./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/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_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/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_7675295a-e08a-4512-8a01-4db1d1921db3/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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:43:51,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:43:51,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:43:51,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:43:51,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:43:51,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:43:51,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:43:51,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:43:51,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:43:51,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:43:51,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:43:51,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:43:51,821 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:43:51,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:43:51,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:43:51,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:43:51,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:43:51,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:43:51,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:43:51,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:43:51,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:43:51,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:43:51,829 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:43:51,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:43:51,830 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:43:51,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:43:51,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:43:51,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:43:51,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:43:51,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:43:51,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:43:51,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:43:51,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:43:51,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:43:51,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:43:51,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:43:51,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:43:51,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:43:51,836 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:43:51,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:43:51,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:43:51,837 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_7675295a-e08a-4512-8a01-4db1d1921db3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2023-11-29 06:43:52,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:43:52,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:43:52,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:43:52,140 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:43:52,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:43:52,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-29 06:43:55,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:43:55,732 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:43:55,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2023-11-29 06:43:55,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/data/a5f30e416/98766e1fda0145d1813baa1f22d52f29/FLAG889b71025 [2023-11-29 06:43:55,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/data/a5f30e416/98766e1fda0145d1813baa1f22d52f29 [2023-11-29 06:43:55,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:43:55,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:43:55,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:43:55,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:43:55,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:43:55,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:43:55" (1/1) ... [2023-11-29 06:43:55,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258dc237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:55, skipping insertion in model container [2023-11-29 06:43:55,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:43:55" (1/1) ... [2023-11-29 06:43:55,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:43:56,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:43:56,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:43:56,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:43:56,092 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:43:56,092 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:43:56,101 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:43:56,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56 WrapperNode [2023-11-29 06:43:56,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:43:56,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:43:56,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:43:56,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:43:56,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,181 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 454 [2023-11-29 06:43:56,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:43:56,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:43:56,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:43:56,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:43:56,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:43:56,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:43:56,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:43:56,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:43:56,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (1/1) ... [2023-11-29 06:43:56,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:43:56,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:43:56,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:43:56,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:43:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:43:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:43:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:43:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:43:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 06:43:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 06:43:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 06:43:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 06:43:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 06:43:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 06:43:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:43:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 06:43:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 06:43:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:43:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:43:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:43:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:43:56,354 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 06:43:56,515 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:43:56,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:43:57,382 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:43:57,662 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:43:57,662 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-29 06:43:57,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:57 BoogieIcfgContainer [2023-11-29 06:43:57,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:43:57,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:43:57,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:43:57,673 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:43:57,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:43:55" (1/3) ... [2023-11-29 06:43:57,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16521c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:43:57, skipping insertion in model container [2023-11-29 06:43:57,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:56" (2/3) ... [2023-11-29 06:43:57,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16521c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:43:57, skipping insertion in model container [2023-11-29 06:43:57,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:57" (3/3) ... [2023-11-29 06:43:57,677 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2023-11-29 06:43:57,690 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:43:57,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:43:57,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-29 06:43:57,705 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:43:57,868 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 06:43:57,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 427 places, 443 transitions, 907 flow [2023-11-29 06:43:58,116 INFO L124 PetriNetUnfolderBase]: 26/440 cut-off events. [2023-11-29 06:43:58,116 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 06:43:58,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 440 events. 26/440 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 854 event pairs, 0 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2023-11-29 06:43:58,131 INFO L82 GeneralOperation]: Start removeDead. Operand has 427 places, 443 transitions, 907 flow [2023-11-29 06:43:58,145 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 402 places, 417 transitions, 852 flow [2023-11-29 06:43:58,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:43:58,166 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;@7d2ac297, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:43:58,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 82 error locations. [2023-11-29 06:43:58,172 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:43:58,172 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-29 06:43:58,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:43:58,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:43:58,174 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] [2023-11-29 06:43:58,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:43:58,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:58,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1516562233, now seen corresponding path program 1 times [2023-11-29 06:43:58,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:58,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991447438] [2023-11-29 06:43:58,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:58,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:58,447 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 06:43:58,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991447438] [2023-11-29 06:43:58,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991447438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:58,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:58,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:43:58,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175815321] [2023-11-29 06:43:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:58,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:58,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:58,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:58,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:58,549 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 443 [2023-11-29 06:43:58,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 417 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 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 06:43:58,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:43:58,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 443 [2023-11-29 06:43:58,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:43:59,051 INFO L124 PetriNetUnfolderBase]: 75/1150 cut-off events. [2023-11-29 06:43:59,052 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-29 06:43:59,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 1150 events. 