./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a --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 f484a00c18d1df7ceedc12992e35584262ebeacdaf88de41be4bc57f4fb5401d --- 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-b5237d8 [2022-11-21 16:27:57,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:27:57,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:27:57,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:27:57,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:27:57,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:27:57,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:27:57,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:27:57,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:27:57,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:27:57,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:27:57,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:27:57,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:27:57,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:27:57,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:27:57,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:27:57,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:27:57,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:27:57,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:27:57,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:27:57,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:27:57,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:27:57,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:27:57,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:27:57,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:27:57,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:27:57,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:27:57,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:27:57,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:27:57,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:27:57,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:27:57,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:27:57,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:27:57,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:27:57,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:27:57,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:27:57,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:27:57,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:27:57,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:27:57,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:27:57,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:27:57,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:27:57,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:27:57,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:27:57,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:27:57,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:27:57,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:27:57,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:27:57,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:27:57,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:27:57,302 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:27:57,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:27:57,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:27:57,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:27:57,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:27:57,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:27:57,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:27:57,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:27:57,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:27:57,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:27:57,306 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:27:57,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:27:57,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:27:57,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:27:57,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:27:57,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:27:57,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:27:57,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:27:57,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:27:57,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:27:57,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:27:57,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:27:57,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:27:57,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:27:57,310 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:27:57,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:27:57,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:27:57,310 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_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f484a00c18d1df7ceedc12992e35584262ebeacdaf88de41be4bc57f4fb5401d [2022-11-21 16:27:57,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:27:57,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:27:57,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:27:57,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:27:57,648 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:27:57,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2022-11-21 16:28:00,943 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:28:01,167 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:28:01,169 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2022-11-21 16:28:01,182 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/data/510db4b9a/3efb683be87e451880d75c6307c92f10/FLAGe6148905c [2022-11-21 16:28:01,199 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/data/510db4b9a/3efb683be87e451880d75c6307c92f10 [2022-11-21 16:28:01,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:28:01,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:28:01,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:28:01,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:28:01,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:28:01,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8bbda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01, skipping insertion in model container [2022-11-21 16:28:01,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:28:01,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:28:01,578 WARN L237 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_2f25663a-1106-4dc1-b2f4-7fa535a5938a/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-21 16:28:01,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:28:01,605 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:28:01,677 WARN L237 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_2f25663a-1106-4dc1-b2f4-7fa535a5938a/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-21 16:28:01,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:28:01,697 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:28:01,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01 WrapperNode [2022-11-21 16:28:01,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:28:01,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:28:01,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:28:01,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:28:01,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,832 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 1006 [2022-11-21 16:28:01,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:28:01,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:28:01,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:28:01,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:28:01,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,932 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:28:01,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:28:01,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:28:01,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:28:01,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (1/1) ... [2022-11-21 16:28:01,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:28:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:28:01,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:28:02,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:28:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:28:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:28:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:28:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:28:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:28:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:28:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:28:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:28:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:28:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:28:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 16:28:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 16:28:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:28:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:28:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:28:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:28:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:28:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:28:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:28:02,037 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:28:02,258 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:28:02,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:28:03,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:28:04,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:28:04,890 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-21 16:28:04,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:28:04 BoogieIcfgContainer [2022-11-21 16:28:04,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:28:04,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:28:04,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:28:04,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:28:04,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:28:01" (1/3) ... [2022-11-21 16:28:04,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23173c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:28:04, skipping insertion in model container [2022-11-21 16:28:04,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:28:01" (2/3) ... [2022-11-21 16:28:04,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23173c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:28:04, skipping insertion in model container [2022-11-21 16:28:04,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:28:04" (3/3) ... [2022-11-21 16:28:04,906 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2022-11-21 16:28:04,916 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:28:04,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:28:04,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 168 error locations. [2022-11-21 16:28:04,927 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:28:05,224 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-21 16:28:05,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 625 places, 637 transitions, 1306 flow [2022-11-21 16:28:05,641 INFO L130 PetriNetUnfolder]: 25/633 cut-off events. [2022-11-21 16:28:05,641 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-21 16:28:05,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 633 events. 25/633 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1101 event pairs, 0 based on Foata normal form. 0/440 useless extension candidates. Maximal degree in co-relation 545. Up to 2 conditions per place. [2022-11-21 16:28:05,651 INFO L82 GeneralOperation]: Start removeDead. Operand has 625 places, 637 transitions, 1306 flow [2022-11-21 16:28:05,665 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 600 places, 611 transitions, 1246 flow [2022-11-21 16:28:05,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:28:05,682 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;@57298085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:28:05,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 304 error locations. [2022-11-21 16:28:05,688 INFO L130 PetriNetUnfolder]: 0/38 cut-off events. [2022-11-21 16:28:05,688 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:28:05,688 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:05,689 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] [2022-11-21 16:28:05,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:05,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1195253246, now seen corresponding path program 1 times [2022-11-21 16:28:05,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:05,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873068226] [2022-11-21 16:28:05,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:05,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:05,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:05,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873068226] [2022-11-21 16:28:05,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873068226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:05,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:05,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:05,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011289395] [2022-11-21 16:28:05,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:05,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:05,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:06,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:06,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:06,009 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:06,018 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 600 places, 611 transitions, 1246 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:06,018 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:06,019 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:06,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:06,840 INFO L130 PetriNetUnfolder]: 285/828 cut-off events. [2022-11-21 16:28:06,840 INFO L131 PetriNetUnfolder]: For 104/124 co-relation queries the response was YES. [2022-11-21 16:28:06,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1328 conditions, 828 events. 285/828 cut-off events. For 104/124 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1701 event pairs, 147 based on Foata normal form. 146/902 useless extension candidates. Maximal degree in co-relation 843. Up to 392 conditions per place. [2022-11-21 16:28:06,850 INFO L137 encePairwiseOnDemand]: 486/637 looper letters, 25 selfloop transitions, 2 changer transitions 8/462 dead transitions. [2022-11-21 16:28:06,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 462 transitions, 1002 flow [2022-11-21 16:28:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1550 transitions. [2022-11-21 16:28:06,870 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8110936682365254 [2022-11-21 16:28:06,871 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1550 transitions. [2022-11-21 16:28:06,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1550 transitions. [2022-11-21 16:28:06,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:06,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1550 transitions. [2022-11-21 16:28:06,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 516.6666666666666) internal successors, (1550), 3 states have internal predecessors, (1550), 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) [2022-11-21 16:28:06,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:06,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:06,900 INFO L175 Difference]: Start difference. First operand has 600 places, 611 transitions, 1246 flow. Second operand 3 states and 1550 transitions. [2022-11-21 16:28:06,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 462 transitions, 1002 flow [2022-11-21 16:28:06,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 462 transitions, 986 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-21 16:28:06,919 INFO L231 Difference]: Finished difference. Result has 461 places, 454 transitions, 920 flow [2022-11-21 16:28:06,922 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=920, PETRI_PLACES=461, PETRI_TRANSITIONS=454} [2022-11-21 16:28:06,926 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -139 predicate places. [2022-11-21 16:28:06,927 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 454 transitions, 920 flow [2022-11-21 16:28:06,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:06,928 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:06,928 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] [2022-11-21 16:28:06,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:28:06,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:06,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:06,930 INFO L85 PathProgramCache]: Analyzing trace with hash -645404742, now seen corresponding path program 1 times [2022-11-21 16:28:06,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:06,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559159714] [2022-11-21 16:28:06,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:06,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:07,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:07,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559159714] [2022-11-21 16:28:07,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559159714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:07,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:07,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:07,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231312197] [2022-11-21 16:28:07,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:07,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:07,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:07,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:07,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:07,024 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:07,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 454 transitions, 920 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:07,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:07,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:07,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:07,545 INFO L130 PetriNetUnfolder]: 285/819 cut-off events. [2022-11-21 16:28:07,546 INFO L131 PetriNetUnfolder]: For 15/35 co-relation queries the response was YES. [2022-11-21 16:28:07,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1261 conditions, 819 events. 285/819 cut-off events. For 15/35 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1701 event pairs, 147 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 1215. Up to 393 conditions per place. [2022-11-21 16:28:07,554 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 26 selfloop transitions, 2 changer transitions 0/453 dead transitions. [2022-11-21 16:28:07,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 453 transitions, 974 flow [2022-11-21 16:28:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:07,558 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:07,558 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:07,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:07,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:07,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:07,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:07,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:07,571 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:07,571 INFO L175 Difference]: Start difference. First operand has 461 places, 454 transitions, 920 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:07,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 453 transitions, 974 flow [2022-11-21 16:28:07,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 453 transitions, 970 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:07,582 INFO L231 Difference]: Finished difference. Result has 452 places, 453 transitions, 918 flow [2022-11-21 16:28:07,583 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=918, PETRI_PLACES=452, PETRI_TRANSITIONS=453} [2022-11-21 16:28:07,584 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -148 predicate places. [2022-11-21 16:28:07,584 INFO L495 AbstractCegarLoop]: Abstraction has has 452 places, 453 transitions, 918 flow [2022-11-21 16:28:07,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:07,585 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:07,586 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] [2022-11-21 16:28:07,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:28:07,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:07,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:07,589 INFO L85 PathProgramCache]: Analyzing trace with hash 25837692, now seen corresponding path program 1 times [2022-11-21 16:28:07,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:07,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102809684] [2022-11-21 16:28:07,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:07,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:07,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:07,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102809684] [2022-11-21 16:28:07,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102809684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:07,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:07,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104008315] [2022-11-21 16:28:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:07,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:07,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:07,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:07,730 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:07,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 453 transitions, 918 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:07,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:07,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:07,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:08,181 INFO L130 PetriNetUnfolder]: 285/818 cut-off events. [2022-11-21 16:28:08,181 INFO L131 PetriNetUnfolder]: For 15/35 co-relation queries the response was YES. [2022-11-21 16:28:08,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 818 events. 