./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:29:48,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:29:48,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:29:48,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:29:48,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:29:48,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:29:48,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:29:48,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:29:48,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:29:48,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:29:48,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:29:48,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:29:48,801 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:29:48,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:29:48,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:29:48,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:29:48,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:29:48,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:29:48,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:29:48,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:29:48,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:29:48,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:29:48,806 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:29:48,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:29:48,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:29:48,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:29:48,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:29:48,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:29:48,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:29:48,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:29:48,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:29:48,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:29:48,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:29:48,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:29:48,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:29:48,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:29:48,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:29:48,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:29:48,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:29:48,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:29:48,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:29:48,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af [2023-11-29 02:29:49,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:29:49,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:29:49,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:29:49,073 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:29:49,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:29:49,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-29 02:29:51,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:29:51,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:29:51,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-29 02:29:51,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/data/9af4aba2e/cb047f8acd9043fc90fae3b9ccd36611/FLAG6c530a1dd [2023-11-29 02:29:52,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/data/9af4aba2e/cb047f8acd9043fc90fae3b9ccd36611 [2023-11-29 02:29:52,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:29:52,007 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:29:52,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:29:52,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:29:52,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:29:52,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d90486c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52, skipping insertion in model container [2023-11-29 02:29:52,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:29:52,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:29:52,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:29:52,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:29:52,281 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:29:52,281 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:29:52,287 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:29:52,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52 WrapperNode [2023-11-29 02:29:52,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:29:52,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:29:52,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:29:52,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:29:52,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,337 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-29 02:29:52,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:29:52,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:29:52,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:29:52,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:29:52,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:29:52,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:29:52,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:29:52,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:29:52,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (1/1) ... [2023-11-29 02:29:52,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:29:52,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:29:52,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:29:52,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:29:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:29:52,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:29:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:29:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:29:52,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:29:52,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:29:52,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:29:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:29:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:29:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:29:52,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 02:29:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 02:29:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:29:52,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:29:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:29:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:29:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:29:52,469 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 02:29:52,575 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:29:52,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:29:52,998 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:29:53,174 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:29:53,175 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 02:29:53,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:29:53 BoogieIcfgContainer [2023-11-29 02:29:53,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:29:53,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:29:53,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:29:53,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:29:53,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:29:52" (1/3) ... [2023-11-29 02:29:53,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771b72f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:29:53, skipping insertion in model container [2023-11-29 02:29:53,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:29:52" (2/3) ... [2023-11-29 02:29:53,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771b72f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:29:53, skipping insertion in model container [2023-11-29 02:29:53,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:29:53" (3/3) ... [2023-11-29 02:29:53,186 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2023-11-29 02:29:53,195 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:29:53,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:29:53,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-29 02:29:53,206 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:29:53,327 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 02:29:53,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 249 transitions, 519 flow [2023-11-29 02:29:53,454 INFO L124 PetriNetUnfolderBase]: 10/246 cut-off events. [2023-11-29 02:29:53,454 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 02:29:53,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 246 events. 