75/1150 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6374 event pairs, 38 based on Foata normal form. 80/1040 useless extension candidates. Maximal degree in co-relation 726. Up to 92 conditions per place. [2023-11-29 06:43:59,072 INFO L140 encePairwiseOnDemand]: 412/443 looper letters, 16 selfloop transitions, 2 changer transitions 5/388 dead transitions. [2023-11-29 06:43:59,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 388 transitions, 830 flow [2023-11-29 06:43:59,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:59,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:43:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-29 06:43:59,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9224981188863808 [2023-11-29 06:43:59,097 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-29 06:43:59,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-29 06:43:59,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:43:59,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-29 06:43:59,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 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 06:43:59,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:43:59,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:43:59,128 INFO L175 Difference]: Start difference. First operand has 402 places, 417 transitions, 852 flow. Second operand 3 states and 1226 transitions. [2023-11-29 06:43:59,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 388 transitions, 830 flow [2023-11-29 06:43:59,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 388 transitions, 818 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 06:43:59,148 INFO L231 Difference]: Finished difference. Result has 385 places, 383 transitions, 776 flow [2023-11-29 06:43:59,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=385, PETRI_TRANSITIONS=383} [2023-11-29 06:43:59,156 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -17 predicate places. [2023-11-29 06:43:59,157 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 383 transitions, 776 flow [2023-11-29 06:43:59,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 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 06:43:59,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:43:59,159 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] [2023-11-29 06:43:59,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:43:59,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:43:59,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 500203666, now seen corresponding path program 1 times [2023-11-29 06:43:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:59,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181671274] [2023-11-29 06:43:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:59,233 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 06:43:59,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:59,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181671274] [2023-11-29 06:43:59,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181671274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:59,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:59,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:43:59,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209767620] [2023-11-29 06:43:59,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:59,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:59,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:59,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:59,275 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 443 [2023-11-29 06:43:59,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 383 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 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 06:43:59,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:43:59,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 443 [2023-11-29 06:43:59,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:43:59,605 INFO L124 PetriNetUnfolderBase]: 64/983 cut-off events. [2023-11-29 06:43:59,606 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2023-11-29 06:43:59,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1085 conditions, 983 events. 64/983 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4874 event pairs, 34 based on Foata normal form. 0/829 useless extension candidates. Maximal degree in co-relation 1053. Up to 86 conditions per place. [2023-11-29 06:43:59,618 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 16 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2023-11-29 06:43:59,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 382 transitions, 810 flow [2023-11-29 06:43:59,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:43:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:43:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1198 transitions. [2023-11-29 06:43:59,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9014296463506396 [2023-11-29 06:43:59,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1198 transitions. [2023-11-29 06:43:59,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1198 transitions. [2023-11-29 06:43:59,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:43:59,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1198 transitions. [2023-11-29 06:43:59,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 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 06:43:59,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:43:59,635 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:43:59,635 INFO L175 Difference]: Start difference. First operand has 385 places, 383 transitions, 776 flow. Second operand 3 states and 1198 transitions. [2023-11-29 06:43:59,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 382 transitions, 810 flow [2023-11-29 06:43:59,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 382 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:43:59,644 INFO L231 Difference]: Finished difference. Result has 379 places, 382 transitions, 774 flow [2023-11-29 06:43:59,645 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=379, PETRI_TRANSITIONS=382} [2023-11-29 06:43:59,646 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -23 predicate places. [2023-11-29 06:43:59,646 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 382 transitions, 774 flow [2023-11-29 06:43:59,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 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 06:43:59,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:43:59,648 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] [2023-11-29 06:43:59,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:43:59,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:43:59,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:43:59,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1655987376, now seen corresponding path program 1 times [2023-11-29 06:43:59,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:43:59,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212995962] [2023-11-29 06:43:59,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:43:59,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:43:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:43:59,719 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 06:43:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:43:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212995962] [2023-11-29 06:43:59,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212995962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:43:59,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:43:59,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:43:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146617125] [2023-11-29 06:43:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:43:59,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:43:59,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:43:59,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:43:59,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:43:59,758 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 443 [2023-11-29 06:43:59,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 382 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 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 06:43:59,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:43:59,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 443 [2023-11-29 06:43:59,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:00,129 INFO L124 PetriNetUnfolderBase]: 85/1183 cut-off events. [2023-11-29 06:44:00,129 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-29 06:44:00,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 1183 events. 85/1183 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6829 event pairs, 56 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1275. Up to 113 conditions per place. [2023-11-29 06:44:00,149 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 16 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2023-11-29 06:44:00,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 381 transitions, 808 flow [2023-11-29 06:44:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:00,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1198 transitions. [2023-11-29 06:44:00,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9014296463506396 [2023-11-29 06:44:00,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1198 transitions. [2023-11-29 06:44:00,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1198 transitions. [2023-11-29 06:44:00,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:00,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1198 transitions. [2023-11-29 06:44:00,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 0 states have call successors, (0), 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 06:44:00,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:00,171 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:00,171 INFO L175 Difference]: Start difference. First operand has 379 places, 382 transitions, 774 flow. Second operand 3 states and 1198 transitions. [2023-11-29 06:44:00,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 381 transitions, 808 flow [2023-11-29 06:44:00,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 381 transitions, 804 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:44:00,185 INFO L231 Difference]: Finished difference. Result has 378 places, 381 transitions, 772 flow [2023-11-29 06:44:00,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=378, PETRI_TRANSITIONS=381} [2023-11-29 06:44:00,187 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -24 predicate places. [2023-11-29 06:44:00,187 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 381 