285/818 cut-off events. For 15/35 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1689 event pairs, 147 based on Foata normal form. 0/756 useless extension candidates. Maximal degree in co-relation 1207. Up to 393 conditions per place. [2022-11-21 16:28:08,188 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 26 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2022-11-21 16:28:08,188 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 452 transitions, 972 flow [2022-11-21 16:28:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:08,192 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:08,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:08,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:08,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:08,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:08,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:08,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:08,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:08,204 INFO L175 Difference]: Start difference. First operand has 452 places, 453 transitions, 918 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:08,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 452 transitions, 972 flow [2022-11-21 16:28:08,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 452 transitions, 968 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:08,213 INFO L231 Difference]: Finished difference. Result has 451 places, 452 transitions, 916 flow [2022-11-21 16:28:08,214 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=916, PETRI_PLACES=451, PETRI_TRANSITIONS=452} [2022-11-21 16:28:08,215 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -149 predicate places. [2022-11-21 16:28:08,215 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 452 transitions, 916 flow [2022-11-21 16:28:08,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:08,217 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:08,217 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] [2022-11-21 16:28:08,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:28:08,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:08,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:08,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1091408893, now seen corresponding path program 1 times [2022-11-21 16:28:08,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:08,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370296856] [2022-11-21 16:28:08,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:08,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:08,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:08,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370296856] [2022-11-21 16:28:08,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370296856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:08,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:08,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:08,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977160481] [2022-11-21 16:28:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:08,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:08,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:08,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:08,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:08,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:08,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 452 transitions, 916 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:08,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:08,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:08,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:08,859 INFO L130 PetriNetUnfolder]: 360/1052 cut-off events. [2022-11-21 16:28:08,859 INFO L131 PetriNetUnfolder]: For 31/43 co-relation queries the response was YES. [2022-11-21 16:28:08,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1602 conditions, 1052 events. 360/1052 cut-off events. For 31/43 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3009 event pairs, 174 based on Foata normal form. 0/950 useless extension candidates. Maximal degree in co-relation 1541. Up to 403 conditions per place. [2022-11-21 16:28:08,868 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 36 selfloop transitions, 2 changer transitions 0/465 dead transitions. [2022-11-21 16:28:08,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 465 transitions, 1025 flow [2022-11-21 16:28:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2022-11-21 16:28:08,873 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7441130298273155 [2022-11-21 16:28:08,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2022-11-21 16:28:08,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2022-11-21 16:28:08,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:08,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2022-11-21 16:28:08,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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) [2022-11-21 16:28:08,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:08,885 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:08,885 INFO L175 Difference]: Start difference. First operand has 451 places, 452 transitions, 916 flow. Second operand 3 states and 1422 transitions. [2022-11-21 16:28:08,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 465 transitions, 1025 flow [2022-11-21 16:28:08,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 465 transitions, 1021 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:08,897 INFO L231 Difference]: Finished difference. Result has 451 places, 452 transitions, 920 flow [2022-11-21 16:28:08,898 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=920, PETRI_PLACES=451, PETRI_TRANSITIONS=452} [2022-11-21 16:28:08,899 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -149 predicate places. [2022-11-21 16:28:08,899 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 452 transitions, 920 flow [2022-11-21 16:28:08,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:08,901 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:08,901 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] [2022-11-21 16:28:08,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:28:08,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:08,902 INFO L85 PathProgramCache]: Analyzing trace with hash -314169241, now seen corresponding path program 1 times [2022-11-21 16:28:08,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:08,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444275560] [2022-11-21 16:28:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:08,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:08,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:08,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444275560] [2022-11-21 16:28:08,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444275560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:08,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:08,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:08,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052373750] [2022-11-21 16:28:08,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:08,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:08,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:08,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:08,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:08,970 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:08,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 452 transitions, 920 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:08,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:08,973 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:08,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:09,520 INFO L130 PetriNetUnfolder]: 360/1014 cut-off events. [2022-11-21 16:28:09,521 INFO L131 PetriNetUnfolder]: For 61/88 co-relation queries the response was YES. [2022-11-21 16:28:09,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1610 conditions, 1014 events. 360/1014 cut-off events. For 61/88 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2739 event pairs, 188 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 569. Up to 495 conditions per place. [2022-11-21 16:28:09,528 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 24 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2022-11-21 16:28:09,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 451 transitions, 970 flow [2022-11-21 16:28:09,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:09,532 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:09,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:09,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:09,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:09,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:09,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:09,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:09,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:09,543 INFO L175 Difference]: Start difference. First operand has 451 places, 452 transitions, 920 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:09,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 451 transitions, 970 flow [2022-11-21 16:28:09,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 451 transitions, 968 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:09,551 INFO L231 Difference]: Finished difference. Result has 451 places, 451 transitions, 920 flow [2022-11-21 16:28:09,552 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=920, PETRI_PLACES=451, PETRI_TRANSITIONS=451} [2022-11-21 16:28:09,553 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -149 predicate places. [2022-11-21 16:28:09,553 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 451 transitions, 920 flow [2022-11-21 16:28:09,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:09,554 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:09,554 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] [2022-11-21 16:28:09,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:28:09,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:09,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:09,555 INFO L85 PathProgramCache]: Analyzing trace with hash -679353610, now seen corresponding path program 1 times [2022-11-21 16:28:09,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:09,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077059483] [2022-11-21 16:28:09,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:09,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:09,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077059483] [2022-11-21 16:28:09,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077059483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:09,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:09,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941521369] [2022-11-21 16:28:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:09,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:09,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:09,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:09,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:09,603 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:09,605 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 451 transitions, 920 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:09,605 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:09,606 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:09,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:10,093 INFO L130 PetriNetUnfolder]: 360/1013 cut-off events. [2022-11-21 16:28:10,093 INFO L131 PetriNetUnfolder]: For 60/87 co-relation queries the response was YES. [2022-11-21 16:28:10,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1595 conditions, 1013 events. 360/1013 cut-off events. For 60/87 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2736 event pairs, 188 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 1525. Up to 493 conditions per place. [2022-11-21 16:28:10,100 INFO L137 encePairwiseOnDemand]: 635/637 looper letters, 24 selfloop transitions, 1 changer transitions 0/450 dead transitions. [2022-11-21 16:28:10,101 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 450 transitions, 968 flow [2022-11-21 16:28:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:10,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2022-11-21 16:28:10,104 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7367870225013082 [2022-11-21 16:28:10,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1408 transitions. [2022-11-21 16:28:10,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1408 transitions. [2022-11-21 16:28:10,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:10,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1408 transitions. [2022-11-21 16:28:10,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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) [2022-11-21 16:28:10,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:10,115 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:10,115 INFO L175 Difference]: Start difference. First operand has 451 places, 451 transitions, 920 flow. Second operand 3 states and 1408 transitions. [2022-11-21 16:28:10,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 450 transitions, 968 flow [2022-11-21 16:28:10,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 450 transitions, 964 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:10,123 INFO L231 Difference]: Finished difference. Result has 450 places, 450 transitions, 916 flow [2022-11-21 16:28:10,124 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=916, PETRI_PLACES=450, PETRI_TRANSITIONS=450} [2022-11-21 16:28:10,125 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -150 predicate places. [2022-11-21 16:28:10,125 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 450 transitions, 916 flow [2022-11-21 16:28:10,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:10,126 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:10,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:10,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:28:10,127 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:10,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:10,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1476213169, now seen corresponding path program 1 times [2022-11-21 16:28:10,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:10,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568180064] [2022-11-21 16:28:10,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:10,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:10,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:10,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:10,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568180064] [2022-11-21 16:28:10,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568180064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:10,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:10,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:10,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141266581] [2022-11-21 16:28:10,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:10,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:10,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:10,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:10,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:10,191 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:10,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 450 transitions, 916 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:10,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:10,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:10,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:10,698 INFO L130 PetriNetUnfolder]: 360/1012 cut-off events. [2022-11-21 16:28:10,698 INFO L131 PetriNetUnfolder]: For 60/87 co-relation queries the response was YES. [2022-11-21 16:28:10,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1594 conditions, 1012 events. 360/1012 cut-off events. For 60/87 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2722 event pairs, 188 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 1525. Up to 495 conditions per place. [2022-11-21 16:28:10,707 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 24 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2022-11-21 16:28:10,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 449 transitions, 966 flow [2022-11-21 16:28:10,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:10,711 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:10,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:10,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:10,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:10,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:10,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:10,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:10,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:10,722 INFO L175 Difference]: Start difference. First operand has 450 places, 450 transitions, 916 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:10,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 449 transitions, 966 flow [2022-11-21 16:28:10,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 449 transitions, 965 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:10,730 INFO L231 Difference]: Finished difference. Result has 450 places, 449 transitions, 917 flow [2022-11-21 16:28:10,731 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=917, PETRI_PLACES=450, PETRI_TRANSITIONS=449} [2022-11-21 16:28:10,732 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -150 predicate places. [2022-11-21 16:28:10,732 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 449 transitions, 917 flow [2022-11-21 16:28:10,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:10,733 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:10,733 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:10,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:28:10,734 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:10,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1878337448, now seen corresponding path program 1 times [2022-11-21 16:28:10,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:10,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403721621] [2022-11-21 16:28:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:10,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:11,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:11,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403721621] [2022-11-21 16:28:11,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403721621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:11,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:11,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:28:11,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249308009] [2022-11-21 16:28:11,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:11,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:28:11,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:11,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:28:11,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:28:11,404 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 375 out of 637 [2022-11-21 16:28:11,420 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 449 transitions, 917 flow. Second operand has 6 states, 6 states have (on average 376.8333333333333) internal successors, (2261), 6 states have internal predecessors, (2261), 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) [2022-11-21 16:28:11,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:11,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 375 of 637 [2022-11-21 16:28:11,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:13,784 INFO L130 PetriNetUnfolder]: 2112/3248 cut-off events. [2022-11-21 16:28:13,785 INFO L131 PetriNetUnfolder]: For 126/126 co-relation queries the response was YES. [2022-11-21 16:28:13,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6243 conditions, 3248 events. 2112/3248 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 11715 event pairs, 1184 based on Foata normal form. 0/3111 useless extension candidates. Maximal degree in co-relation 6175. Up to 2792 conditions per place. [2022-11-21 16:28:13,816 INFO L137 encePairwiseOnDemand]: 613/637 looper letters, 89 selfloop transitions, 20 changer transitions 0/445 dead transitions. [2022-11-21 16:28:13,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 445 transitions, 1127 flow [2022-11-21 16:28:13,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:28:13,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:28:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2362 transitions. [2022-11-21 16:28:13,824 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6180010465724751 [2022-11-21 16:28:13,824 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2362 transitions. [2022-11-21 16:28:13,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2362 transitions. [2022-11-21 16:28:13,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:13,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2362 transitions. [2022-11-21 16:28:13,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 393.6666666666667) internal successors, (2362), 6 states have internal predecessors, (2362), 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) [2022-11-21 16:28:13,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:28:13,843 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:28:13,843 INFO L175 Difference]: Start difference. First operand has 450 places, 449 transitions, 917 flow. Second operand 6 states and 2362 transitions. [2022-11-21 16:28:13,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 445 transitions, 1127 flow [2022-11-21 16:28:13,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 445 transitions, 1123 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:13,855 INFO L231 Difference]: Finished difference. Result has 449 places, 445 transitions, 945 flow [2022-11-21 16:28:13,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=945, PETRI_PLACES=449, PETRI_TRANSITIONS=445} [2022-11-21 16:28:13,857 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -151 predicate places. [2022-11-21 16:28:13,857 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 445 transitions, 945 flow [2022-11-21 16:28:13,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 376.8333333333333) internal successors, (2261), 6 states have internal predecessors, (2261), 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) [2022-11-21 16:28:13,858 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:13,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:13,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:28:13,859 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:13,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1289176591, now seen corresponding path program 1 times [2022-11-21 16:28:13,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:13,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922505989] [2022-11-21 16:28:13,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:13,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:13,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:13,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922505989] [2022-11-21 16:28:13,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922505989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:13,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:13,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:13,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194347872] [2022-11-21 16:28:13,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:13,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:13,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:13,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:13,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:13,923 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:13,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 445 transitions, 945 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:13,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:13,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:13,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:14,579 INFO L130 PetriNetUnfolder]: 360/1007 cut-off events. [2022-11-21 16:28:14,580 INFO L131 PetriNetUnfolder]: For 60/87 co-relation queries the response was YES. [2022-11-21 16:28:14,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 1007 events. 