10/246 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 230 event pairs, 0 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2023-11-29 02:29:53,460 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 249 transitions, 519 flow [2023-11-29 02:29:53,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 223 transitions, 464 flow [2023-11-29 02:29:53,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:29:53,485 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19f5b7f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:29:53,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-29 02:29:53,490 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:29:53,490 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-29 02:29:53,491 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:29:53,491 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:53,491 INFO L208 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] [2023-11-29 02:29:53,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:53,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:53,497 INFO L85 PathProgramCache]: Analyzing trace with hash 174622197, now seen corresponding path program 1 times [2023-11-29 02:29:53,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:53,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764726531] [2023-11-29 02:29:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:53,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:53,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764726531] [2023-11-29 02:29:53,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764726531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:53,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:53,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:53,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341691939] [2023-11-29 02:29:53,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:53,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:53,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:53,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:53,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:53,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 249 [2023-11-29 02:29:53,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 223 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:53,813 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:53,813 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 249 [2023-11-29 02:29:53,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:53,955 INFO L124 PetriNetUnfolderBase]: 58/430 cut-off events. [2023-11-29 02:29:53,955 INFO L125 PetriNetUnfolderBase]: For 50/60 co-relation queries the response was YES. [2023-11-29 02:29:53,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 571 conditions, 430 events. 58/430 cut-off events. For 50/60 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1495 event pairs, 38 based on Foata normal form. 4/378 useless extension candidates. Maximal degree in co-relation 369. Up to 100 conditions per place. [2023-11-29 02:29:53,962 INFO L140 encePairwiseOnDemand]: 225/249 looper letters, 16 selfloop transitions, 2 changer transitions 3/201 dead transitions. [2023-11-29 02:29:53,963 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 201 transitions, 456 flow [2023-11-29 02:29:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 658 transitions. [2023-11-29 02:29:53,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8808567603748326 [2023-11-29 02:29:53,981 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 658 transitions. [2023-11-29 02:29:53,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 658 transitions. [2023-11-29 02:29:53,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:53,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 658 transitions. [2023-11-29 02:29:53,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:53,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:53,999 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,001 INFO L175 Difference]: Start difference. First operand has 224 places, 223 transitions, 464 flow. Second operand 3 states and 658 transitions. [2023-11-29 02:29:54,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 201 transitions, 456 flow [2023-11-29 02:29:54,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 201 transitions, 444 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 02:29:54,012 INFO L231 Difference]: Finished difference. Result has 204 places, 198 transitions, 406 flow [2023-11-29 02:29:54,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=204, PETRI_TRANSITIONS=198} [2023-11-29 02:29:54,018 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -20 predicate places. [2023-11-29 02:29:54,018 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 198 transitions, 406 flow [2023-11-29 02:29:54,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,019 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:54,020 INFO L208 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] [2023-11-29 02:29:54,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:29:54,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:54,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:54,021 INFO L85 PathProgramCache]: Analyzing trace with hash -146034473, now seen corresponding path program 1 times [2023-11-29 02:29:54,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:54,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867556453] [2023-11-29 02:29:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:54,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:54,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:54,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867556453] [2023-11-29 02:29:54,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867556453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:54,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:54,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:54,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415924051] [2023-11-29 02:29:54,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:54,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:54,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:54,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:54,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:54,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 249 [2023-11-29 02:29:54,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 198 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:54,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 249 [2023-11-29 02:29:54,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:54,259 INFO L124 PetriNetUnfolderBase]: 99/492 cut-off events. [2023-11-29 02:29:54,259 INFO L125 PetriNetUnfolderBase]: For 12/28 co-relation queries the response was YES. [2023-11-29 02:29:54,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 492 events. 