transitions, 772 flow [2023-11-29 06:44:00,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.3333333333333) internal successors, (1183), 3 states have internal predecessors, (1183), 0 states have call successors, (0), 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 06:44:00,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:00,189 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] [2023-11-29 06:44:00,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:44:00,190 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:00,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:00,191 INFO L85 PathProgramCache]: Analyzing trace with hash -9997573, now seen corresponding path program 1 times [2023-11-29 06:44:00,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:00,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918734115] [2023-11-29 06:44:00,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:00,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:00,253 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 06:44:00,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:00,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918734115] [2023-11-29 06:44:00,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918734115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:00,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:00,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:00,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915965510] [2023-11-29 06:44:00,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:00,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:00,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:00,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:00,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:00,282 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 443 [2023-11-29 06:44:00,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 381 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 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 06:44:00,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:00,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 443 [2023-11-29 06:44:00,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:00,673 INFO L124 PetriNetUnfolderBase]: 102/1248 cut-off events. [2023-11-29 06:44:00,673 INFO L125 PetriNetUnfolderBase]: For 13/19 co-relation queries the response was YES. [2023-11-29 06:44:00,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1403 conditions, 1248 events. 102/1248 cut-off events. For 13/19 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7180 event pairs, 59 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 1355. Up to 136 conditions per place. [2023-11-29 06:44:00,691 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 17 selfloop transitions, 1 changer transitions 0/377 dead transitions. [2023-11-29 06:44:00,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 377 transitions, 800 flow [2023-11-29 06:44:00,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1195 transitions. [2023-11-29 06:44:00,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8991723100075244 [2023-11-29 06:44:00,697 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1195 transitions. [2023-11-29 06:44:00,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1195 transitions. [2023-11-29 06:44:00,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:00,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1195 transitions. [2023-11-29 06:44:00,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 06:44:00,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:00,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:00,711 INFO L175 Difference]: Start difference. First operand has 378 places, 381 transitions, 772 flow. Second operand 3 states and 1195 transitions. [2023-11-29 06:44:00,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 377 transitions, 800 flow [2023-11-29 06:44:00,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 377 transitions, 796 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:44:00,723 INFO L231 Difference]: Finished difference. Result has 374 places, 377 transitions, 762 flow [2023-11-29 06:44:00,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=374, PETRI_TRANSITIONS=377} [2023-11-29 06:44:00,725 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -28 predicate places. [2023-11-29 06:44:00,726 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 377 transitions, 762 flow [2023-11-29 06:44:00,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 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 06:44:00,728 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:00,728 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 06:44:00,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:44:00,728 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:00,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:00,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2071395686, now seen corresponding path program 1 times [2023-11-29 06:44:00,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:00,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142173388] [2023-11-29 06:44:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:00,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:01,389 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 06:44:01,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:01,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142173388] [2023-11-29 06:44:01,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142173388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:01,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:01,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:01,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233555898] [2023-11-29 06:44:01,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:01,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:01,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:01,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:01,871 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 443 [2023-11-29 06:44:01,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 377 transitions, 762 flow. Second operand has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 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 06:44:01,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:01,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 443 [2023-11-29 06:44:01,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:12,601 INFO L124 PetriNetUnfolderBase]: 17001/56860 cut-off events. [2023-11-29 06:44:12,602 INFO L125 PetriNetUnfolderBase]: For 222/225 co-relation queries the response was YES. [2023-11-29 06:44:12,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79409 conditions, 56860 events. 17001/56860 cut-off events. For 222/225 co-relation queries the response was YES. Maximal size of possible extension queue 1367. Compared 758394 event pairs, 13635 based on Foata normal form. 0/48172 useless extension candidates. Maximal degree in co-relation 79362. Up to 22425 conditions per place. [2023-11-29 06:44:13,073 INFO L140 encePairwiseOnDemand]: 431/443 looper letters, 61 selfloop transitions, 10 changer transitions 0/375 dead transitions. [2023-11-29 06:44:13,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 375 transitions, 900 flow [2023-11-29 06:44:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:13,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2113 transitions. [2023-11-29 06:44:13,081 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7949586155003763 [2023-11-29 06:44:13,081 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2113 transitions. [2023-11-29 06:44:13,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2113 transitions. [2023-11-29 06:44:13,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:13,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2113 transitions. [2023-11-29 06:44:13,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 352.1666666666667) internal successors, (2113), 6 states have internal predecessors, (2113), 0 states have call successors, (0), 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 06:44:13,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:13,098 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:13,098 INFO L175 Difference]: Start difference. First operand has 374 places, 377 transitions, 762 flow. Second operand 6 states and 2113 transitions. [2023-11-29 06:44:13,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 375 transitions, 900 flow [2023-11-29 06:44:13,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 375 transitions, 899 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:44:13,106 INFO L231 Difference]: Finished difference. Result has 376 places, 375 transitions, 777 flow [2023-11-29 06:44:13,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=777, PETRI_PLACES=376, PETRI_TRANSITIONS=375} [2023-11-29 06:44:13,108 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -26 predicate places. [2023-11-29 06:44:13,108 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 375 transitions, 777 flow [2023-11-29 06:44:13,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 0 states have call successors, (0), 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 06:44:13,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:13,111 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 06:44:13,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:44:13,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:13,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:13,112 INFO L85 PathProgramCache]: Analyzing trace with hash 441087456, now seen corresponding path program 1 times [2023-11-29 06:44:13,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:13,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113550053] [2023-11-29 06:44:13,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:13,168 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 06:44:13,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:13,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113550053] [2023-11-29 06:44:13,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113550053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:13,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:13,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164407048] [2023-11-29 06:44:13,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:13,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:13,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:13,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:13,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:13,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 443 [2023-11-29 06:44:13,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 375 transitions, 777 flow. Second operand has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 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 06:44:13,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:13,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 443 [2023-11-29 06:44:13,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:13,557 INFO L124 PetriNetUnfolderBase]: 191/1967 cut-off events. [2023-11-29 06:44:13,557 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-11-29 06:44:13,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2253 conditions, 1967 events. 