360/1007 cut-off events. For 60/87 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2740 event pairs, 188 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 1548. Up to 498 conditions per place. [2022-11-21 16:28:14,589 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 27 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2022-11-21 16:28:14,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 444 transitions, 1001 flow [2022-11-21 16:28:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:14,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:14,593 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:14,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:14,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:14,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:14,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:14,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:14,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:14,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:14,602 INFO L175 Difference]: Start difference. First operand has 449 places, 445 transitions, 945 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:14,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 444 transitions, 1001 flow [2022-11-21 16:28:14,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 444 transitions, 961 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:28:14,611 INFO L231 Difference]: Finished difference. Result has 445 places, 444 transitions, 907 flow [2022-11-21 16:28:14,612 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=907, PETRI_PLACES=445, PETRI_TRANSITIONS=444} [2022-11-21 16:28:14,613 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -155 predicate places. [2022-11-21 16:28:14,613 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 444 transitions, 907 flow [2022-11-21 16:28:14,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:14,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:14,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:14,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:28:14,615 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:14,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:14,615 INFO L85 PathProgramCache]: Analyzing trace with hash -368784085, now seen corresponding path program 1 times [2022-11-21 16:28:14,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:14,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904117459] [2022-11-21 16:28:14,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:14,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:14,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904117459] [2022-11-21 16:28:14,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904117459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:14,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:14,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684509114] [2022-11-21 16:28:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:14,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:14,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:14,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:14,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:14,662 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:14,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 444 transitions, 907 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:14,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:14,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:14,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:15,509 INFO L130 PetriNetUnfolder]: 596/1586 cut-off events. [2022-11-21 16:28:15,510 INFO L131 PetriNetUnfolder]: For 107/147 co-relation queries the response was YES. [2022-11-21 16:28:15,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2507 conditions, 1586 events. 596/1586 cut-off events. For 107/147 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6760 event pairs, 188 based on Foata normal form. 2/1465 useless extension candidates. Maximal degree in co-relation 2439. Up to 451 conditions per place. [2022-11-21 16:28:15,522 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 40 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2022-11-21 16:28:15,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 460 transitions, 1031 flow [2022-11-21 16:28:15,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1424 transitions. [2022-11-21 16:28:15,526 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7451596023024595 [2022-11-21 16:28:15,527 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1424 transitions. [2022-11-21 16:28:15,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1424 transitions. [2022-11-21 16:28:15,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:15,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1424 transitions. [2022-11-21 16:28:15,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.6666666666667) internal successors, (1424), 3 states have internal predecessors, (1424), 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) [2022-11-21 16:28:15,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:15,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:15,535 INFO L175 Difference]: Start difference. First operand has 445 places, 444 transitions, 907 flow. Second operand 3 states and 1424 transitions. [2022-11-21 16:28:15,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 460 transitions, 1031 flow [2022-11-21 16:28:15,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 460 transitions, 1027 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:15,544 INFO L231 Difference]: Finished difference. Result has 445 places, 444 transitions, 911 flow [2022-11-21 16:28:15,546 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=445, PETRI_TRANSITIONS=444} [2022-11-21 16:28:15,547 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -155 predicate places. [2022-11-21 16:28:15,548 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 444 transitions, 911 flow [2022-11-21 16:28:15,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:15,548 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:15,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:15,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:28:15,549 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:15,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:15,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1736633889, now seen corresponding path program 1 times [2022-11-21 16:28:15,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:15,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480207580] [2022-11-21 16:28:15,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:15,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:15,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:15,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480207580] [2022-11-21 16:28:15,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480207580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:15,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:15,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499029401] [2022-11-21 16:28:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:15,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:15,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:15,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:15,600 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:15,602 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 444 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:15,602 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:15,602 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:15,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:16,368 INFO L130 PetriNetUnfolder]: 596/1585 cut-off events. [2022-11-21 16:28:16,368 INFO L131 PetriNetUnfolder]: For 141/181 co-relation queries the response was YES. [2022-11-21 16:28:16,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2633 conditions, 1585 events. 596/1585 cut-off events. For 141/181 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6832 event pairs, 340 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2563. Up to 817 conditions per place. [2022-11-21 16:28:16,387 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 25 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2022-11-21 16:28:16,387 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 443 transitions, 963 flow [2022-11-21 16:28:16,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:16,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:16,391 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:16,391 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:16,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:16,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:16,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:16,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:16,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:16,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:16,399 INFO L175 Difference]: Start difference. First operand has 445 places, 444 transitions, 911 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:16,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 443 transitions, 963 flow [2022-11-21 16:28:16,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 443 transitions, 961 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:16,407 INFO L231 Difference]: Finished difference. Result has 445 places, 443 transitions, 911 flow [2022-11-21 16:28:16,408 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=907, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=911, PETRI_PLACES=445, PETRI_TRANSITIONS=443} [2022-11-21 16:28:16,408 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -155 predicate places. [2022-11-21 16:28:16,408 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 443 transitions, 911 flow [2022-11-21 16:28:16,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:16,409 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:16,409 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:16,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:28:16,410 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:16,410 INFO L85 PathProgramCache]: Analyzing trace with hash 199732266, now seen corresponding path program 1 times [2022-11-21 16:28:16,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:16,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148349633] [2022-11-21 16:28:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:16,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:16,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:16,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148349633] [2022-11-21 16:28:16,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148349633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:16,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:16,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:16,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64424097] [2022-11-21 16:28:16,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:16,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:16,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:16,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:16,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:16,462 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:16,463 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 443 transitions, 911 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:16,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:16,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:16,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:17,251 INFO L130 PetriNetUnfolder]: 596/1584 cut-off events. [2022-11-21 16:28:17,251 INFO L131 PetriNetUnfolder]: For 140/180 co-relation queries the response was YES. [2022-11-21 16:28:17,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2595 conditions, 1584 events. 596/1584 cut-off events. For 140/180 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6826 event pairs, 340 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2525. Up to 820 conditions per place. [2022-11-21 16:28:17,263 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 28 selfloop transitions, 2 changer transitions 0/442 dead transitions. [2022-11-21 16:28:17,263 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 442 transitions, 969 flow [2022-11-21 16:28:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:17,267 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:17,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:17,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:17,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:17,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:17,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:17,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:17,275 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:17,276 INFO L175 Difference]: Start difference. First operand has 445 places, 443 transitions, 911 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:17,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 442 transitions, 969 flow [2022-11-21 16:28:17,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 442 transitions, 965 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:17,284 INFO L231 Difference]: Finished difference. Result has 444 places, 442 transitions, 909 flow [2022-11-21 16:28:17,285 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=909, PETRI_PLACES=444, PETRI_TRANSITIONS=442} [2022-11-21 16:28:17,285 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -156 predicate places. [2022-11-21 16:28:17,285 INFO L495 AbstractCegarLoop]: Abstraction has has 444 places, 442 transitions, 909 flow [2022-11-21 16:28:17,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:17,286 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:17,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:17,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:28:17,287 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:17,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:17,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1075493643, now seen corresponding path program 1 times [2022-11-21 16:28:17,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:17,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562542761] [2022-11-21 16:28:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:17,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:17,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:17,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562542761] [2022-11-21 16:28:17,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562542761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:17,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:17,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:17,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136344693] [2022-11-21 16:28:17,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:17,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:17,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:17,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:17,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:17,336 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:17,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 442 transitions, 909 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:17,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:17,338 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:17,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:18,262 INFO L130 PetriNetUnfolder]: 596/1583 cut-off events. [2022-11-21 16:28:18,263 INFO L131 PetriNetUnfolder]: For 141/181 co-relation queries the response was YES. [2022-11-21 16:28:18,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2590 conditions, 1583 events. 596/1583 cut-off events. For 141/181 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6816 event pairs, 340 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2521. Up to 815 conditions per place. [2022-11-21 16:28:18,277 INFO L137 encePairwiseOnDemand]: 635/637 looper letters, 25 selfloop transitions, 1 changer transitions 0/441 dead transitions. [2022-11-21 16:28:18,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 441 transitions, 959 flow [2022-11-21 16:28:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2022-11-21 16:28:18,282 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7367870225013082 [2022-11-21 16:28:18,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1408 transitions. [2022-11-21 16:28:18,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1408 transitions. [2022-11-21 16:28:18,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:18,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1408 transitions. [2022-11-21 16:28:18,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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) [2022-11-21 16:28:18,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:18,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:18,292 INFO L175 Difference]: Start difference. First operand has 444 places, 442 transitions, 909 flow. Second operand 3 states and 1408 transitions. [2022-11-21 16:28:18,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 441 transitions, 959 flow [2022-11-21 16:28:18,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 441 transitions, 955 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:18,302 INFO L231 Difference]: Finished difference. Result has 443 places, 441 transitions, 905 flow [2022-11-21 16:28:18,303 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=443, PETRI_TRANSITIONS=441} [2022-11-21 16:28:18,304 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -157 predicate places. [2022-11-21 16:28:18,304 INFO L495 AbstractCegarLoop]: Abstraction has has 443 places, 441 transitions, 905 flow [2022-11-21 16:28:18,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:18,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:18,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:18,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:28:18,306 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:18,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2096937735, now seen corresponding path program 1 times [2022-11-21 16:28:18,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:18,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989425946] [2022-11-21 16:28:18,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:18,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:18,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:18,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989425946] [2022-11-21 16:28:18,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989425946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:18,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:18,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:18,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780072188] [2022-11-21 16:28:18,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:18,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:18,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:18,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:18,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:18,388 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:18,390 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 441 transitions, 905 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:18,390 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:18,390 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:18,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:19,377 INFO L130 PetriNetUnfolder]: 596/1582 cut-off events. [2022-11-21 16:28:19,378 INFO L131 PetriNetUnfolder]: For 140/180 co-relation queries the response was YES. [2022-11-21 16:28:19,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2589 conditions, 1582 events. 