99/492 cut-off events. For 12/28 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1983 event pairs, 71 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 652. Up to 163 conditions per place. [2023-11-29 02:29:54,265 INFO L140 encePairwiseOnDemand]: 244/249 looper letters, 17 selfloop transitions, 1 changer transitions 0/194 dead transitions. [2023-11-29 02:29:54,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 194 transitions, 434 flow [2023-11-29 02:29:54,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:54,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:54,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2023-11-29 02:29:54,268 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8487282463186078 [2023-11-29 02:29:54,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2023-11-29 02:29:54,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2023-11-29 02:29:54,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:54,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2023-11-29 02:29:54,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,274 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,275 INFO L175 Difference]: Start difference. First operand has 204 places, 198 transitions, 406 flow. Second operand 3 states and 634 transitions. [2023-11-29 02:29:54,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 194 transitions, 434 flow [2023-11-29 02:29:54,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 194 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:29:54,281 INFO L231 Difference]: Finished difference. Result has 197 places, 194 transitions, 396 flow [2023-11-29 02:29:54,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=197, PETRI_TRANSITIONS=194} [2023-11-29 02:29:54,282 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -27 predicate places. [2023-11-29 02:29:54,282 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 194 transitions, 396 flow [2023-11-29 02:29:54,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:54,283 INFO L208 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] [2023-11-29 02:29:54,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:29:54,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:54,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1284351779, now seen corresponding path program 1 times [2023-11-29 02:29:54,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:54,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616388842] [2023-11-29 02:29:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:54,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:54,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:54,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616388842] [2023-11-29 02:29:54,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616388842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:54,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300418289] [2023-11-29 02:29:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:54,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:54,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:54,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:54,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 249 [2023-11-29 02:29:54,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 194 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:54,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 249 [2023-11-29 02:29:54,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:54,459 INFO L124 PetriNetUnfolderBase]: 28/308 cut-off events. [2023-11-29 02:29:54,459 INFO L125 PetriNetUnfolderBase]: For 11/14 co-relation queries the response was YES. [2023-11-29 02:29:54,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 308 events. 28/308 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 734 event pairs, 15 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 342. Up to 52 conditions per place. [2023-11-29 02:29:54,462 INFO L140 encePairwiseOnDemand]: 246/249 looper letters, 14 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2023-11-29 02:29:54,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 193 transitions, 426 flow [2023-11-29 02:29:54,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2023-11-29 02:29:54,465 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.85809906291834 [2023-11-29 02:29:54,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 641 transitions. [2023-11-29 02:29:54,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 641 transitions. [2023-11-29 02:29:54,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:54,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 641 transitions. [2023-11-29 02:29:54,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,471 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,471 INFO L175 Difference]: Start difference. First operand has 197 places, 194 transitions, 396 flow. Second operand 3 states and 641 transitions. [2023-11-29 02:29:54,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 193 transitions, 426 flow [2023-11-29 02:29:54,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 193 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:29:54,477 INFO L231 Difference]: Finished difference. Result has 197 places, 193 transitions, 397 flow [2023-11-29 02:29:54,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=197, PETRI_TRANSITIONS=193} [2023-11-29 02:29:54,478 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -27 predicate places. [2023-11-29 02:29:54,478 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 193 transitions, 397 flow [2023-11-29 02:29:54,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:54,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:54,479 INFO L208 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] [2023-11-29 02:29:54,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:29:54,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:54,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1130288820, now seen corresponding path program 1 times [2023-11-29 02:29:54,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:54,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306170059] [2023-11-29 02:29:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:54,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:55,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:55,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306170059] [2023-11-29 02:29:55,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306170059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:55,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:55,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:29:55,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101203482] [2023-11-29 02:29:55,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:55,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:29:55,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:55,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:29:55,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:29:55,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 249 [2023-11-29 02:29:55,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 193 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:55,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 249 [2023-11-29 02:29:55,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:55,437 INFO L124 PetriNetUnfolderBase]: 112/457 cut-off events. [2023-11-29 02:29:55,437 INFO L125 PetriNetUnfolderBase]: For 11/25 co-relation queries the response was YES. [2023-11-29 02:29:55,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 457 events. 112/457 cut-off events. For 11/25 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1676 event pairs, 83 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 648. Up to 203 conditions per place. [2023-11-29 02:29:55,443 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 37 selfloop transitions, 5 changer transitions 0/192 dead transitions. [2023-11-29 02:29:55,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 192 transitions, 479 flow [2023-11-29 02:29:55,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:29:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:29:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1141 transitions. [2023-11-29 02:29:55,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7637215528781793 [2023-11-29 02:29:55,447 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1141 transitions. [2023-11-29 02:29:55,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1141 transitions. [2023-11-29 02:29:55,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:55,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1141 transitions. [2023-11-29 02:29:55,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 190.16666666666666) internal successors, (1141), 6 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,458 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,458 INFO