191/1967 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 14569 event pairs, 135 based on Foata normal form. 0/1694 useless extension candidates. Maximal degree in co-relation 2220. Up to 250 conditions per place. [2023-11-29 06:44:13,575 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 18 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2023-11-29 06:44:13,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 374 transitions, 815 flow [2023-11-29 06:44:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1194 transitions. [2023-11-29 06:44:13,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8984198645598194 [2023-11-29 06:44:13,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1194 transitions. [2023-11-29 06:44:13,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1194 transitions. [2023-11-29 06:44:13,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:13,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1194 transitions. [2023-11-29 06:44:13,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 0 states have call successors, (0), 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 06:44:13,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:13,593 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:13,593 INFO L175 Difference]: Start difference. First operand has 376 places, 375 transitions, 777 flow. Second operand 3 states and 1194 transitions. [2023-11-29 06:44:13,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 374 transitions, 815 flow [2023-11-29 06:44:13,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 374 transitions, 795 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:44:13,603 INFO L231 Difference]: Finished difference. Result has 372 places, 374 transitions, 759 flow [2023-11-29 06:44:13,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=759, PETRI_PLACES=372, PETRI_TRANSITIONS=374} [2023-11-29 06:44:13,605 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -30 predicate places. [2023-11-29 06:44:13,606 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 374 transitions, 759 flow [2023-11-29 06:44:13,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.3333333333333) internal successors, (1177), 3 states have internal predecessors, (1177), 0 states have call successors, (0), 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 06:44:13,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:13,607 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 06:44:13,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:44:13,608 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:13,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1679069842, now seen corresponding path program 1 times [2023-11-29 06:44:13,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:13,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043679965] [2023-11-29 06:44:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:13,656 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 06:44:13,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:13,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043679965] [2023-11-29 06:44:13,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043679965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:13,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:13,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:13,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521043282] [2023-11-29 06:44:13,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:13,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:13,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:13,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 443 [2023-11-29 06:44:13,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 374 transitions, 759 flow. Second operand has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 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 06:44:13,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:13,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 443 [2023-11-29 06:44:13,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:14,151 INFO L124 PetriNetUnfolderBase]: 266/2570 cut-off events. [2023-11-29 06:44:14,151 INFO L125 PetriNetUnfolderBase]: For 42/45 co-relation queries the response was YES. [2023-11-29 06:44:14,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2920 conditions, 2570 events. 266/2570 cut-off events. For 42/45 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 20034 event pairs, 135 based on Foata normal form. 0/2186 useless extension candidates. Maximal degree in co-relation 2872. Up to 322 conditions per place. [2023-11-29 06:44:14,176 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 17 selfloop transitions, 1 changer transitions 0/370 dead transitions. [2023-11-29 06:44:14,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 370 transitions, 787 flow [2023-11-29 06:44:14,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1195 transitions. [2023-11-29 06:44:14,183 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8991723100075244 [2023-11-29 06:44:14,183 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1195 transitions. [2023-11-29 06:44:14,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1195 transitions. [2023-11-29 06:44:14,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:14,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1195 transitions. [2023-11-29 06:44:14,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 06:44:14,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:14,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:14,194 INFO L175 Difference]: Start difference. First operand has 372 places, 374 transitions, 759 flow. Second operand 3 states and 1195 transitions. [2023-11-29 06:44:14,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 370 transitions, 787 flow [2023-11-29 06:44:14,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 783 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:44:14,204 INFO L231 Difference]: Finished difference. Result has 368 places, 370 transitions, 749 flow [2023-11-29 06:44:14,205 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=749, PETRI_PLACES=368, PETRI_TRANSITIONS=370} [2023-11-29 06:44:14,205 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -34 predicate places. [2023-11-29 06:44:14,205 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 370 transitions, 749 flow [2023-11-29 06:44:14,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 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 06:44:14,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:14,206 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] [2023-11-29 06:44:14,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:44:14,207 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:14,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:14,208 INFO L85 PathProgramCache]: Analyzing trace with hash -15930211, now seen corresponding path program 1 times [2023-11-29 06:44:14,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:14,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138741171] [2023-11-29 06:44:14,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:14,265 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 06:44:14,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:14,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138741171] [2023-11-29 06:44:14,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138741171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:14,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:14,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:14,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995220491] [2023-11-29 06:44:14,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:14,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:14,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:14,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:14,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:14,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 443 [2023-11-29 06:44:14,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 370 transitions, 749 flow. Second operand has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 06:44:14,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:14,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 443 [2023-11-29 06:44:14,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:14,561 INFO L124 PetriNetUnfolderBase]: 32/674 cut-off events. [2023-11-29 06:44:14,561 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 06:44:14,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 674 events. 32/674 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2521 event pairs, 15 based on Foata normal form. 0/595 useless extension candidates. Maximal degree in co-relation 679. Up to 40 conditions per place. [2023-11-29 06:44:14,568 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 12 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2023-11-29 06:44:14,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 369 transitions, 775 flow [2023-11-29 06:44:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2023-11-29 06:44:14,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.90744920993228 [2023-11-29 06:44:14,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2023-11-29 06:44:14,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2023-11-29 06:44:14,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:14,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2023-11-29 06:44:14,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 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 06:44:14,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:14,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:14,586 INFO L175 Difference]: Start difference. First operand has 368 places, 370 transitions, 749 flow. Second operand 3 states and 1206 transitions. [2023-11-29 06:44:14,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 369 transitions, 775 flow [2023-11-29 06:44:14,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 369 transitions, 774 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:44:14,595 INFO L231 Difference]: Finished difference. Result has 368 places, 369 transitions, 750 flow [2023-11-29 06:44:14,596 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=750, PETRI_PLACES=368, PETRI_TRANSITIONS=369} [2023-11-29 06:44:14,597 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -34 predicate places. [2023-11-29 06:44:14,597 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 369 transitions, 750 flow [2023-11-29 06:44:14,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 06:44:14,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:14,599 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] [2023-11-29 06:44:14,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:44:14,599 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:14,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:14,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1591130103, now seen corresponding path program 1 times [2023-11-29 06:44:14,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653533458] [2023-11-29 06:44:14,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:14,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:14,657 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 06:44:14,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:14,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653533458] [2023-11-29 06:44:14,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653533458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:14,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:14,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:14,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454862155] [2023-11-29 06:44:14,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:14,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:14,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:14,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:14,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:14,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 443 [2023-11-29 06:44:14,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 369 transitions, 750 flow. Second operand has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 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 06:44:14,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:14,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 443 [2023-11-29 06:44:14,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:15,014 INFO L124 PetriNetUnfolderBase]: 123/1397 cut-off events. [2023-11-29 06:44:15,014 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-29 06:44:15,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1566 conditions, 1397 events. 