596/1582 cut-off events. For 140/180 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6810 event pairs, 340 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2519. Up to 817 conditions per place. [2022-11-21 16:28:19,393 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 25 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2022-11-21 16:28:19,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 440 transitions, 957 flow [2022-11-21 16:28:19,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:19,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:19,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:19,398 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:19,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:19,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:19,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:19,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:19,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:19,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:19,408 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:19,409 INFO L175 Difference]: Start difference. First operand has 443 places, 441 transitions, 905 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:19,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 440 transitions, 957 flow [2022-11-21 16:28:19,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 440 transitions, 956 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:19,419 INFO L231 Difference]: Finished difference. Result has 443 places, 440 transitions, 906 flow [2022-11-21 16:28:19,420 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=443, PETRI_TRANSITIONS=440} [2022-11-21 16:28:19,421 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -157 predicate places. [2022-11-21 16:28:19,421 INFO L495 AbstractCegarLoop]: Abstraction has has 443 places, 440 transitions, 906 flow [2022-11-21 16:28:19,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:19,422 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:19,422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:19,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:28:19,423 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:19,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:19,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1053615505, now seen corresponding path program 1 times [2022-11-21 16:28:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:19,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020761038] [2022-11-21 16:28:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:19,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:19,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020761038] [2022-11-21 16:28:19,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020761038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:19,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:19,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:19,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659094265] [2022-11-21 16:28:19,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:19,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:19,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:19,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:19,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:19,498 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:19,501 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 440 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:19,501 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:19,501 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:19,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:20,381 INFO L130 PetriNetUnfolder]: 596/1581 cut-off events. [2022-11-21 16:28:20,381 INFO L131 PetriNetUnfolder]: For 140/180 co-relation queries the response was YES. [2022-11-21 16:28:20,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2593 conditions, 1581 events. 596/1581 cut-off events. For 140/180 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6813 event pairs, 340 based on Foata normal form. 0/1456 useless extension candidates. Maximal degree in co-relation 2523. Up to 820 conditions per place. [2022-11-21 16:28:20,393 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 28 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2022-11-21 16:28:20,393 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 439 transitions, 964 flow [2022-11-21 16:28:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:20,396 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:20,397 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:20,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:20,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:20,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:20,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:20,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:20,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:20,405 INFO L175 Difference]: Start difference. First operand has 443 places, 440 transitions, 906 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:20,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 439 transitions, 964 flow [2022-11-21 16:28:20,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 439 transitions, 960 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:20,412 INFO L231 Difference]: Finished difference. Result has 442 places, 439 transitions, 904 flow [2022-11-21 16:28:20,413 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=442, PETRI_TRANSITIONS=439} [2022-11-21 16:28:20,415 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -158 predicate places. [2022-11-21 16:28:20,415 INFO L495 AbstractCegarLoop]: Abstraction has has 442 places, 439 transitions, 904 flow [2022-11-21 16:28:20,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:20,416 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:20,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:20,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:28:20,416 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:20,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:20,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1596075540, now seen corresponding path program 1 times [2022-11-21 16:28:20,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:20,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703392006] [2022-11-21 16:28:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:20,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:20,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:20,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703392006] [2022-11-21 16:28:20,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703392006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:20,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:20,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:20,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948053566] [2022-11-21 16:28:20,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:20,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:20,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:20,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:20,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:20,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:20,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 439 transitions, 904 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:20,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:20,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:20,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:21,430 INFO L130 PetriNetUnfolder]: 908/2661 cut-off events. [2022-11-21 16:28:21,430 INFO L131 PetriNetUnfolder]: For 275/325 co-relation queries the response was YES. [2022-11-21 16:28:21,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4193 conditions, 2661 events. 908/2661 cut-off events. For 275/325 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 16064 event pairs, 140 based on Foata normal form. 3/2441 useless extension candidates. Maximal degree in co-relation 4124. Up to 894 conditions per place. [2022-11-21 16:28:21,454 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 43 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2022-11-21 16:28:21,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 457 transitions, 1044 flow [2022-11-21 16:28:21,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:21,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1425 transitions. [2022-11-21 16:28:21,458 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7456828885400314 [2022-11-21 16:28:21,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1425 transitions. [2022-11-21 16:28:21,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1425 transitions. [2022-11-21 16:28:21,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:21,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1425 transitions. [2022-11-21 16:28:21,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 475.0) internal successors, (1425), 3 states have internal predecessors, (1425), 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) [2022-11-21 16:28:21,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:21,466 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:21,466 INFO L175 Difference]: Start difference. First operand has 442 places, 439 transitions, 904 flow. Second operand 3 states and 1425 transitions. [2022-11-21 16:28:21,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 457 transitions, 1044 flow [2022-11-21 16:28:21,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 457 transitions, 1040 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:21,474 INFO L231 Difference]: Finished difference. Result has 442 places, 439 transitions, 908 flow [2022-11-21 16:28:21,475 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=442, PETRI_TRANSITIONS=439} [2022-11-21 16:28:21,475 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -158 predicate places. [2022-11-21 16:28:21,475 INFO L495 AbstractCegarLoop]: Abstraction has has 442 places, 439 transitions, 908 flow [2022-11-21 16:28:21,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:21,476 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:21,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:21,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:28:21,477 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:21,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:21,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2116542610, now seen corresponding path program 1 times [2022-11-21 16:28:21,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:21,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052665637] [2022-11-21 16:28:21,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:21,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:21,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052665637] [2022-11-21 16:28:21,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052665637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:21,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:21,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:21,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392960441] [2022-11-21 16:28:21,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:21,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:21,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:21,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:21,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:21,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:21,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 439 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:21,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:21,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:21,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:22,549 INFO L130 PetriNetUnfolder]: 908/2444 cut-off events. [2022-11-21 16:28:22,549 INFO L131 PetriNetUnfolder]: For 412/474 co-relation queries the response was YES. [2022-11-21 16:28:22,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4256 conditions, 2444 events. 908/2444 cut-off events. For 412/474 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 13933 event pairs, 566 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 4185. Up to 1250 conditions per place. [2022-11-21 16:28:22,570 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 26 selfloop transitions, 2 changer transitions 0/438 dead transitions. [2022-11-21 16:28:22,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 438 transitions, 962 flow [2022-11-21 16:28:22,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:22,573 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:22,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:22,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:22,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:22,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:22,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:22,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:22,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:22,581 INFO L175 Difference]: Start difference. First operand has 442 places, 439 transitions, 908 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:22,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 438 transitions, 962 flow [2022-11-21 16:28:22,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 438 transitions, 960 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:22,589 INFO L231 Difference]: Finished difference. Result has 442 places, 438 transitions, 908 flow [2022-11-21 16:28:22,590 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=442, PETRI_TRANSITIONS=438} [2022-11-21 16:28:22,590 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -158 predicate places. [2022-11-21 16:28:22,590 INFO L495 AbstractCegarLoop]: Abstraction has has 442 places, 438 transitions, 908 flow [2022-11-21 16:28:22,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:22,591 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:22,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:22,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:28:22,592 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1765666065, now seen corresponding path program 1 times [2022-11-21 16:28:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:22,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745681646] [2022-11-21 16:28:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:22,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:22,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745681646] [2022-11-21 16:28:22,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745681646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:22,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:22,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:22,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486556956] [2022-11-21 16:28:22,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:22,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:22,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:22,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:22,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:22,646 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:22,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 438 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:22,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:22,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:22,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:23,814 INFO L130 PetriNetUnfolder]: 908/2443 cut-off events. [2022-11-21 16:28:23,814 INFO L131 PetriNetUnfolder]: For 411/473 co-relation queries the response was YES. [2022-11-21 16:28:23,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4167 conditions, 2443 events. 908/2443 cut-off events. For 411/473 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 13945 event pairs, 566 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 4096. Up to 1253 conditions per place. [2022-11-21 16:28:23,834 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 29 selfloop transitions, 2 changer transitions 0/437 dead transitions. [2022-11-21 16:28:23,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 437 transitions, 968 flow [2022-11-21 16:28:23,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:23,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:23,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:23,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:23,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:23,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:23,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:23,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:23,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:23,846 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:23,847 INFO L175 Difference]: Start difference. First operand has 442 places, 438 transitions, 908 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:23,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 437 transitions, 968 flow [2022-11-21 16:28:23,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 437 transitions, 964 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:23,854 INFO L231 Difference]: Finished difference. Result has 441 places, 437 transitions, 906 flow [2022-11-21 16:28:23,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=441, PETRI_TRANSITIONS=437} [2022-11-21 16:28:23,855 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -159 predicate places. [2022-11-21 16:28:23,856 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 437 transitions, 906 flow [2022-11-21 16:28:23,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:23,856 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:23,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:23,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:28:23,857 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:23,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1799625019, now seen corresponding path program 1 times [2022-11-21 16:28:23,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:23,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102499214] [2022-11-21 16:28:23,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:23,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:23,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:23,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102499214] [2022-11-21 16:28:23,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102499214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:23,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:23,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:23,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915061040] [2022-11-21 16:28:23,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:23,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:23,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:23,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:23,925 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:23,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 437 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:23,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:23,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:23,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:25,035 INFO L130 PetriNetUnfolder]: 908/2442 cut-off events. [2022-11-21 16:28:25,035 INFO L131 PetriNetUnfolder]: For 412/474 co-relation queries the response was YES. [2022-11-21 16:28:25,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4162 conditions, 2442 events. 908/2442 cut-off events. For 412/474 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 13851 event pairs, 566 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 4092. Up to 1248 conditions per place. [2022-11-21 16:28:25,137 INFO L137 encePairwiseOnDemand]: 635/637 looper letters, 26 selfloop transitions, 1 changer transitions 0/436 dead transitions. [2022-11-21 16:28:25,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 436 transitions, 958 flow [2022-11-21 16:28:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2022-11-21 16:28:25,141 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7367870225013082 [2022-11-21 16:28:25,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1408 transitions. [2022-11-21 16:28:25,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1408 transitions. [2022-11-21 16:28:25,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:25,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1408 transitions. [2022-11-21 16:28:25,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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) [2022-11-21 16:28:25,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:25,151 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:25,152 INFO L175 Difference]: Start difference. First operand has 441 places, 437 transitions, 906 flow. Second operand 3 states and 1408 transitions. [2022-11-21 16:28:25,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 436 transitions, 958 flow [2022-11-21 16:28:25,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 436 transitions, 954 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:25,162 INFO L231 Difference]: Finished difference. Result has 440 places, 436 transitions, 902 flow [2022-11-21 16:28:25,163 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=440, PETRI_TRANSITIONS=436} [2022-11-21 16:28:25,164 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -160 predicate places. [2022-11-21 16:28:25,164 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 436 transitions, 902 flow [2022-11-21 16:28:25,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:25,165 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:25,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:25,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:28:25,166 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:25,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:25,166 INFO L85 PathProgramCache]: Analyzing trace with hash -617306677, now seen corresponding path program 1 times [2022-11-21 16:28:25,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:25,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110116760] [2022-11-21 16:28:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:25,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:25,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:25,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110116760] [2022-11-21 16:28:25,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110116760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:25,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:25,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:25,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763444437] [2022-11-21 16:28:25,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:25,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:25,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:25,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:25,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:25,256 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:25,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 436 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:25,258 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:25,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:25,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:26,539 INFO L130 PetriNetUnfolder]: 908/2441 cut-off events. [2022-11-21 16:28:26,540 INFO L131 PetriNetUnfolder]: For 411/473 co-relation queries the response was YES. [2022-11-21 16:28:26,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4161 conditions, 2441 events. 