L175 Difference]: Start difference. First operand has 197 places, 193 transitions, 397 flow. Second operand 6 states and 1141 transitions. [2023-11-29 02:29:55,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 192 transitions, 479 flow [2023-11-29 02:29:55,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 192 transitions, 475 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:29:55,463 INFO L231 Difference]: Finished difference. Result has 199 places, 192 transitions, 401 flow [2023-11-29 02:29:55,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=199, PETRI_TRANSITIONS=192} [2023-11-29 02:29:55,464 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -25 predicate places. [2023-11-29 02:29:55,465 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 192 transitions, 401 flow [2023-11-29 02:29:55,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.5) internal successors, (1107), 6 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:55,466 INFO L208 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] [2023-11-29 02:29:55,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:29:55,467 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:55,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:55,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1866574889, now seen corresponding path program 1 times [2023-11-29 02:29:55,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:55,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603328291] [2023-11-29 02:29:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:55,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:55,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:55,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603328291] [2023-11-29 02:29:55,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603328291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:55,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:55,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:55,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620279260] [2023-11-29 02:29:55,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:55,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:55,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:55,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:55,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:55,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 249 [2023-11-29 02:29:55,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 192 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:55,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 249 [2023-11-29 02:29:55,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:55,591 INFO L124 PetriNetUnfolderBase]: 28/305 cut-off events. [2023-11-29 02:29:55,591 INFO L125 PetriNetUnfolderBase]: For 11/14 co-relation queries the response was YES. [2023-11-29 02:29:55,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 305 events. 28/305 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 731 event pairs, 15 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 354. Up to 50 conditions per place. [2023-11-29 02:29:55,594 INFO L140 encePairwiseOnDemand]: 246/249 looper letters, 13 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2023-11-29 02:29:55,594 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 190 transitions, 425 flow [2023-11-29 02:29:55,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2023-11-29 02:29:55,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8647925033467202 [2023-11-29 02:29:55,597 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2023-11-29 02:29:55,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2023-11-29 02:29:55,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:55,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2023-11-29 02:29:55,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,603 INFO L175 Difference]: Start difference. First operand has 199 places, 192 transitions, 401 flow. Second operand 3 states and 646 transitions. [2023-11-29 02:29:55,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 190 transitions, 425 flow [2023-11-29 02:29:55,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 190 transitions, 415 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:29:55,608 INFO L231 Difference]: Finished difference. Result has 194 places, 190 transitions, 389 flow [2023-11-29 02:29:55,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=194, PETRI_TRANSITIONS=190} [2023-11-29 02:29:55,609 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-11-29 02:29:55,609 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 190 transitions, 389 flow [2023-11-29 02:29:55,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:55,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:55,610 INFO L208 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] [2023-11-29 02:29:55,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:29:55,611 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:55,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:55,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1418532396, now seen corresponding path program 1 times [2023-11-29 02:29:55,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:55,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395412752] [2023-11-29 02:29:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:55,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:55,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395412752] [2023-11-29 02:29:55,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395412752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:55,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:55,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:29:55,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663448558] [2023-11-29 02:29:55,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:55,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:29:55,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:55,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:29:55,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:29:56,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 249 [2023-11-29 02:29:56,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 190 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:56,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 249 [2023-11-29 02:29:56,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:56,294 INFO L124 PetriNetUnfolderBase]: 28/303 cut-off events. [2023-11-29 02:29:56,294 INFO L125 PetriNetUnfolderBase]: For 11/14 co-relation queries the response was YES. [2023-11-29 02:29:56,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 303 events. 28/303 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 730 event pairs, 15 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 347. Up to 53 conditions per place. [2023-11-29 02:29:56,297 INFO L140 encePairwiseOnDemand]: 243/249 looper letters, 21 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2023-11-29 02:29:56,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 188 transitions, 435 flow [2023-11-29 02:29:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:29:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:29:56,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1221 transitions. [2023-11-29 02:29:56,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8172690763052208 [2023-11-29 02:29:56,301 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1221 transitions. [2023-11-29 02:29:56,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1221 transitions. [2023-11-29 02:29:56,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:56,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1221 transitions. [2023-11-29 02:29:56,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,310 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,310 INFO L175 Difference]: Start difference. First operand has 194 places, 190 transitions, 389 flow. Second operand 6 states and 1221 transitions. [2023-11-29 02:29:56,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 188 transitions, 435 flow [2023-11-29 