: 6/138 cut-off events. [2022-11-16 12:02:59,855 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 12:02:59,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 138 events. 6/138 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 206 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 160. Up to 13 conditions per place. [2022-11-16 12:02:59,857 INFO L137 encePairwiseOnDemand]: 156/161 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2022-11-16 12:02:59,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 116 transitions, 300 flow [2022-11-16 12:02:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:02:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:02:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 822 transitions. [2022-11-16 12:02:59,861 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8509316770186336 [2022-11-16 12:02:59,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 822 transitions. [2022-11-16 12:02:59,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 822 transitions. [2022-11-16 12:02:59,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:02:59,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 822 transitions. [2022-11-16 12:02:59,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 137.0) internal successors, (822), 6 states have internal predecessors, (822), 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) [2022-11-16 12:02:59,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 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) [2022-11-16 12:02:59,870 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 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) [2022-11-16 12:02:59,870 INFO L175 Difference]: Start difference. First operand has 123 places, 117 transitions, 268 flow. Second operand 6 states and 822 transitions. [2022-11-16 12:02:59,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 116 transitions, 300 flow [2022-11-16 12:02:59,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 116 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:02:59,873 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2022-11-16 12:02:59,875 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2022-11-16 12:02:59,876 INFO L288 CegarLoopForPetriNet]: 142 programPoint places, -17 predicate places. [2022-11-16 12:02:59,876 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2022-11-16 12:02:59,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 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) [2022-11-16 12:02:59,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2022-11-16 12:02:59,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2022-11-16 12:02:59,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2022-11-16 12:02:59,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2022-11-16 12:02:59,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2022-11-16 12:02:59,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2022-11-16 12:02:59,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2022-11-16 12:02:59,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2022-11-16 12:02:59,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2022-11-16 12:02:59,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2022-11-16 12:02:59,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2022-11-16 12:02:59,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2022-11-16 12:02:59,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2022-11-16 12:02:59,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2022-11-16 12:02:59,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2022-11-16 12:02:59,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2022-11-16 12:02:59,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2022-11-16 12:02:59,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2022-11-16 12:02:59,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2022-11-16 12:02:59,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2022-11-16 12:02:59,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2022-11-16 12:02:59,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2022-11-16 12:02:59,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2022-11-16 12:02:59,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2022-11-16 12:02:59,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2022-11-16 12:02:59,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2022-11-16 12:02:59,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2022-11-16 12:02:59,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2022-11-16 12:02:59,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2022-11-16 12:02:59,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2022-11-16 12:02:59,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2022-11-16 12:02:59,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2022-11-16 12:02:59,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:02:59,898 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:59,906 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:02:59,906 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:02:59,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:02:59 BasicIcfg [2022-11-16 12:02:59,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:02:59,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:02:59,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:02:59,914 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:02:59,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:55" (3/4) ... [2022-11-16 12:02:59,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:02:59,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:02:59,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:02:59,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 12:02:59,935 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:02:59,936 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:02:59,936 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:02:59,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:02:59,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:02:59,999 INFO L158 Benchmark]: Toolchain (without parser) took 5297.75ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 104.9MB in the beginning and 122.5MB in the end (delta: -17.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:00,000 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory was 111.9MB in the beginning and 111.9MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:03:00,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.33ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 114.1MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:03:00,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.71ms. Allocated memory is still 140.5MB. Free memory was 113.6MB in the beginning and 112.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:00,004 INFO L158 Benchmark]: Boogie Preprocessor took 37.53ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:03:00,004 INFO L158 Benchmark]: RCFGBuilder took 682.24ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 94.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:03:00,005 INFO L158 Benchmark]: TraceAbstraction took 4048.66ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 93.7MB in the beginning and 125.7MB in the end (delta: -32.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-16 12:03:00,006 INFO L158 Benchmark]: Witness Printer took 84.26ms. Allocated memory is still 186.6MB. Free memory was 125.7MB in the beginning and 122.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:00,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 140.5MB. Free memory was 111.9MB in the beginning and 111.9MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.33ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 114.1MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.71ms. Allocated memory is still 140.5MB. Free memory was 113.6MB in the beginning and 112.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.53ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 682.24ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 94.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4048.66ms. Allocated memory was 140.5MB in the beginning and 186.6MB in the end (delta: 46.1MB). Free memory was 93.7MB in the beginning and 125.7MB in the end (delta: -32.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Witness Printer took 84.26ms. Allocated memory is still 186.6MB. Free memory was 125.7MB in the beginning and 122.5MB 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: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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 5 procedures, 201 locations, 32 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: 3.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 126 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 126 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 1.6s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 486 ConstructedInterpolants, 0 QuantifiedInterpolants, 664 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:03:00,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_628b7039-8467-41e0-a870-834f6a91dd10/bin/uautomizer-tPACEb0tL8/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