908/2441 cut-off events. For 411/473 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 13904 event pairs, 566 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 4090. Up to 1250 conditions per place. [2022-11-21 16:28:26,554 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 26 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2022-11-21 16:28:26,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 435 transitions, 956 flow [2022-11-21 16:28:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:26,559 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:26,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:26,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:26,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:26,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:26,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:26,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:26,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:26,568 INFO L175 Difference]: Start difference. First operand has 440 places, 436 transitions, 902 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:26,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 435 transitions, 956 flow [2022-11-21 16:28:26,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 435 transitions, 955 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:26,577 INFO L231 Difference]: Finished difference. Result has 440 places, 435 transitions, 903 flow [2022-11-21 16:28:26,578 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=440, PETRI_TRANSITIONS=435} [2022-11-21 16:28:26,579 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -160 predicate places. [2022-11-21 16:28:26,579 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 435 transitions, 903 flow [2022-11-21 16:28:26,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:26,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:26,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:26,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:28:26,580 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:26,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1439063817, now seen corresponding path program 1 times [2022-11-21 16:28:26,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:26,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116229393] [2022-11-21 16:28:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:26,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:26,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116229393] [2022-11-21 16:28:26,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116229393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:26,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:26,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:26,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153197131] [2022-11-21 16:28:26,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:26,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:26,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:26,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:26,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:26,714 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:26,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 435 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:26,716 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:26,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:26,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:27,854 INFO L130 PetriNetUnfolder]: 908/2440 cut-off events. [2022-11-21 16:28:27,855 INFO L131 PetriNetUnfolder]: For 411/473 co-relation queries the response was YES. [2022-11-21 16:28:27,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4165 conditions, 2440 events. 908/2440 cut-off events. For 411/473 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 13956 event pairs, 566 based on Foata normal form. 0/2228 useless extension candidates. Maximal degree in co-relation 4094. Up to 1253 conditions per place. [2022-11-21 16:28:27,872 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 29 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2022-11-21 16:28:27,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 434 transitions, 963 flow [2022-11-21 16:28:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:27,877 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:27,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:27,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:27,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:27,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:27,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:27,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:27,959 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:27,959 INFO L175 Difference]: Start difference. First operand has 440 places, 435 transitions, 903 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:27,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 434 transitions, 963 flow [2022-11-21 16:28:27,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 434 transitions, 959 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:27,966 INFO L231 Difference]: Finished difference. Result has 439 places, 434 transitions, 901 flow [2022-11-21 16:28:27,967 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=901, PETRI_PLACES=439, PETRI_TRANSITIONS=434} [2022-11-21 16:28:27,967 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -161 predicate places. [2022-11-21 16:28:27,968 INFO L495 AbstractCegarLoop]: Abstraction has has 439 places, 434 transitions, 901 flow [2022-11-21 16:28:27,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:27,968 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:27,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:27,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:28:27,969 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:27,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:27,969 INFO L85 PathProgramCache]: Analyzing trace with hash -948069663, now seen corresponding path program 1 times [2022-11-21 16:28:27,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:27,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116432845] [2022-11-21 16:28:27,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:27,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:28,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:28,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116432845] [2022-11-21 16:28:28,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116432845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:28,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:28,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:28,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749190580] [2022-11-21 16:28:28,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:28,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:28,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:28,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:28,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:28,035 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:28,037 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 434 transitions, 901 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:28,037 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:28,037 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:28,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:29,708 INFO L130 PetriNetUnfolder]: 1343/3831 cut-off events. [2022-11-21 16:28:29,709 INFO L131 PetriNetUnfolder]: For 698/775 co-relation queries the response was YES. [2022-11-21 16:28:29,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6363 conditions, 3831 events. 1343/3831 cut-off events. For 698/775 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 27153 event pairs, 236 based on Foata normal form. 6/3503 useless extension candidates. Maximal degree in co-relation 6293. Up to 1316 conditions per place. [2022-11-21 16:28:29,750 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 44 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2022-11-21 16:28:29,750 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 452 transitions, 1046 flow [2022-11-21 16:28:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1424 transitions. [2022-11-21 16:28:29,754 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7451596023024595 [2022-11-21 16:28:29,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1424 transitions. [2022-11-21 16:28:29,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1424 transitions. [2022-11-21 16:28:29,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:29,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1424 transitions. [2022-11-21 16:28:29,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.6666666666667) internal successors, (1424), 3 states have internal predecessors, (1424), 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) [2022-11-21 16:28:29,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:29,761 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:29,762 INFO L175 Difference]: Start difference. First operand has 439 places, 434 transitions, 901 flow. Second operand 3 states and 1424 transitions. [2022-11-21 16:28:29,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 452 transitions, 1046 flow [2022-11-21 16:28:29,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 452 transitions, 1042 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:29,770 INFO L231 Difference]: Finished difference. Result has 439 places, 434 transitions, 905 flow [2022-11-21 16:28:29,771 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=439, PETRI_TRANSITIONS=434} [2022-11-21 16:28:29,771 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -161 predicate places. [2022-11-21 16:28:29,772 INFO L495 AbstractCegarLoop]: Abstraction has has 439 places, 434 transitions, 905 flow [2022-11-21 16:28:29,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:29,773 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:29,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:29,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:28:29,773 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:29,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1297092549, now seen corresponding path program 1 times [2022-11-21 16:28:29,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:29,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445497184] [2022-11-21 16:28:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:29,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:29,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:29,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445497184] [2022-11-21 16:28:29,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445497184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:29,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:29,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080703618] [2022-11-21 16:28:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:29,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:29,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:29,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:29,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:29,844 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:29,845 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 434 transitions, 905 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:29,845 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:29,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:29,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:31,277 INFO L130 PetriNetUnfolder]: 1343/3792 cut-off events. [2022-11-21 16:28:31,277 INFO L131 PetriNetUnfolder]: For 910/997 co-relation queries the response was YES. [2022-11-21 16:28:31,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6760 conditions, 3792 events. 1343/3792 cut-off events. For 910/997 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27401 event pairs, 908 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 6688. Up to 1854 conditions per place. [2022-11-21 16:28:31,305 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 27 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2022-11-21 16:28:31,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 433 transitions, 961 flow [2022-11-21 16:28:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:31,309 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:31,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:31,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:31,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:31,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:31,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:31,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:31,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:31,314 INFO L175 Difference]: Start difference. First operand has 439 places, 434 transitions, 905 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:31,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 433 transitions, 961 flow [2022-11-21 16:28:31,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 433 transitions, 959 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:31,322 INFO L231 Difference]: Finished difference. Result has 439 places, 433 transitions, 905 flow [2022-11-21 16:28:31,323 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=439, PETRI_TRANSITIONS=433} [2022-11-21 16:28:31,323 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -161 predicate places. [2022-11-21 16:28:31,323 INFO L495 AbstractCegarLoop]: Abstraction has has 439 places, 433 transitions, 905 flow [2022-11-21 16:28:31,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:31,324 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:31,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:31,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:28:31,325 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:31,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1837659221, now seen corresponding path program 1 times [2022-11-21 16:28:31,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:31,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385278427] [2022-11-21 16:28:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:31,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:31,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:31,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385278427] [2022-11-21 16:28:31,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385278427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:31,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:31,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:31,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602207347] [2022-11-21 16:28:31,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:31,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:31,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:31,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:31,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:31,392 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 637 [2022-11-21 16:28:31,393 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 433 transitions, 905 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:31,393 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:31,393 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 637 [2022-11-21 16:28:31,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:32,902 INFO L130 PetriNetUnfolder]: 1343/3791 cut-off events. [2022-11-21 16:28:32,902 INFO L131 PetriNetUnfolder]: For 909/996 co-relation queries the response was YES. [2022-11-21 16:28:32,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6619 conditions, 3791 events. 1343/3791 cut-off events. For 909/996 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27392 event pairs, 908 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 6547. Up to 1857 conditions per place. [2022-11-21 16:28:32,922 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 30 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2022-11-21 16:28:32,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 432 transitions, 967 flow [2022-11-21 16:28:32,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:32,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1403 transitions. [2022-11-21 16:28:32,926 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341705913134484 [2022-11-21 16:28:32,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1403 transitions. [2022-11-21 16:28:32,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1403 transitions. [2022-11-21 16:28:32,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:32,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1403 transitions. [2022-11-21 16:28:32,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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) [2022-11-21 16:28:32,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:32,932 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:32,932 INFO L175 Difference]: Start difference. First operand has 439 places, 433 transitions, 905 flow. Second operand 3 states and 1403 transitions. [2022-11-21 16:28:32,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 432 transitions, 967 flow [2022-11-21 16:28:32,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 432 transitions, 963 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:32,939 INFO L231 Difference]: Finished difference. Result has 438 places, 432 transitions, 903 flow [2022-11-21 16:28:32,940 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=438, PETRI_TRANSITIONS=432} [2022-11-21 16:28:32,941 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -162 predicate places. [2022-11-21 16:28:32,941 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 432 transitions, 903 flow [2022-11-21 16:28:32,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2022-11-21 16:28:32,941 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:32,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:32,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:28:32,942 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:32,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:32,942 INFO L85 PathProgramCache]: Analyzing trace with hash -701134788, now seen corresponding path program 1 times [2022-11-21 16:28:32,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:32,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767521697] [2022-11-21 16:28:32,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:32,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:33,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:33,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767521697] [2022-11-21 16:28:33,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767521697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:33,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:33,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:33,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484314387] [2022-11-21 16:28:33,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:33,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:33,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:33,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:33,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:33,008 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:33,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 432 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:33,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:33,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:33,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:35,011 INFO L130 PetriNetUnfolder]: 1343/3790 cut-off events. [2022-11-21 16:28:35,011 INFO L131 PetriNetUnfolder]: For 910/997 co-relation queries the response was YES. [2022-11-21 16:28:35,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6614 conditions, 3790 events. 1343/3790 cut-off events. For 910/997 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27374 event pairs, 908 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 6543. Up to 1852 conditions per place. [2022-11-21 16:28:35,032 INFO L137 encePairwiseOnDemand]: 635/637 looper letters, 27 selfloop transitions, 1 changer transitions 0/431 dead transitions. [2022-11-21 16:28:35,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 431 transitions, 957 flow [2022-11-21 16:28:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1408 transitions. [2022-11-21 16:28:35,036 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7367870225013082 [2022-11-21 16:28:35,037 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1408 transitions. [2022-11-21 16:28:35,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1408 transitions. [2022-11-21 16:28:35,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:35,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1408 transitions. [2022-11-21 16:28:35,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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) [2022-11-21 16:28:35,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:35,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:35,045 INFO L175 Difference]: Start difference. First operand has 438 places, 432 transitions, 903 flow. Second operand 3 states and 1408 transitions. [2022-11-21 16:28:35,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 431 transitions, 957 flow [2022-11-21 16:28:35,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 431 transitions, 953 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:35,054 INFO L231 Difference]: Finished difference. Result has 437 places, 431 transitions, 899 flow [2022-11-21 16:28:35,055 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=897, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=899, PETRI_PLACES=437, PETRI_TRANSITIONS=431} [2022-11-21 16:28:35,056 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -163 predicate places. [2022-11-21 16:28:35,056 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 431 transitions, 899 flow [2022-11-21 16:28:35,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:35,057 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:35,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:35,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 16:28:35,057 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:35,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:35,058 INFO L85 PathProgramCache]: Analyzing trace with hash -349407276, now seen corresponding path program 1 times [2022-11-21 16:28:35,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:35,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134517917] [2022-11-21 16:28:35,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:35,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:35,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:35,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134517917] [2022-11-21 16:28:35,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134517917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:35,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:35,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:35,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599502315] [2022-11-21 16:28:35,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:35,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:35,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:35,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:35,155 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:35,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 431 transitions, 899 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:35,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:35,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:35,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:36,840 INFO L130 PetriNetUnfolder]: 1343/3789 cut-off events. [2022-11-21 16:28:36,841 INFO L131 PetriNetUnfolder]: For 909/996 co-relation queries the response was YES. [2022-11-21 16:28:36,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6613 conditions, 3789 events. 