02:29:56,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 188 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:29:56,315 INFO L231 Difference]: Finished difference. Result has 196 places, 188 transitions, 392 flow [2023-11-29 02:29:56,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=196, PETRI_TRANSITIONS=188} [2023-11-29 02:29:56,316 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -28 predicate places. [2023-11-29 02:29:56,316 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 188 transitions, 392 flow [2023-11-29 02:29:56,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.16666666666666) internal successors, (1201), 6 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:56,317 INFO L208 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] [2023-11-29 02:29:56,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:29:56,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:56,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash -2106039865, now seen corresponding path program 1 times [2023-11-29 02:29:56,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:56,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767900006] [2023-11-29 02:29:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:56,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:56,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767900006] [2023-11-29 02:29:56,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767900006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:56,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:56,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:56,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212287498] [2023-11-29 02:29:56,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:56,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:56,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:56,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:56,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 249 [2023-11-29 02:29:56,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 188 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:56,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 249 [2023-11-29 02:29:56,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:56,442 INFO L124 PetriNetUnfolderBase]: 28/302 cut-off events. [2023-11-29 02:29:56,442 INFO L125 PetriNetUnfolderBase]: For 11/14 co-relation queries the response was YES. [2023-11-29 02:29:56,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 302 events. 28/302 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 728 event pairs, 15 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 339. Up to 50 conditions per place. [2023-11-29 02:29:56,444 INFO L140 encePairwiseOnDemand]: 246/249 looper letters, 12 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2023-11-29 02:29:56,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 187 transitions, 418 flow [2023-11-29 02:29:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2023-11-29 02:29:56,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634538152610441 [2023-11-29 02:29:56,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2023-11-29 02:29:56,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2023-11-29 02:29:56,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:56,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2023-11-29 02:29:56,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,453 INFO L175 Difference]: Start difference. First operand has 196 places, 188 transitions, 392 flow. Second operand 3 states and 645 transitions. [2023-11-29 02:29:56,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 187 transitions, 418 flow [2023-11-29 02:29:56,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 187 transitions, 411 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:29:56,458 INFO L231 Difference]: Finished difference. Result has 193 places, 187 transitions, 387 flow [2023-11-29 02:29:56,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=193, PETRI_TRANSITIONS=187} [2023-11-29 02:29:56,459 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -31 predicate places. [2023-11-29 02:29:56,459 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 187 transitions, 387 flow [2023-11-29 02:29:56,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,460 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:56,460 INFO L208 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] [2023-11-29 02:29:56,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:29:56,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:56,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:56,461 INFO L85 PathProgramCache]: Analyzing trace with hash -836017254, now seen corresponding path program 1 times [2023-11-29 02:29:56,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:56,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003670997] [2023-11-29 02:29:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:56,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:56,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:56,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003670997] [2023-11-29 02:29:56,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003670997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:56,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:56,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:56,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138302146] [2023-11-29 02:29:56,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:56,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:56,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:56,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:56,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:56,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 249 [2023-11-29 02:29:56,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 187 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:56,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 249 [2023-11-29 02:29:56,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:56,583 INFO L124 PetriNetUnfolderBase]: 28/301 cut-off events. [2023-11-29 02:29:56,584 INFO L125 PetriNetUnfolderBase]: For 11/14 co-relation queries the response was YES. [2023-11-29 02:29:56,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 301 events. 28/301 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 724 event pairs, 15 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 337. Up to 50 conditions per place. [2023-11-29 02:29:56,586 INFO L140 encePairwiseOnDemand]: 246/249 looper letters, 12 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2023-11-29 02:29:56,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 186 transitions, 413 flow [2023-11-29 02:29:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 645 transitions. [2023-11-29 02:29:56,589 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8634538152610441 [2023-11-29 02:29:56,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 645 transitions. [2023-11-29 02:29:56,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 645 transitions. [2023-11-29 02:29:56,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:56,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 645 transitions. [2023-11-29 02:29:56,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,594 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,594 INFO L175 Difference]: Start difference. First operand has 193 places, 187 transitions, 387 flow. Second operand 3 states and 645 transitions. [2023-11-29 02:29:56,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 186 transitions, 413 flow [2023-11-29 02:29:56,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 186 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:29:56,598 INFO L231 Difference]: Finished difference. Result has 192 places, 186 transitions, 385 flow [2023-11-29 02:29:56,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=385, PETRI_PLACES=192, PETRI_TRANSITIONS=186} [2023-11-29 02:29:56,600 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -32 predicate places. [2023-11-29 02:29:56,600 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 