123/1397 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8846 event pairs, 71 based on Foata normal form. 0/1208 useless extension candidates. Maximal degree in co-relation 1518. Up to 150 conditions per place. [2023-11-29 06:44:15,033 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 17 selfloop transitions, 1 changer transitions 0/365 dead transitions. [2023-11-29 06:44:15,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 365 transitions, 778 flow [2023-11-29 06:44:15,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1195 transitions. [2023-11-29 06:44:15,039 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8991723100075244 [2023-11-29 06:44:15,040 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1195 transitions. [2023-11-29 06:44:15,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1195 transitions. [2023-11-29 06:44:15,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:15,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1195 transitions. [2023-11-29 06:44:15,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 398.3333333333333) internal successors, (1195), 3 states have internal predecessors, (1195), 0 states have call successors, (0), 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 06:44:15,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:15,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:15,052 INFO L175 Difference]: Start difference. First operand has 368 places, 369 transitions, 750 flow. Second operand 3 states and 1195 transitions. [2023-11-29 06:44:15,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 365 transitions, 778 flow [2023-11-29 06:44:15,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 365 transitions, 774 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:44:15,063 INFO L231 Difference]: Finished difference. Result has 364 places, 365 transitions, 740 flow [2023-11-29 06:44:15,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=364, PETRI_TRANSITIONS=365} [2023-11-29 06:44:15,065 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -38 predicate places. [2023-11-29 06:44:15,066 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 365 transitions, 740 flow [2023-11-29 06:44:15,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 392.0) internal successors, (1176), 3 states have internal predecessors, (1176), 0 states have call successors, (0), 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 06:44:15,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:15,068 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] [2023-11-29 06:44:15,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:44:15,068 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:15,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:15,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1529041813, now seen corresponding path program 1 times [2023-11-29 06:44:15,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:15,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141082474] [2023-11-29 06:44:15,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:15,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:15,137 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 06:44:15,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:15,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141082474] [2023-11-29 06:44:15,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141082474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:15,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:15,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:15,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318932542] [2023-11-29 06:44:15,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:15,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:15,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:15,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:15,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:15,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 443 [2023-11-29 06:44:15,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 365 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 0 states have call successors, (0), 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 06:44:15,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:15,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 443 [2023-11-29 06:44:15,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:15,992 INFO L124 PetriNetUnfolderBase]: 771/4461 cut-off events. [2023-11-29 06:44:15,992 INFO L125 PetriNetUnfolderBase]: For 88/90 co-relation queries the response was YES. [2023-11-29 06:44:16,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5544 conditions, 4461 events. 771/4461 cut-off events. For 88/90 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 40418 event pairs, 362 based on Foata normal form. 0/3935 useless extension candidates. Maximal degree in co-relation 5497. Up to 1027 conditions per place. [2023-11-29 06:44:16,022 INFO L140 encePairwiseOnDemand]: 434/443 looper letters, 27 selfloop transitions, 3 changer transitions 0/367 dead transitions. [2023-11-29 06:44:16,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 367 transitions, 809 flow [2023-11-29 06:44:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1191 transitions. [2023-11-29 06:44:16,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8961625282167043 [2023-11-29 06:44:16,028 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1191 transitions. [2023-11-29 06:44:16,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1191 transitions. [2023-11-29 06:44:16,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:16,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1191 transitions. [2023-11-29 06:44:16,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 0 states have call successors, (0), 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 06:44:16,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:16,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:16,038 INFO L175 Difference]: Start difference. First operand has 364 places, 365 transitions, 740 flow. Second operand 3 states and 1191 transitions. [2023-11-29 06:44:16,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 367 transitions, 809 flow [2023-11-29 06:44:16,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 367 transitions, 808 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:44:16,049 INFO L231 Difference]: Finished difference. Result has 360 places, 362 transitions, 748 flow [2023-11-29 06:44:16,050 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=360, PETRI_TRANSITIONS=362} [2023-11-29 06:44:16,050 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -42 predicate places. [2023-11-29 06:44:16,051 INFO L495 AbstractCegarLoop]: Abstraction has has 360 places, 362 transitions, 748 flow [2023-11-29 06:44:16,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 0 states have call successors, (0), 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 06:44:16,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:16,052 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] [2023-11-29 06:44:16,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:44:16,052 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:16,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -257882599, now seen corresponding path program 1 times [2023-11-29 06:44:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:16,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611219936] [2023-11-29 06:44:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:16,268 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 06:44:16,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:16,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611219936] [2023-11-29 06:44:16,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611219936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:16,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:16,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:44:16,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405837320] [2023-11-29 06:44:16,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:16,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:44:16,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:16,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:44:16,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:44:16,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 443 [2023-11-29 06:44:16,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 362 transitions, 748 flow. Second operand has 7 states, 7 states have (on average 383.0) internal successors, (2681), 7 states have internal predecessors, (2681), 0 states have call successors, (0), 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 06:44:16,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:16,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 443 [2023-11-29 06:44:16,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:17,261 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1500] thread3EXIT-->L104-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][388], [474#true, 444#(= |#race~N~0| 0), 471#(= |#race~A~0| 0), Black: 469#true, 467#(= |#race~M~0| 0), 459#(= |#race~size~0| 0), 393#L104-7true]) [2023-11-29 06:44:17,261 INFO L294 olderBase$Statistics]: this new event has 308 ancestors and is cut-off event [2023-11-29 06:44:17,261 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is cut-off event [2023-11-29 06:44:17,261 INFO L297 olderBase$Statistics]: existing Event has 273 ancestors and is cut-off event [2023-11-29 06:44:17,261 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is cut-off event [2023-11-29 06:44:17,264 INFO L124 PetriNetUnfolderBase]: 193/2053 cut-off events. [2023-11-29 06:44:17,264 INFO L125 PetriNetUnfolderBase]: For 34/64 co-relation queries the response was YES. [2023-11-29 06:44:17,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2433 conditions, 2053 events. 