1343/3789 cut-off events. For 909/996 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27362 event pairs, 908 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 6541. Up to 1854 conditions per place. [2022-11-21 16:28:36,867 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 27 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2022-11-21 16:28:36,867 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 430 transitions, 955 flow [2022-11-21 16:28:36,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:36,870 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:36,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:36,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:36,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:36,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:36,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:36,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:36,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:36,876 INFO L175 Difference]: Start difference. First operand has 437 places, 431 transitions, 899 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:36,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 430 transitions, 955 flow [2022-11-21 16:28:36,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 430 transitions, 954 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:28:36,885 INFO L231 Difference]: Finished difference. Result has 437 places, 430 transitions, 900 flow [2022-11-21 16:28:36,886 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=437, PETRI_TRANSITIONS=430} [2022-11-21 16:28:36,886 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -163 predicate places. [2022-11-21 16:28:36,886 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 430 transitions, 900 flow [2022-11-21 16:28:36,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:36,887 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:36,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:36,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 16:28:36,888 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:36,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash -774337051, now seen corresponding path program 1 times [2022-11-21 16:28:36,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:36,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771661049] [2022-11-21 16:28:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:36,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:36,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771661049] [2022-11-21 16:28:36,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771661049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:36,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:36,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:36,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221836506] [2022-11-21 16:28:36,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:36,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:36,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:36,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:36,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:36,970 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:36,971 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 430 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:36,971 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:36,971 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:36,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:38,519 INFO L130 PetriNetUnfolder]: 1343/3788 cut-off events. [2022-11-21 16:28:38,519 INFO L131 PetriNetUnfolder]: For 909/996 co-relation queries the response was YES. [2022-11-21 16:28:38,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6614 conditions, 3788 events. 1343/3788 cut-off events. For 909/996 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27378 event pairs, 908 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 6542. Up to 1854 conditions per place. [2022-11-21 16:28:38,539 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 27 selfloop transitions, 2 changer transitions 0/429 dead transitions. [2022-11-21 16:28:38,539 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 429 transitions, 956 flow [2022-11-21 16:28:38,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:38,544 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:38,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:38,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:38,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:38,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:38,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:38,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:38,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:38,547 INFO L175 Difference]: Start difference. First operand has 437 places, 430 transitions, 900 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:38,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 429 transitions, 956 flow [2022-11-21 16:28:38,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 436 places, 429 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:38,552 INFO L231 Difference]: Finished difference. Result has 436 places, 429 transitions, 898 flow [2022-11-21 16:28:38,553 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=436, PETRI_TRANSITIONS=429} [2022-11-21 16:28:38,553 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -164 predicate places. [2022-11-21 16:28:38,553 INFO L495 AbstractCegarLoop]: Abstraction has has 436 places, 429 transitions, 898 flow [2022-11-21 16:28:38,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:38,554 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:38,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:38,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 16:28:38,554 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:38,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:38,555 INFO L85 PathProgramCache]: Analyzing trace with hash -824831018, now seen corresponding path program 1 times [2022-11-21 16:28:38,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:38,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567557210] [2022-11-21 16:28:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:38,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:38,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567557210] [2022-11-21 16:28:38,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567557210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:38,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:38,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:28:38,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871349846] [2022-11-21 16:28:38,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:38,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:28:38,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:38,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:28:38,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:28:38,637 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:28:38,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 429 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:38,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:38,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:28:38,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:39,960 INFO L130 PetriNetUnfolder]: 1343/3787 cut-off events. [2022-11-21 16:28:39,961 INFO L131 PetriNetUnfolder]: For 909/996 co-relation queries the response was YES. [2022-11-21 16:28:39,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6613 conditions, 3787 events. 1343/3787 cut-off events. For 909/996 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27375 event pairs, 908 based on Foata normal form. 0/3414 useless extension candidates. Maximal degree in co-relation 6541. Up to 1854 conditions per place. [2022-11-21 16:28:39,987 INFO L137 encePairwiseOnDemand]: 634/637 looper letters, 27 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2022-11-21 16:28:39,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 428 transitions, 954 flow [2022-11-21 16:28:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:28:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:28:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2022-11-21 16:28:39,989 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7373103087388801 [2022-11-21 16:28:39,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2022-11-21 16:28:39,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2022-11-21 16:28:39,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:39,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2022-11-21 16:28:39,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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) [2022-11-21 16:28:39,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:39,993 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:28:39,994 INFO L175 Difference]: Start difference. First operand has 436 places, 429 transitions, 898 flow. Second operand 3 states and 1409 transitions. [2022-11-21 16:28:39,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 428 transitions, 954 flow [2022-11-21 16:28:39,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 428 transitions, 950 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:39,999 INFO L231 Difference]: Finished difference. Result has 435 places, 428 transitions, 896 flow [2022-11-21 16:28:39,999 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=896, PETRI_PLACES=435, PETRI_TRANSITIONS=428} [2022-11-21 16:28:39,999 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -165 predicate places. [2022-11-21 16:28:40,000 INFO L495 AbstractCegarLoop]: Abstraction has has 435 places, 428 transitions, 896 flow [2022-11-21 16:28:40,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2022-11-21 16:28:40,000 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:40,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:40,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 16:28:40,001 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:40,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:40,001 INFO L85 PathProgramCache]: Analyzing trace with hash 969075404, now seen corresponding path program 1 times [2022-11-21 16:28:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:40,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084086156] [2022-11-21 16:28:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:40,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:40,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084086156] [2022-11-21 16:28:40,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084086156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:40,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:40,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:28:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209831713] [2022-11-21 16:28:40,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:40,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:28:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:40,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:28:40,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:28:40,839 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 637 [2022-11-21 16:28:40,841 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 428 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 415.1666666666667) internal successors, (2491), 6 states have internal predecessors, (2491), 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) [2022-11-21 16:28:40,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:40,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 637 [2022-11-21 16:28:40,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:48,391 INFO L130 PetriNetUnfolder]: 9455/14668 cut-off events. [2022-11-21 16:28:48,391 INFO L131 PetriNetUnfolder]: For 5163/5163 co-relation queries the response was YES. [2022-11-21 16:28:48,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32476 conditions, 14668 events. 9455/14668 cut-off events. For 5163/5163 co-relation queries the response was YES. Maximal size of possible extension queue 532. Compared 87058 event pairs, 1407 based on Foata normal form. 0/14195 useless extension candidates. Maximal degree in co-relation 32403. Up to 6008 conditions per place. [2022-11-21 16:28:48,524 INFO L137 encePairwiseOnDemand]: 632/637 looper letters, 131 selfloop transitions, 4 changer transitions 0/491 dead transitions. [2022-11-21 16:28:48,524 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 491 transitions, 1356 flow [2022-11-21 16:28:48,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:28:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:28:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2594 transitions. [2022-11-21 16:28:48,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6787022501308215 [2022-11-21 16:28:48,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2594 transitions. [2022-11-21 16:28:48,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2594 transitions. [2022-11-21 16:28:48,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:48,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2594 transitions. [2022-11-21 16:28:48,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 432.3333333333333) internal successors, (2594), 6 states have internal predecessors, (2594), 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) [2022-11-21 16:28:48,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:28:48,533 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:28:48,534 INFO L175 Difference]: Start difference. First operand has 435 places, 428 transitions, 896 flow. Second operand 6 states and 2594 transitions. [2022-11-21 16:28:48,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 491 transitions, 1356 flow [2022-11-21 16:28:48,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 491 transitions, 1352 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:28:48,543 INFO L231 Difference]: Finished difference. Result has 437 places, 427 transitions, 898 flow [2022-11-21 16:28:48,544 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=898, PETRI_PLACES=437, PETRI_TRANSITIONS=427} [2022-11-21 16:28:48,544 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -163 predicate places. [2022-11-21 16:28:48,545 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 427 transitions, 898 flow [2022-11-21 16:28:48,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 415.1666666666667) internal successors, (2491), 6 states have internal predecessors, (2491), 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) [2022-11-21 16:28:48,545 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:48,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:48,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 16:28:48,546 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:48,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:48,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1699968841, now seen corresponding path program 1 times [2022-11-21 16:28:48,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:48,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549194937] [2022-11-21 16:28:48,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:48,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:49,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:49,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549194937] [2022-11-21 16:28:49,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549194937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:49,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:49,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:28:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099555109] [2022-11-21 16:28:49,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:49,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:28:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:49,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:28:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:28:49,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 637 [2022-11-21 16:28:49,432 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 427 transitions, 898 flow. Second operand has 6 states, 6 states have (on average 416.1666666666667) internal successors, (2497), 6 states have internal predecessors, (2497), 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) [2022-11-21 16:28:49,432 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:49,432 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 637 [2022-11-21 16:28:49,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:28:56,363 INFO L130 PetriNetUnfolder]: 8454/13480 cut-off events. [2022-11-21 16:28:56,363 INFO L131 PetriNetUnfolder]: For 5063/5063 co-relation queries the response was YES. [2022-11-21 16:28:56,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30515 conditions, 13480 events. 8454/13480 cut-off events. For 5063/5063 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 81473 event pairs, 4677 based on Foata normal form. 0/12921 useless extension candidates. Maximal degree in co-relation 30442. Up to 8251 conditions per place. [2022-11-21 16:28:56,467 INFO L137 encePairwiseOnDemand]: 632/637 looper letters, 102 selfloop transitions, 4 changer transitions 0/462 dead transitions. [2022-11-21 16:28:56,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 462 transitions, 1228 flow [2022-11-21 16:28:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:28:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:28:56,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2569 transitions. [2022-11-21 16:28:56,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6721611721611722 [2022-11-21 16:28:56,473 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2569 transitions. [2022-11-21 16:28:56,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2569 transitions. [2022-11-21 16:28:56,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:28:56,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2569 transitions. [2022-11-21 16:28:56,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 428.1666666666667) internal successors, (2569), 6 states have internal predecessors, (2569), 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) [2022-11-21 16:28:56,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:28:56,480 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:28:56,480 INFO L175 Difference]: Start difference. First operand has 437 places, 427 transitions, 898 flow. Second operand 6 states and 2569 transitions. [2022-11-21 16:28:56,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 462 transitions, 1228 flow [2022-11-21 16:28:56,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 462 transitions, 1221 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:28:56,491 INFO L231 Difference]: Finished difference. Result has 437 places, 426 transitions, 897 flow [2022-11-21 16:28:56,492 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=897, PETRI_PLACES=437, PETRI_TRANSITIONS=426} [2022-11-21 16:28:56,492 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -163 predicate places. [2022-11-21 16:28:56,493 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 426 transitions, 897 flow [2022-11-21 16:28:56,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 416.1666666666667) internal successors, (2497), 6 states have internal predecessors, (2497), 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) [2022-11-21 16:28:56,493 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:28:56,494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:28:56,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-21 16:28:56,494 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:28:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:28:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1349117587, now seen corresponding path program 1 times [2022-11-21 16:28:56,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:28:56,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068386566] [2022-11-21 16:28:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:28:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:28:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:28:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:28:57,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:28:57,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068386566] [2022-11-21 16:28:57,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068386566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:28:57,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:28:57,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:28:57,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123322311] [2022-11-21 16:28:57,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:28:57,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:28:57,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:28:57,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:28:57,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:28:57,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 637 [2022-11-21 16:28:57,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 426 transitions, 897 flow. Second operand has 6 states, 6 states have (on average 417.1666666666667) internal successors, (2503), 6 states have internal predecessors, (2503), 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) [2022-11-21 16:28:57,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:28:57,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 637 [2022-11-21 16:28:57,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:29:05,147 INFO L130 PetriNetUnfolder]: 8273/13343 cut-off events. [2022-11-21 16:29:05,147 INFO L131 PetriNetUnfolder]: For 4506/4506 co-relation queries the response was YES. [2022-11-21 16:29:05,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29557 conditions, 13343 events. 