186 transitions, 385 flow [2023-11-29 02:29:56,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:56,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:56,600 INFO L208 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] [2023-11-29 02:29:56,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:29:56,601 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:56,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:56,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1062580698, now seen corresponding path program 1 times [2023-11-29 02:29:56,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:56,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283121010] [2023-11-29 02:29:56,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:56,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:57,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283121010] [2023-11-29 02:29:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283121010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:57,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:57,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:29:57,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631534504] [2023-11-29 02:29:57,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:57,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:29:57,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:29:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:29:57,410 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 249 [2023-11-29 02:29:57,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 186 transitions, 385 flow. Second operand has 6 states, 6 states have (on average 204.66666666666666) internal successors, (1228), 6 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:57,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:57,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 249 [2023-11-29 02:29:57,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:57,612 INFO L124 PetriNetUnfolderBase]: 108/421 cut-off events. [2023-11-29 02:29:57,612 INFO L125 PetriNetUnfolderBase]: For 5/15 co-relation queries the response was YES. [2023-11-29 02:29:57,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 421 events. 108/421 cut-off events. For 5/15 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1359 event pairs, 10 based on Foata normal form. 8/413 useless extension candidates. Maximal degree in co-relation 577. Up to 64 conditions per place. [2023-11-29 02:29:57,616 INFO L140 encePairwiseOnDemand]: 244/249 looper letters, 28 selfloop transitions, 4 changer transitions 0/197 dead transitions. [2023-11-29 02:29:57,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 197 transitions, 471 flow [2023-11-29 02:29:57,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:29:57,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:29:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2023-11-29 02:29:57,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8373493975903614 [2023-11-29 02:29:57,621 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1251 transitions. [2023-11-29 02:29:57,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1251 transitions. [2023-11-29 02:29:57,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:57,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1251 transitions. [2023-11-29 02:29:57,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:57,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:57,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:57,630 INFO L175 Difference]: Start difference. First operand has 192 places, 186 transitions, 385 flow. Second operand 6 states and 1251 transitions. [2023-11-29 02:29:57,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 197 transitions, 471 flow [2023-11-29 02:29:57,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 197 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:29:57,636 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 387 flow [2023-11-29 02:29:57,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2023-11-29 02:29:57,637 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-11-29 02:29:57,637 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 387 flow [2023-11-29 02:29:57,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.66666666666666) internal successors, (1228), 6 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:57,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:57,638 INFO L208 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] [2023-11-29 02:29:57,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:29:57,639 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:57,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:57,639 INFO L85 PathProgramCache]: Analyzing trace with hash 814418167, now seen corresponding path program 1 times [2023-11-29 02:29:57,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:57,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047242488] [2023-11-29 02:29:57,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:57,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:58,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:58,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047242488] [2023-11-29 02:29:58,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047242488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:58,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:58,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:29:58,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605264688] [2023-11-29 02:29:58,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:58,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:29:58,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:58,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:29:58,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:29:58,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 249 [2023-11-29 02:29:58,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:58,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:58,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 249 [2023-11-29 02:29:58,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:58,667 INFO L124 PetriNetUnfolderBase]: 48/332 cut-off events. [2023-11-29 02:29:58,667 INFO L125 PetriNetUnfolderBase]: For 9/11 co-relation queries the response was YES. [2023-11-29 02:29:58,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 332 events. 48/332 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 891 event pairs, 14 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 418. Up to 49 conditions per place. [2023-11-29 02:29:58,669 INFO L140 encePairwiseOnDemand]: 244/249 looper letters, 24 selfloop transitions, 4 changer transitions 0/192 dead transitions. [2023-11-29 02:29:58,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 192 transitions, 457 flow [2023-11-29 02:29:58,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:29:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:29:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1247 transitions. [2023-11-29 02:29:58,674 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8346720214190094 [2023-11-29 02:29:58,675 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1247 transitions. [2023-11-29 02:29:58,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1247 transitions. [2023-11-29 02:29:58,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:58,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1247 transitions. [2023-11-29 02:29:58,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.83333333333334) internal successors, (1247), 6 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:58,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:58,681 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:58,681 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 387 flow. Second operand 6 states and 1247 transitions. [2023-11-29 02:29:58,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 192 transitions, 457 flow [2023-11-29 02:29:58,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 450 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:29:58,685 