193/2053 cut-off events. For 34/64 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 14157 event pairs, 84 based on Foata normal form. 11/1860 useless extension candidates. Maximal degree in co-relation 2384. Up to 187 conditions per place. [2023-11-29 06:44:17,282 INFO L140 encePairwiseOnDemand]: 430/443 looper letters, 47 selfloop transitions, 14 changer transitions 0/390 dead transitions. [2023-11-29 06:44:17,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 390 transitions, 934 flow [2023-11-29 06:44:17,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:44:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:44:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3862 transitions. [2023-11-29 06:44:17,301 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.871783295711061 [2023-11-29 06:44:17,301 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3862 transitions. [2023-11-29 06:44:17,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3862 transitions. [2023-11-29 06:44:17,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:17,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3862 transitions. [2023-11-29 06:44:17,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 386.2) internal successors, (3862), 10 states have internal predecessors, (3862), 0 states have call successors, (0), 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 06:44:17,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 443.0) internal successors, (4873), 11 states have internal predecessors, (4873), 0 states have call successors, (0), 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 06:44:17,337 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 443.0) internal successors, (4873), 11 states have internal predecessors, (4873), 0 states have call successors, (0), 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 06:44:17,338 INFO L175 Difference]: Start difference. First operand has 360 places, 362 transitions, 748 flow. Second operand 10 states and 3862 transitions. [2023-11-29 06:44:17,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 390 transitions, 934 flow [2023-11-29 06:44:17,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 390 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:44:17,351 INFO L231 Difference]: Finished difference. Result has 373 places, 369 transitions, 814 flow [2023-11-29 06:44:17,352 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=814, PETRI_PLACES=373, PETRI_TRANSITIONS=369} [2023-11-29 06:44:17,353 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -29 predicate places. [2023-11-29 06:44:17,353 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 369 transitions, 814 flow [2023-11-29 06:44:17,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 383.0) internal successors, (2681), 7 states have internal predecessors, (2681), 0 states have call successors, (0), 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 06:44:17,355 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:17,355 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] [2023-11-29 06:44:17,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:44:17,355 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:17,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash -895141501, now seen corresponding path program 1 times [2023-11-29 06:44:17,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:17,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919141832] [2023-11-29 06:44:17,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:17,568 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 06:44:17,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:17,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919141832] [2023-11-29 06:44:17,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919141832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:17,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:17,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:17,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65584222] [2023-11-29 06:44:17,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:17,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:44:17,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:17,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:44:17,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:44:17,665 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 391 out of 443 [2023-11-29 06:44:17,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 369 transitions, 814 flow. Second operand has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 0 states have call successors, (0), 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 06:44:17,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:17,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 391 of 443 [2023-11-29 06:44:17,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:18,490 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1500] thread3EXIT-->L104-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][374], [474#true, 444#(= |#race~N~0| 0), 471#(= |#race~A~0| 0), Black: 469#true, 467#(= |#race~M~0| 0), 459#(= |#race~size~0| 0), Black: 486#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 479#(<= ~N~0 0), 393#L104-7true, 499#(<= (+ ~M~0 1) 0), Black: 480#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 484#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|))]) [2023-11-29 06:44:18,490 INFO L294 olderBase$Statistics]: this new event has 238 ancestors and is not cut-off event [2023-11-29 06:44:18,490 INFO L297 olderBase$Statistics]: existing Event has 273 ancestors and is not cut-off event [2023-11-29 06:44:18,490 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is not cut-off event [2023-11-29 06:44:18,490 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is not cut-off event [2023-11-29 06:44:18,632 INFO L124 PetriNetUnfolderBase]: 369/3481 cut-off events. [2023-11-29 06:44:18,632 INFO L125 PetriNetUnfolderBase]: For 119/164 co-relation queries the response was YES. [2023-11-29 06:44:18,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4174 conditions, 3481 events. 369/3481 cut-off events. For 119/164 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 27954 event pairs, 118 based on Foata normal form. 18/3113 useless extension candidates. Maximal degree in co-relation 4116. Up to 327 conditions per place. [2023-11-29 06:44:18,670 INFO L140 encePairwiseOnDemand]: 437/443 looper letters, 31 selfloop transitions, 5 changer transitions 0/384 dead transitions. [2023-11-29 06:44:18,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 384 transitions, 924 flow [2023-11-29 06:44:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:44:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:44:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1992 transitions. [2023-11-29 06:44:18,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8993227990970655 [2023-11-29 06:44:18,680 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1992 transitions. [2023-11-29 06:44:18,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1992 transitions. [2023-11-29 06:44:18,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:18,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1992 transitions. [2023-11-29 06:44:18,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 398.4) internal successors, (1992), 5 states have internal predecessors, (1992), 0 states have call successors, (0), 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 06:44:18,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 443.0) internal successors, (2658), 6 states have internal predecessors, (2658), 0 states have call successors, (0), 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 06:44:18,697 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 443.0) internal successors, (2658), 6 states have internal predecessors, (2658), 0 states have call successors, (0), 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 06:44:18,697 INFO L175 Difference]: Start difference. First operand has 373 places, 369 transitions, 814 flow. Second operand 5 states and 1992 transitions. [2023-11-29 06:44:18,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 384 transitions, 924 flow [2023-11-29 06:44:18,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 384 transitions, 920 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:44:18,712 INFO L231 Difference]: Finished difference. Result has 378 places, 371 transitions, 835 flow [2023-11-29 06:44:18,713 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=835, PETRI_PLACES=378, PETRI_TRANSITIONS=371} [2023-11-29 06:44:18,713 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -24 predicate places. [2023-11-29 06:44:18,714 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 371 transitions, 835 flow [2023-11-29 06:44:18,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 393.0) internal successors, (1965), 5 states have internal predecessors, (1965), 0 states have call successors, (0), 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 06:44:18,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:18,715 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] [2023-11-29 06:44:18,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:44:18,716 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:18,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:18,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1314186145, now seen corresponding path program 1 times [2023-11-29 06:44:18,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:18,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101519815] [2023-11-29 06:44:18,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:18,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:19,625 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 06:44:19,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:19,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101519815] [2023-11-29 06:44:19,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101519815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:19,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:19,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:19,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409279181] [2023-11-29 06:44:19,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:19,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:19,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:20,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 443 [2023-11-29 06:44:20,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 371 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 387.6666666666667) internal successors, (2326), 6 states have internal predecessors, (2326), 0 states have call successors, (0), 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 06:44:20,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:20,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 443 [2023-11-29 06:44:20,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:21,106 INFO L124 PetriNetUnfolderBase]: 321/2346 cut-off events. [2023-11-29 06:44:21,106 INFO L125 PetriNetUnfolderBase]: For 56/233 co-relation queries the response was YES. [2023-11-29 06:44:21,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3013 conditions, 2346 events. 