8273/13343 cut-off events. For 4506/4506 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 81278 event pairs, 5439 based on Foata normal form. 0/12830 useless extension candidates. Maximal degree in co-relation 29484. Up to 9740 conditions per place. [2022-11-21 16:29:05,238 INFO L137 encePairwiseOnDemand]: 632/637 looper letters, 89 selfloop transitions, 4 changer transitions 0/449 dead transitions. [2022-11-21 16:29:05,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 449 transitions, 1161 flow [2022-11-21 16:29:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:29:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:29:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2560 transitions. [2022-11-21 16:29:05,244 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6698063840920984 [2022-11-21 16:29:05,244 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2560 transitions. [2022-11-21 16:29:05,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2560 transitions. [2022-11-21 16:29:05,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:29:05,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2560 transitions. [2022-11-21 16:29:05,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 426.6666666666667) internal successors, (2560), 6 states have internal predecessors, (2560), 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) [2022-11-21 16:29:05,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:29:05,254 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:29:05,254 INFO L175 Difference]: Start difference. First operand has 437 places, 426 transitions, 897 flow. Second operand 6 states and 2560 transitions. [2022-11-21 16:29:05,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 449 transitions, 1161 flow [2022-11-21 16:29:05,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 449 transitions, 1154 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:29:05,265 INFO L231 Difference]: Finished difference. Result has 437 places, 425 transitions, 896 flow [2022-11-21 16:29:05,265 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=437, PETRI_TRANSITIONS=425} [2022-11-21 16:29:05,266 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -163 predicate places. [2022-11-21 16:29:05,266 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 425 transitions, 896 flow [2022-11-21 16:29:05,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 417.1666666666667) internal successors, (2503), 6 states have internal predecessors, (2503), 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) [2022-11-21 16:29:05,267 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:29:05,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:05,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-21 16:29:05,267 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:29:05,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:05,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1254205707, now seen corresponding path program 1 times [2022-11-21 16:29:05,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:05,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088389357] [2022-11-21 16:29:05,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:05,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:29:06,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:06,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088389357] [2022-11-21 16:29:06,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088389357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:06,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:06,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:29:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931037383] [2022-11-21 16:29:06,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:06,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:29:06,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:06,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:29:06,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:29:06,194 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 637 [2022-11-21 16:29:06,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 425 transitions, 896 flow. Second operand has 6 states, 6 states have (on average 418.1666666666667) internal successors, (2509), 6 states have internal predecessors, (2509), 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) [2022-11-21 16:29:06,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:29:06,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 637 [2022-11-21 16:29:06,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:29:13,196 INFO L130 PetriNetUnfolder]: 8324/13406 cut-off events. [2022-11-21 16:29:13,196 INFO L131 PetriNetUnfolder]: For 4466/4466 co-relation queries the response was YES. [2022-11-21 16:29:13,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29667 conditions, 13406 events. 8324/13406 cut-off events. For 4466/4466 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 82088 event pairs, 5865 based on Foata normal form. 0/12956 useless extension candidates. Maximal degree in co-relation 29594. Up to 10633 conditions per place. [2022-11-21 16:29:13,287 INFO L137 encePairwiseOnDemand]: 632/637 looper letters, 76 selfloop transitions, 4 changer transitions 0/436 dead transitions. [2022-11-21 16:29:13,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 436 transitions, 1094 flow [2022-11-21 16:29:13,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:29:13,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:29:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2551 transitions. [2022-11-21 16:29:13,290 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6674515960230246 [2022-11-21 16:29:13,290 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2551 transitions. [2022-11-21 16:29:13,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2551 transitions. [2022-11-21 16:29:13,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:29:13,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2551 transitions. [2022-11-21 16:29:13,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 425.1666666666667) internal successors, (2551), 6 states have internal predecessors, (2551), 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) [2022-11-21 16:29:13,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:29:13,300 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 637.0) internal successors, (4459), 7 states have internal predecessors, (4459), 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) [2022-11-21 16:29:13,300 INFO L175 Difference]: Start difference. First operand has 437 places, 425 transitions, 896 flow. Second operand 6 states and 2551 transitions. [2022-11-21 16:29:13,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 436 transitions, 1094 flow [2022-11-21 16:29:13,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 436 transitions, 1087 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:29:13,311 INFO L231 Difference]: Finished difference. Result has 437 places, 424 transitions, 895 flow [2022-11-21 16:29:13,312 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=895, PETRI_PLACES=437, PETRI_TRANSITIONS=424} [2022-11-21 16:29:13,312 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -163 predicate places. [2022-11-21 16:29:13,312 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 424 transitions, 895 flow [2022-11-21 16:29:13,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.1666666666667) internal successors, (2509), 6 states have internal predecessors, (2509), 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) [2022-11-21 16:29:13,313 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:29:13,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:29:13,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-21 16:29:13,314 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 300 more)] === [2022-11-21 16:29:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:13,314 INFO L85 PathProgramCache]: Analyzing trace with hash 246165454, now seen corresponding path program 1 times [2022-11-21 16:29:13,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:13,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805466316] [2022-11-21 16:29:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:13,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:29:13,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:29:13,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805466316] [2022-11-21 16:29:13,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805466316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:29:13,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:29:13,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:29:13,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736892160] [2022-11-21 16:29:13,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:29:13,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:29:13,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:29:13,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:29:13,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:29:13,420 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 637 [2022-11-21 16:29:13,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 424 transitions, 895 flow. Second operand has 3 states, 3 states have (on average 465.0) internal successors, (1395), 3 states have internal predecessors, (1395), 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) [2022-11-21 16:29:13,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:29:13,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 637 [2022-11-21 16:29:13,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:29:14,802 INFO L130 PetriNetUnfolder]: 1343/3749 cut-off events. [2022-11-21 16:29:14,802 INFO L131 PetriNetUnfolder]: For 909/996 co-relation queries the response was YES. [2022-11-21 16:29:14,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6644 conditions, 3749 events. 1343/3749 cut-off events. For 909/996 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 27057 event pairs, 908 based on Foata normal form. 16/3414 useless extension candidates. Maximal degree in co-relation 6571. Up to 1853 conditions per place. [2022-11-21 16:29:14,812 INFO L137 encePairwiseOnDemand]: 635/637 looper letters, 0 selfloop transitions, 0 changer transitions 423/423 dead transitions. [2022-11-21 16:29:14,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 423 transitions, 947 flow [2022-11-21 16:29:14,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:29:14,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:29:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2022-11-21 16:29:14,815 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7362637362637363 [2022-11-21 16:29:14,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1407 transitions. [2022-11-21 16:29:14,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1407 transitions. [2022-11-21 16:29:14,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:29:14,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1407 transitions. [2022-11-21 16:29:14,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 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) [2022-11-21 16:29:14,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:29:14,818 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 637.0) internal successors, (2548), 4 states have internal predecessors, (2548), 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) [2022-11-21 16:29:14,818 INFO L175 Difference]: Start difference. First operand has 437 places, 424 transitions, 895 flow. Second operand 3 states and 1407 transitions. [2022-11-21 16:29:14,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 423 transitions, 947 flow [2022-11-21 16:29:14,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 423 transitions, 940 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:29:14,824 INFO L231 Difference]: Finished difference. Result has 434 places, 0 transitions, 0 flow [2022-11-21 16:29:14,825 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=434, PETRI_TRANSITIONS=0} [2022-11-21 16:29:14,825 INFO L288 CegarLoopForPetriNet]: 600 programPoint places, -166 predicate places. [2022-11-21 16:29:14,825 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 0 transitions, 0 flow [2022-11-21 16:29:14,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 465.0) internal successors, (1395), 3 states have internal predecessors, (1395), 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) [2022-11-21 16:29:14,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (303 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (302 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (301 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (300 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (299 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (298 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (297 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (296 of 304 remaining) [2022-11-21 16:29:14,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (295 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (294 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (293 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (292 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (291 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (290 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (289 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (288 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (287 of 304 remaining) [2022-11-21 16:29:14,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (286 of 304 remaining) [2022-11-21 16:29:14,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (285 of 304 remaining) [2022-11-21 16:29:14,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (284 of 304 remaining) [2022-11-21 16:29:14,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (283 of 304 remaining) [2022-11-21 16:29:14,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (282 of 304 remaining) [2022-11-21 16:29:14,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (281 of 304 remaining) [2022-11-21 16:29:14,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (280 of 304 remaining) [2022-11-21 16:29:14,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (279 of 304 remaining) [2022-11-21 16:29:14,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (278 of 304 remaining) [2022-11-21 16:29:14,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (277 of 304 remaining) [2022-11-21 16:29:14,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (276 of 304 remaining) [2022-11-21 16:29:14,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (275 of 304 remaining) [2022-11-21 16:29:14,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (274 of 304 remaining) [2022-11-21 16:29:14,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (273 of 304 remaining) [2022-11-21 16:29:14,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (272 of 304 remaining) [2022-11-21 16:29:14,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (271 of 304 remaining) [2022-11-21 16:29:14,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (270 of 304 remaining) [2022-11-21 16:29:14,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (269 of 304 remaining) [2022-11-21 16:29:14,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (268 of 304 remaining) [2022-11-21 16:29:14,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (267 of 304 remaining) [2022-11-21 16:29:14,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (266 of 304 remaining) [2022-11-21 16:29:14,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (265 of 304 remaining) [2022-11-21 16:29:14,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (264 of 304 remaining) [2022-11-21 16:29:14,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (263 of 304 remaining) [2022-11-21 16:29:14,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (262 of 304 remaining) [2022-11-21 16:29:14,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (261 of 304 remaining) [2022-11-21 16:29:14,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (260 of 304 remaining) [2022-11-21 16:29:14,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (259 of 304 remaining) [2022-11-21 16:29:14,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (258 of 304 remaining) [2022-11-21 16:29:14,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (257 of 304 remaining) [2022-11-21 16:29:14,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (256 of 304 remaining) [2022-11-21 16:29:14,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (255 of 304 remaining) [2022-11-21 16:29:14,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (254 of 304 remaining) [2022-11-21 16:29:14,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (253 of 304 remaining) [2022-11-21 16:29:14,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (252 of 304 remaining) [2022-11-21 16:29:14,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (251 of 304 remaining) [2022-11-21 16:29:14,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (250 of 304 remaining) [2022-11-21 16:29:14,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (249 of 304 remaining) [2022-11-21 16:29:14,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (248 of 304 remaining) [2022-11-21 16:29:14,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (247 of 304 remaining) [2022-11-21 16:29:14,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (246 of 304 remaining) [2022-11-21 16:29:14,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (245 of 304 remaining) [2022-11-21 16:29:14,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (244 of 304 remaining) [2022-11-21 16:29:14,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (243 of 304 remaining) [2022-11-21 16:29:14,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (242 of 304 remaining) [2022-11-21 16:29:14,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (241 of 304 remaining) [2022-11-21 16:29:14,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (240 of 304 remaining) [2022-11-21 16:29:14,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (239 of 304 remaining) [2022-11-21 16:29:14,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (238 of 304 remaining) [2022-11-21 16:29:14,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (237 of 304 remaining) [2022-11-21 16:29:14,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (236 of 304 remaining) [2022-11-21 16:29:14,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (235 of 304 remaining) [2022-11-21 16:29:14,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (234 of 304 remaining) [2022-11-21 16:29:14,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (233 of 304 remaining) [2022-11-21 16:29:14,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (232 of 304 remaining) [2022-11-21 16:29:14,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (231 of 304 remaining) [2022-11-21 16:29:14,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (230 of 304 remaining) [2022-11-21 16:29:14,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (229 of 304 remaining) [2022-11-21 16:29:14,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (228 of 304 remaining) [2022-11-21 16:29:14,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (227 of 304 remaining) [2022-11-21 16:29:14,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (226 of 304 remaining) [2022-11-21 16:29:14,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (225 of 304 remaining) [2022-11-21 16:29:14,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (224 of 304 remaining) [2022-11-21 16:29:14,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (223 of 304 remaining) [2022-11-21 16:29:14,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (222 of 304 remaining) [2022-11-21 16:29:14,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (221 of 304 remaining) [2022-11-21 16:29:14,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (220 of 304 remaining) [2022-11-21 16:29:14,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (219 of 304 remaining) [2022-11-21 16:29:14,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (218 of 304 remaining) [2022-11-21 16:29:14,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (217 of 304 remaining) [2022-11-21 16:29:14,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (216 of 304 remaining) [2022-11-21 16:29:14,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (215 of 304 remaining) [2022-11-21 16:29:14,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (214 of 304 remaining) [2022-11-21 16:29:14,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (213 of 304 remaining) [2022-11-21 16:29:14,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (212 of 304 remaining) [2022-11-21 16:29:14,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (211 of 304 remaining) [2022-11-21 16:29:14,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (210 of 304 remaining) [2022-11-21 16:29:14,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (209 of 304 remaining) [2022-11-21 16:29:14,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (208 of 304 remaining) [2022-11-21 16:29:14,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (207 of 304 remaining) [2022-11-21 16:29:14,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (206 of 304 remaining) [2022-11-21 16:29:14,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (205 of 304 remaining) [2022-11-21 16:29:14,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (204 of 304 remaining) [2022-11-21 16:29:14,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (203 of 304 remaining) [2022-11-21 16:29:14,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (202 of 304 remaining) [2022-11-21 16:29:14,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (201 of 304 remaining) [2022-11-21 16:29:14,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (200 of 304 remaining) [2022-11-21 16:29:14,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (199 of 304 remaining) [2022-11-21 16:29:14,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (198 of 304 remaining) [2022-11-21 16:29:14,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (197 of 304 remaining) [2022-11-21 16:29:14,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (196 of 304 remaining) [2022-11-21 16:29:14,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (195 of 304 remaining) [2022-11-21 16:29:14,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (194 of 304 remaining) [2022-11-21 16:29:14,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (193 of 304 remaining) [2022-11-21 16:29:14,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (192 of 304 remaining) [2022-11-21 16:29:14,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (191 of 304 remaining) [2022-11-21 16:29:14,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (190 of 304 remaining) [2022-11-21 16:29:14,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (189 of 304 remaining) [2022-11-21 16:29:14,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (188 of 304 remaining) [2022-11-21 16:29:14,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (187 of 304 remaining) [2022-11-21 16:29:14,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (186 of 304 remaining) [2022-11-21 16:29:14,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (185 of 304 remaining) [2022-11-21 16:29:14,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (184 of 304 remaining) [2022-11-21 16:29:14,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (183 of 304 remaining) [2022-11-21 16:29:14,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (182 of 304 remaining) [2022-11-21 