INFO L231 Difference]: Finished difference. Result has 194 places, 184 transitions, 386 flow [2023-11-29 02:29:58,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=194, PETRI_TRANSITIONS=184} [2023-11-29 02:29:58,686 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-11-29 02:29:58,686 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 184 transitions, 386 flow [2023-11-29 02:29:58,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:58,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:58,687 INFO L208 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] [2023-11-29 02:29:58,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:29:58,687 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:58,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash 162814671, now seen corresponding path program 1 times [2023-11-29 02:29:58,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:58,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710881514] [2023-11-29 02:29:58,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:58,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:59,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:59,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710881514] [2023-11-29 02:29:59,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710881514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:59,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:59,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:29:59,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527227455] [2023-11-29 02:29:59,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:59,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:29:59,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:59,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:29:59,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:29:59,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 249 [2023-11-29 02:29:59,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 184 transitions, 386 flow. Second operand has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:59,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 249 [2023-11-29 02:29:59,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:59,492 INFO L124 PetriNetUnfolderBase]: 33/305 cut-off events. [2023-11-29 02:29:59,492 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2023-11-29 02:29:59,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 305 events. 33/305 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 707 event pairs, 15 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 365. Up to 52 conditions per place. [2023-11-29 02:29:59,494 INFO L140 encePairwiseOnDemand]: 244/249 looper letters, 20 selfloop transitions, 4 changer transitions 0/187 dead transitions. [2023-11-29 02:29:59,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 187 transitions, 440 flow [2023-11-29 02:29:59,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:29:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:29:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1243 transitions. [2023-11-29 02:29:59,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8319946452476573 [2023-11-29 02:29:59,498 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1243 transitions. [2023-11-29 02:29:59,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1243 transitions. [2023-11-29 02:29:59,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:59,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1243 transitions. [2023-11-29 02:29:59,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.16666666666666) internal successors, (1243), 6 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,505 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 249.0) internal successors, (1743), 7 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,505 INFO L175 Difference]: Start difference. First operand has 194 places, 184 transitions, 386 flow. Second operand 6 states and 1243 transitions. [2023-11-29 02:29:59,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 187 transitions, 440 flow [2023-11-29 02:29:59,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 187 transitions, 433 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:29:59,509 INFO L231 Difference]: Finished difference. Result has 194 places, 183 transitions, 385 flow [2023-11-29 02:29:59,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=194, PETRI_TRANSITIONS=183} [2023-11-29 02:29:59,510 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-11-29 02:29:59,510 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 183 transitions, 385 flow [2023-11-29 02:29:59,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:29:59,510 INFO L208 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] [2023-11-29 02:29:59,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:29:59,511 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-29 02:29:59,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:29:59,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1758392486, now seen corresponding path program 1 times [2023-11-29 02:29:59,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:29:59,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331604685] [2023-11-29 02:29:59,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:29:59,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:29:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:29:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:29:59,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:29:59,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331604685] [2023-11-29 02:29:59,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331604685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:29:59,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:29:59,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:29:59,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460142699] [2023-11-29 02:29:59,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:29:59,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:29:59,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:29:59,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:29:59,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:29:59,578 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 249 [2023-11-29 02:29:59,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 183 transitions, 385 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:29:59,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 249 [2023-11-29 02:29:59,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:29:59,624 INFO L124 PetriNetUnfolderBase]: 28/294 cut-off events. [2023-11-29 02:29:59,624 INFO L125 PetriNetUnfolderBase]: For 11/14 co-relation queries the response was YES. [2023-11-29 02:29:59,625 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 294 events. 28/294 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 687 event pairs, 15 based on Foata normal form. 1/284 useless extension candidates. Maximal degree in co-relation 346. Up to 47 conditions per place. [2023-11-29 02:29:59,626 INFO L140 encePairwiseOnDemand]: 247/249 looper letters, 0 selfloop transitions, 0 changer transitions 182/182 dead transitions. [2023-11-29 02:29:59,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 182 transitions, 403 flow [2023-11-29 02:29:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:29:59,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:29:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2023-11-29 02:29:59,628 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8741633199464525 [2023-11-29 02:29:59,629 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 653 transitions. [2023-11-29 02:29:59,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 653 transitions. [2023-11-29 02:29:59,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:29:59,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 653 transitions. [2023-11-29 02:29:59,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,632 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 249.0) internal successors, (996), 4 states have internal