321/2346 cut-off events. For 56/233 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 17467 event pairs, 21 based on Foata normal form. 55/2180 useless extension candidates. Maximal degree in co-relation 2955. Up to 212 conditions per place. [2023-11-29 06:44:21,134 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 32 selfloop transitions, 4 changer transitions 0/382 dead transitions. [2023-11-29 06:44:21,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 382 transitions, 929 flow [2023-11-29 06:44:21,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2353 transitions. [2023-11-29 06:44:21,142 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8852520692249812 [2023-11-29 06:44:21,142 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2353 transitions. [2023-11-29 06:44:21,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2353 transitions. [2023-11-29 06:44:21,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:21,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2353 transitions. [2023-11-29 06:44:21,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 0 states have call successors, (0), 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 06:44:21,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:21,156 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:21,157 INFO L175 Difference]: Start difference. First operand has 378 places, 371 transitions, 835 flow. Second operand 6 states and 2353 transitions. [2023-11-29 06:44:21,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 382 transitions, 929 flow [2023-11-29 06:44:21,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 382 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:44:21,167 INFO L231 Difference]: Finished difference. Result has 380 places, 370 transitions, 836 flow [2023-11-29 06:44:21,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=836, PETRI_PLACES=380, PETRI_TRANSITIONS=370} [2023-11-29 06:44:21,168 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -22 predicate places. [2023-11-29 06:44:21,168 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 370 transitions, 836 flow [2023-11-29 06:44:21,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 387.6666666666667) internal successors, (2326), 6 states have internal predecessors, (2326), 0 states have call successors, (0), 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 06:44:21,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:21,170 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] [2023-11-29 06:44:21,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:44:21,170 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:21,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1569780698, now seen corresponding path program 1 times [2023-11-29 06:44:21,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:21,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764412973] [2023-11-29 06:44:21,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:21,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:21,907 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 06:44:21,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:21,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764412973] [2023-11-29 06:44:21,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764412973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:21,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:21,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:21,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787166725] [2023-11-29 06:44:21,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:21,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:21,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:21,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:22,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 443 [2023-11-29 06:44:22,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 370 transitions, 836 flow. Second operand has 6 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 0 states have call successors, (0), 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 06:44:22,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:22,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 443 [2023-11-29 06:44:22,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:23,776 INFO L124 PetriNetUnfolderBase]: 511/3092 cut-off events. [2023-11-29 06:44:23,776 INFO L125 PetriNetUnfolderBase]: For 315/355 co-relation queries the response was YES. [2023-11-29 06:44:23,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4216 conditions, 3092 events. 511/3092 cut-off events. For 315/355 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 25151 event pairs, 110 based on Foata normal form. 0/2740 useless extension candidates. Maximal degree in co-relation 4159. Up to 332 conditions per place. [2023-11-29 06:44:23,811 INFO L140 encePairwiseOnDemand]: 436/443 looper letters, 45 selfloop transitions, 5 changer transitions 0/384 dead transitions. [2023-11-29 06:44:23,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 384 transitions, 972 flow [2023-11-29 06:44:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2023-11-29 06:44:23,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8743416102332581 [2023-11-29 06:44:23,819 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2324 transitions. [2023-11-29 06:44:23,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2324 transitions. [2023-11-29 06:44:23,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:23,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2324 transitions. [2023-11-29 06:44:23,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 387.3333333333333) internal successors, (2324), 6 states have internal predecessors, (2324), 0 states have call successors, (0), 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 06:44:23,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:23,833 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:23,833 INFO L175 Difference]: Start difference. First operand has 380 places, 370 transitions, 836 flow. Second operand 6 states and 2324 transitions. [2023-11-29 06:44:23,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 384 transitions, 972 flow [2023-11-29 06:44:23,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 384 transitions, 965 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:44:23,843 INFO L231 Difference]: Finished difference. Result has 379 places, 368 transitions, 835 flow [2023-11-29 06:44:23,844 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=835, PETRI_PLACES=379, PETRI_TRANSITIONS=368} [2023-11-29 06:44:23,845 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -23 predicate places. [2023-11-29 06:44:23,845 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 368 transitions, 835 flow [2023-11-29 06:44:23,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 0 states have call successors, (0), 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 06:44:23,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:23,847 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] [2023-11-29 06:44:23,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:44:23,847 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:23,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:23,848 INFO L85 PathProgramCache]: Analyzing trace with hash 286456171, now seen corresponding path program 1 times [2023-11-29 06:44:23,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:23,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167759493] [2023-11-29 06:44:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:24,599 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 06:44:24,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:24,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167759493] [2023-11-29 06:44:24,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167759493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:24,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:24,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:24,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435558521] [2023-11-29 06:44:24,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:24,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:24,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:24,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:24,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:25,261 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 443 [2023-11-29 06:44:25,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 368 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 380.8333333333333) internal successors, (2285), 6 states have internal predecessors, (2285), 0 states have call successors, (0), 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 06:44:25,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:25,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 443 [2023-11-29 06:44:25,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:26,408 INFO L124 PetriNetUnfolderBase]: 652/3560 cut-off events. [2023-11-29 06:44:26,408 INFO L125 PetriNetUnfolderBase]: For 339/378 co-relation queries the response was YES. [2023-11-29 06:44:26,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4836 conditions, 3560 events. 652/3560 cut-off events. For 339/378 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 29990 event pairs, 128 based on Foata normal form. 0/3239 useless extension candidates. Maximal degree in co-relation 4779. Up to 497 conditions per place. [2023-11-29 06:44:26,445 INFO L140 encePairwiseOnDemand]: 436/443 looper letters, 43 selfloop transitions, 5 changer transitions 0/382 dead transitions. [2023-11-29 06:44:26,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 382 transitions, 967 flow [2023-11-29 06:44:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2023-11-29 06:44:26,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8743416102332581 [2023-11-29 06:44:26,453 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2324 transitions. [2023-11-29 06:44:26,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2324 transitions. [2023-11-29 06:44:26,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:26,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2324 transitions. [2023-11-29 06:44:26,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 387.3333333333333) internal successors, (2324), 6 states have internal predecessors, (2324), 0 states have call successors, (0), 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 06:44:26,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:26,466 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:26,467 INFO L175 Difference]: Start difference. First operand has 379 places, 368 transitions, 835 flow. Second operand 6 states and 2324 transitions. [2023-11-29 06:44:26,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 382 transitions, 967 flow [2023-11-29 06:44:26,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 382 transitions, 957 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:44:26,477 INFO L231 Difference]: Finished difference. Result has 377 places, 366 transitions, 831 flow [2023-11-29 06:44:26,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=377, PETRI_TRANSITIONS=366} [2023-11-29 06:44:26,478 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -25 predicate places. [2023-11-29 06:44:26,478 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 366 transitions, 831 flow [2023-11-29 06:44:26,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.8333333333333) internal successors, (2285), 6 states have internal predecessors, (2285), 0 states have call successors, (0), 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 