16:29:14,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (181 of 304 remaining) [2022-11-21 16:29:14,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (180 of 304 remaining) [2022-11-21 16:29:14,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (179 of 304 remaining) [2022-11-21 16:29:14,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (178 of 304 remaining) [2022-11-21 16:29:14,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (177 of 304 remaining) [2022-11-21 16:29:14,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (176 of 304 remaining) [2022-11-21 16:29:14,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (175 of 304 remaining) [2022-11-21 16:29:14,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (174 of 304 remaining) [2022-11-21 16:29:14,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (173 of 304 remaining) [2022-11-21 16:29:14,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (172 of 304 remaining) [2022-11-21 16:29:14,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (171 of 304 remaining) [2022-11-21 16:29:14,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (170 of 304 remaining) [2022-11-21 16:29:14,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (169 of 304 remaining) [2022-11-21 16:29:14,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (168 of 304 remaining) [2022-11-21 16:29:14,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (167 of 304 remaining) [2022-11-21 16:29:14,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (166 of 304 remaining) [2022-11-21 16:29:14,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (165 of 304 remaining) [2022-11-21 16:29:14,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (164 of 304 remaining) [2022-11-21 16:29:14,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (163 of 304 remaining) [2022-11-21 16:29:14,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (162 of 304 remaining) [2022-11-21 16:29:14,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (161 of 304 remaining) [2022-11-21 16:29:14,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (160 of 304 remaining) [2022-11-21 16:29:14,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (159 of 304 remaining) [2022-11-21 16:29:14,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (158 of 304 remaining) [2022-11-21 16:29:14,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (157 of 304 remaining) [2022-11-21 16:29:14,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (156 of 304 remaining) [2022-11-21 16:29:14,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (155 of 304 remaining) [2022-11-21 16:29:14,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (154 of 304 remaining) [2022-11-21 16:29:14,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (153 of 304 remaining) [2022-11-21 16:29:14,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (152 of 304 remaining) [2022-11-21 16:29:14,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (151 of 304 remaining) [2022-11-21 16:29:14,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (150 of 304 remaining) [2022-11-21 16:29:14,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (149 of 304 remaining) [2022-11-21 16:29:14,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (148 of 304 remaining) [2022-11-21 16:29:14,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (147 of 304 remaining) [2022-11-21 16:29:14,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (146 of 304 remaining) [2022-11-21 16:29:14,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (145 of 304 remaining) [2022-11-21 16:29:14,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (144 of 304 remaining) [2022-11-21 16:29:14,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (143 of 304 remaining) [2022-11-21 16:29:14,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (142 of 304 remaining) [2022-11-21 16:29:14,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (141 of 304 remaining) [2022-11-21 16:29:14,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (140 of 304 remaining) [2022-11-21 16:29:14,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (139 of 304 remaining) [2022-11-21 16:29:14,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (138 of 304 remaining) [2022-11-21 16:29:14,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (137 of 304 remaining) [2022-11-21 16:29:14,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (136 of 304 remaining) [2022-11-21 16:29:14,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (135 of 304 remaining) [2022-11-21 16:29:14,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (134 of 304 remaining) [2022-11-21 16:29:14,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (133 of 304 remaining) [2022-11-21 16:29:14,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (132 of 304 remaining) [2022-11-21 16:29:14,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 304 remaining) [2022-11-21 16:29:14,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 304 remaining) [2022-11-21 16:29:14,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 304 remaining) [2022-11-21 16:29:14,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 304 remaining) [2022-11-21 16:29:14,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 304 remaining) [2022-11-21 16:29:14,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 304 remaining) [2022-11-21 16:29:14,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 304 remaining) [2022-11-21 16:29:14,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 304 remaining) [2022-11-21 16:29:14,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (123 of 304 remaining) [2022-11-21 16:29:14,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (122 of 304 remaining) [2022-11-21 16:29:14,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (121 of 304 remaining) [2022-11-21 16:29:14,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (120 of 304 remaining) [2022-11-21 16:29:14,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (119 of 304 remaining) [2022-11-21 16:29:14,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (118 of 304 remaining) [2022-11-21 16:29:14,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (117 of 304 remaining) [2022-11-21 16:29:14,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (116 of 304 remaining) [2022-11-21 16:29:14,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (115 of 304 remaining) [2022-11-21 16:29:14,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (114 of 304 remaining) [2022-11-21 16:29:14,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (113 of 304 remaining) [2022-11-21 16:29:14,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (112 of 304 remaining) [2022-11-21 16:29:14,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (111 of 304 remaining) [2022-11-21 16:29:14,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (110 of 304 remaining) [2022-11-21 16:29:14,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (109 of 304 remaining) [2022-11-21 16:29:14,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (108 of 304 remaining) [2022-11-21 16:29:14,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (107 of 304 remaining) [2022-11-21 16:29:14,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (106 of 304 remaining) [2022-11-21 16:29:14,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (105 of 304 remaining) [2022-11-21 16:29:14,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (104 of 304 remaining) [2022-11-21 16:29:14,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (103 of 304 remaining) [2022-11-21 16:29:14,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (102 of 304 remaining) [2022-11-21 16:29:14,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (101 of 304 remaining) [2022-11-21 16:29:14,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (100 of 304 remaining) [2022-11-21 16:29:14,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (99 of 304 remaining) [2022-11-21 16:29:14,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (98 of 304 remaining) [2022-11-21 16:29:14,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (97 of 304 remaining) [2022-11-21 16:29:14,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (96 of 304 remaining) [2022-11-21 16:29:14,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (95 of 304 remaining) [2022-11-21 16:29:14,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (94 of 304 remaining) [2022-11-21 16:29:14,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (93 of 304 remaining) [2022-11-21 16:29:14,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (92 of 304 remaining) [2022-11-21 16:29:14,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (91 of 304 remaining) [2022-11-21 16:29:14,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (90 of 304 remaining) [2022-11-21 16:29:14,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (89 of 304 remaining) [2022-11-21 16:29:14,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (88 of 304 remaining) [2022-11-21 16:29:14,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (87 of 304 remaining) [2022-11-21 16:29:14,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (86 of 304 remaining) [2022-11-21 16:29:14,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (85 of 304 remaining) [2022-11-21 16:29:14,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (84 of 304 remaining) [2022-11-21 16:29:14,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (83 of 304 remaining) [2022-11-21 16:29:14,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (82 of 304 remaining) [2022-11-21 16:29:14,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (81 of 304 remaining) [2022-11-21 16:29:14,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (80 of 304 remaining) [2022-11-21 16:29:14,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (79 of 304 remaining) [2022-11-21 16:29:14,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (78 of 304 remaining) [2022-11-21 16:29:14,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (77 of 304 remaining) [2022-11-21 16:29:14,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (76 of 304 remaining) [2022-11-21 16:29:14,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (75 of 304 remaining) [2022-11-21 16:29:14,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (74 of 304 remaining) [2022-11-21 16:29:14,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (73 of 304 remaining) [2022-11-21 16:29:14,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (72 of 304 remaining) [2022-11-21 16:29:14,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (71 of 304 remaining) [2022-11-21 16:29:14,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (70 of 304 remaining) [2022-11-21 16:29:14,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (69 of 304 remaining) [2022-11-21 16:29:14,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (68 of 304 remaining) [2022-11-21 16:29:14,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (67 of 304 remaining) [2022-11-21 16:29:14,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (66 of 304 remaining) [2022-11-21 16:29:14,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (65 of 304 remaining) [2022-11-21 16:29:14,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (64 of 304 remaining) [2022-11-21 16:29:14,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (63 of 304 remaining) [2022-11-21 16:29:14,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (62 of 304 remaining) [2022-11-21 16:29:14,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (61 of 304 remaining) [2022-11-21 16:29:14,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (60 of 304 remaining) [2022-11-21 16:29:14,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (59 of 304 remaining) [2022-11-21 16:29:14,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (58 of 304 remaining) [2022-11-21 16:29:14,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (57 of 304 remaining) [2022-11-21 16:29:14,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (56 of 304 remaining) [2022-11-21 16:29:14,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (55 of 304 remaining) [2022-11-21 16:29:14,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (54 of 304 remaining) [2022-11-21 16:29:14,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (53 of 304 remaining) [2022-11-21 16:29:14,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (52 of 304 remaining) [2022-11-21 16:29:14,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (51 of 304 remaining) [2022-11-21 16:29:14,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (50 of 304 remaining) [2022-11-21 16:29:14,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (49 of 304 remaining) [2022-11-21 16:29:14,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (48 of 304 remaining) [2022-11-21 16:29:14,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (47 of 304 remaining) [2022-11-21 16:29:14,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (46 of 304 remaining) [2022-11-21 16:29:14,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (45 of 304 remaining) [2022-11-21 16:29:14,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (44 of 304 remaining) [2022-11-21 16:29:14,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (43 of 304 remaining) [2022-11-21 16:29:14,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (42 of 304 remaining) [2022-11-21 16:29:14,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (41 of 304 remaining) [2022-11-21 16:29:14,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (40 of 304 remaining) [2022-11-21 16:29:14,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (39 of 304 remaining) [2022-11-21 16:29:14,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (38 of 304 remaining) [2022-11-21 16:29:14,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (37 of 304 remaining) [2022-11-21 16:29:14,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (36 of 304 remaining) [2022-11-21 16:29:14,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (35 of 304 remaining) [2022-11-21 16:29:14,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (34 of 304 remaining) [2022-11-21 16:29:14,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (33 of 304 remaining) [2022-11-21 16:29:14,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (32 of 304 remaining) [2022-11-21 16:29:14,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (31 of 304 remaining) [2022-11-21 16:29:14,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (30 of 304 remaining) [2022-11-21 16:29:14,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (29 of 304 remaining) [2022-11-21 16:29:14,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (28 of 304 remaining) [2022-11-21 16:29:14,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (27 of 304 remaining) [2022-11-21 16:29:14,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (26 of 304 remaining) [2022-11-21 16:29:14,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (25 of 304 remaining) [2022-11-21 16:29:14,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (24 of 304 remaining) [2022-11-21 16:29:14,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (23 of 304 remaining) [2022-11-21 16:29:14,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (22 of 304 remaining) [2022-11-21 16:29:14,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (21 of 304 remaining) [2022-11-21 16:29:14,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (20 of 304 remaining) [2022-11-21 16:29:14,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (19 of 304 remaining) [2022-11-21 16:29:14,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (18 of 304 remaining) [2022-11-21 16:29:14,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (17 of 304 remaining) [2022-11-21 16:29:14,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (16 of 304 remaining) [2022-11-21 16:29:14,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (15 of 304 remaining) [2022-11-21 16:29:14,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (14 of 304 remaining) [2022-11-21 16:29:14,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (13 of 304 remaining) [2022-11-21 16:29:14,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (12 of 304 remaining) [2022-11-21 16:29:14,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (11 of 304 remaining) [2022-11-21 16:29:14,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (10 of 304 remaining) [2022-11-21 16:29:14,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (9 of 304 remaining) [2022-11-21 16:29:14,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (8 of 304 remaining) [2022-11-21 16:29:14,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (7 of 304 remaining) [2022-11-21 16:29:14,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (6 of 304 remaining) [2022-11-21 16:29:14,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (5 of 304 remaining) [2022-11-21 16:29:14,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (4 of 304 remaining) [2022-11-21 16:29:14,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (3 of 304 remaining) [2022-11-21 16:29:14,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (2 of 304 remaining) [2022-11-21 16:29:14,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (1 of 304 remaining) [2022-11-21 16:29:14,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (0 of 304 remaining) [2022-11-21 16:29:14,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-21 16:29:14,880 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-21 16:29:14,889 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:29:14,889 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:29:14,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:29:14 BasicIcfg [2022-11-21 16:29:14,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:29:14,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:29:14,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:29:14,896 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:29:14,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:28:04" (3/4) ... [2022-11-21 16:29:14,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:29:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 16:29:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 16:29:14,905 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 16:29:14,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-21 16:29:14,914 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-21 16:29:14,915 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:29:14,916 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:29:14,916 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:29:14,976 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:29:14,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:29:14,977 INFO L158 Benchmark]: Toolchain (without parser) took 73772.95ms. Allocated memory was 169.9MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 124.4MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-21 16:29:14,977 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:14,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.09ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 107.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 16:29:14,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.65ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 101.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:29:14,978 INFO L158 Benchmark]: Boogie Preprocessor took 114.36ms. Allocated memory is still 169.9MB. Free memory was 101.9MB in the beginning and 96.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:29:14,978 INFO L158 Benchmark]: RCFGBuilder took 2945.18ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 96.1MB in the beginning and 139.9MB in the end (delta: -43.8MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2022-11-21 16:29:14,979 INFO L158 Benchmark]: TraceAbstraction took 69998.20ms. Allocated memory was 216.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 139.9MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-21 16:29:14,979 INFO L158 Benchmark]: Witness Printer took 80.10ms. Allocated memory is still 5.7GB. Free memory was 4.5GB in the beginning and 4.5GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:29:14,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.09ms. Allocated memory is still 169.9MB. Free memory was 123.9MB in the beginning and 107.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.65ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 101.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.36ms. Allocated memory is still 169.9MB. Free memory was 101.9MB in the beginning and 96.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2945.18ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 96.1MB in the beginning and 139.9MB in the end (delta: -43.8MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. * TraceAbstraction took 69998.20ms. Allocated memory was 216.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 139.9MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 80.10ms. Allocated memory is still 5.7GB. Free memory was 4.5GB in the beginning and 4.5GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 66]: 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: 67]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 197]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 197]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 162]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 197]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 167]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 168]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 168]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 169]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 197]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 181]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 182]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: 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 9 procedures, 785 locations, 304 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: 69.6s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 62.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 277 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2126 IncrementalHoareTripleChecker+Invalid, 2403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 277 mSolverCounterUnsat, 331 mSDtfsCounter, 2126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=0, InterpolantAutomatonStates: 114, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 5672 NumberOfCodeBlocks, 5672 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 5639 ConstructedInterpolants, 0 QuantifiedInterpolants, 6134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 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 168 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:29:15,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f25663a-1106-4dc1-b2f4-7fa535a5938a/bin/uautomizer-vX5HgA9Q3a/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