predecessors, (996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,632 INFO L175 Difference]: Start difference. First operand has 194 places, 183 transitions, 385 flow. Second operand 3 states and 653 transitions. [2023-11-29 02:29:59,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 182 transitions, 403 flow [2023-11-29 02:29:59,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 182 transitions, 396 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:29:59,635 INFO L231 Difference]: Finished difference. Result has 191 places, 0 transitions, 0 flow [2023-11-29 02:29:59,635 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=249, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=191, PETRI_TRANSITIONS=0} [2023-11-29 02:29:59,636 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -33 predicate places. [2023-11-29 02:29:59,636 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 0 transitions, 0 flow [2023-11-29 02:29:59,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:29:59,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2023-11-29 02:29:59,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2023-11-29 02:29:59,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2023-11-29 02:29:59,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2023-11-29 02:29:59,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2023-11-29 02:29:59,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2023-11-29 02:29:59,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2023-11-29 02:29:59,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2023-11-29 02:29:59,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2023-11-29 02:29:59,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2023-11-29 02:29:59,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2023-11-29 02:29:59,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2023-11-29 02:29:59,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2023-11-29 02:29:59,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2023-11-29 02:29:59,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2023-11-29 02:29:59,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2023-11-29 02:29:59,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2023-11-29 02:29:59,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2023-11-29 02:29:59,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2023-11-29 02:29:59,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2023-11-29 02:29:59,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2023-11-29 02:29:59,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2023-11-29 02:29:59,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2023-11-29 02:29:59,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2023-11-29 02:29:59,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2023-11-29 02:29:59,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2023-11-29 02:29:59,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2023-11-29 02:29:59,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 52 remaining) [2023-11-29 02:29:59,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2023-11-29 02:29:59,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2023-11-29 02:29:59,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2023-11-29 02:29:59,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2023-11-29 02:29:59,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2023-11-29 02:29:59,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2023-11-29 02:29:59,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2023-11-29 02:29:59,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2023-11-29 02:29:59,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:29:59,647 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:29:59,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:29:59,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:29:59,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:29:59 BasicIcfg [2023-11-29 02:29:59,657 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:29:59,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:29:59,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:29:59,657 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:29:59,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:29:53" (3/4) ... [2023-11-29 02:29:59,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:29:59,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:29:59,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:29:59,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:29:59,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-29 02:29:59,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:29:59,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:29:59,668 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:29:59,747 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:29:59,747 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:29:59,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:29:59,748 INFO L158 Benchmark]: Toolchain (without parser) took 7741.73ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 143.7MB in the beginning and 158.0MB in the end (delta: -14.3MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,749 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:29:59,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.46ms. Allocated memory is still 176.2MB. Free memory was 143.7MB in the beginning and 137.3MB in the end (delta: 6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.85ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 135.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,750 INFO L158 Benchmark]: Boogie Preprocessor took 49.66ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 132.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,750 INFO L158 Benchmark]: RCFGBuilder took 787.70ms. Allocated memory is still 176.2MB. Free memory was 132.3MB in the beginning and 79.1MB in the end (delta: 53.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,751 INFO L158 Benchmark]: TraceAbstraction took 6477.48ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 78.6MB in the beginning and 164.3MB in the end (delta: -85.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,751 INFO L158 Benchmark]: Witness Printer took 90.61ms. Allocated memory is still 270.5MB. Free memory was 164.3MB in the beginning and 158.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:29:59,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.46ms. Allocated memory is still 176.2MB. Free memory was 143.7MB in the beginning and 137.3MB in the end (delta: 6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.85ms. Allocated memory is still 176.2MB. Free memory was 137.3MB in the beginning and 135.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.66ms. Allocated memory is still 176.2MB. Free memory was 135.2MB in the beginning and 132.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 787.70ms. Allocated memory is still 176.2MB. Free memory was 132.3MB in the beginning and 79.1MB in the end (delta: 53.2MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6477.48ms. Allocated memory was 176.2MB in the beginning and 270.5MB in the end (delta: 94.4MB). Free memory was 78.6MB in the beginning and 164.3MB in the end (delta: -85.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 90.61ms. Allocated memory is still 270.5MB. Free memory was 164.3MB in the beginning and 158.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 62]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 291 locations, 52 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: 6.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 707 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1510 IncrementalHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 326 mSolverCounterUnsat, 31 mSDtfsCounter, 1510 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 1473 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:29:59,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46901dee-31c1-4916-a439-f1573dbe279d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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