06:44:26,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:26,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:26,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:44:26,480 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:26,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:26,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1581749377, now seen corresponding path program 1 times [2023-11-29 06:44:26,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:26,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71853907] [2023-11-29 06:44:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:26,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:44:27,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:27,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71853907] [2023-11-29 06:44:27,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71853907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:27,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:27,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:27,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966564103] [2023-11-29 06:44:27,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:27,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:27,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:27,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:27,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:27,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 379 out of 443 [2023-11-29 06:44:27,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 366 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 0 states have call successors, (0), 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 06:44:27,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:27,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 379 of 443 [2023-11-29 06:44:27,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:28,790 INFO L124 PetriNetUnfolderBase]: 350/2666 cut-off events. [2023-11-29 06:44:28,790 INFO L125 PetriNetUnfolderBase]: For 166/255 co-relation queries the response was YES. [2023-11-29 06:44:28,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3705 conditions, 2666 events. 350/2666 cut-off events. For 166/255 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 21881 event pairs, 91 based on Foata normal form. 12/2483 useless extension candidates. Maximal degree in co-relation 3648. Up to 278 conditions per place. [2023-11-29 06:44:28,815 INFO L140 encePairwiseOnDemand]: 436/443 looper letters, 45 selfloop transitions, 5 changer transitions 0/380 dead transitions. [2023-11-29 06:44:28,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 380 transitions, 967 flow [2023-11-29 06:44:28,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2324 transitions. [2023-11-29 06:44:28,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8743416102332581 [2023-11-29 06:44:28,823 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2324 transitions. [2023-11-29 06:44:28,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2324 transitions. [2023-11-29 06:44:28,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:28,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2324 transitions. [2023-11-29 06:44:28,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 387.3333333333333) internal successors, (2324), 6 states have internal predecessors, (2324), 0 states have call successors, (0), 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 06:44:28,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:28,838 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:28,839 INFO L175 Difference]: Start difference. First operand has 377 places, 366 transitions, 831 flow. Second operand 6 states and 2324 transitions. [2023-11-29 06:44:28,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 380 transitions, 967 flow [2023-11-29 06:44:28,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 380 transitions, 957 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:44:28,853 INFO L231 Difference]: Finished difference. Result has 375 places, 364 transitions, 827 flow [2023-11-29 06:44:28,854 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=827, PETRI_PLACES=375, PETRI_TRANSITIONS=364} [2023-11-29 06:44:28,854 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -27 predicate places. [2023-11-29 06:44:28,855 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 364 transitions, 827 flow [2023-11-29 06:44:28,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.1666666666667) internal successors, (2287), 6 states have internal predecessors, (2287), 0 states have call successors, (0), 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 06:44:28,855 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:28,856 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, 1, 1, 1] [2023-11-29 06:44:28,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:44:28,856 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:28,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:28,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1183312291, now seen corresponding path program 1 times [2023-11-29 06:44:28,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:28,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536298594] [2023-11-29 06:44:28,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:28,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:29,796 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 06:44:29,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:29,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536298594] [2023-11-29 06:44:29,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536298594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:29,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:29,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:29,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051430863] [2023-11-29 06:44:29,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:29,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:29,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:29,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:29,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:30,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 443 [2023-11-29 06:44:30,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 364 transitions, 827 flow. Second operand has 6 states, 6 states have (on average 387.8333333333333) internal successors, (2327), 6 states have internal predecessors, (2327), 0 states have call successors, (0), 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 06:44:30,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:30,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 443 [2023-11-29 06:44:30,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:31,038 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1500] thread3EXIT-->L104-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][364], [479#(<= ~N~0 0), 467#(= |#race~M~0| 0), Black: 486#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 459#(= |#race~size~0| 0), Black: 480#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 484#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 537#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 525#true, Black: 500#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), Black: 499#(<= (+ ~M~0 1) 0), 444#(= |#race~N~0| 0), 509#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~A~0| 0), Black: 469#true, 393#L104-7true]) [2023-11-29 06:44:31,038 INFO L294 olderBase$Statistics]: this new event has 228 ancestors and is not cut-off event [2023-11-29 06:44:31,038 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is not cut-off event [2023-11-29 06:44:31,038 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is not cut-off event [2023-11-29 06:44:31,038 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is not cut-off event [2023-11-29 06:44:31,125 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1499] thread2EXIT-->L103-7: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem40#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork0_thidvar0_4) (= v_thread2Thread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem40#1=|v_ULTIMATE.start_main_#t~mem40#1_6|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem40#1=|v_ULTIMATE.start_main_#t~mem40#1_6|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_4, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_4, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][288], [467#(= |#race~M~0| 0), Black: 486#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 459#(= |#race~size~0| 0), Black: 479#(<= ~N~0 0), Black: 480#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 484#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 537#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 525#true, Black: 500#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 444#(= |#race~N~0| 0), Black: 499#(<= (+ ~M~0 1) 0), 509#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 471#(= |#race~A~0| 0), Black: 469#true, 257#$Ultimate##0true, 285#L103-7true]) [2023-11-29 06:44:31,125 INFO L294 olderBase$Statistics]: this new event has 239 ancestors and is cut-off event [2023-11-29 06:44:31,125 INFO L297 olderBase$Statistics]: existing Event has 260 ancestors and is cut-off event [2023-11-29 06:44:31,125 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2023-11-29 06:44:31,126 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2023-11-29 06:44:31,134 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1500] thread3EXIT-->L104-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][364], [467#(= |#race~M~0| 0), Black: 486#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 459#(= |#race~size~0| 0), Black: 479#(<= ~N~0 0), 499#(<= (+ ~M~0 1) 0), Black: 480#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 484#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 537#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 525#true, Black: 500#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 444#(= |#race~N~0| 0), 471#(= |#race~A~0| 0), 509#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 469#true, 393#L104-7true]) [2023-11-29 06:44:31,134 INFO L294 olderBase$Statistics]: this new event has 238 ancestors and is not cut-off event [2023-11-29 06:44:31,134 INFO L297 olderBase$Statistics]: existing Event has 252 ancestors and is not cut-off event [2023-11-29 06:44:31,134 INFO L297 olderBase$Statistics]: existing Event has 273 ancestors and is not cut-off event [2023-11-29 06:44:31,134 INFO L297 olderBase$Statistics]: existing Event has 238 ancestors and is not cut-off event [2023-11-29 06:44:31,155 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1500] thread3EXIT-->L104-7: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem41#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_#t~mem41#1=|v_ULTIMATE.start_main_#t~mem41#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][364], [467#(= |#race~M~0| 0), Black: 486#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~N~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 459#(= |#race~size~0| 0), Black: 479#(<= ~N~0 0), Black: 480#(and (= |thread1Thread1of1ForFork2_~i~0#1| 0) (<= ~N~0 0)), Black: 484#(and (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~3#1| 0) (<= ~N~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), 537#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 525#true, Black: 500#(and (<= (+ ~M~0 1) 0) (= |thread2Thread1of1ForFork0_~i~1#1| 0)), 444#(= |#race~N~0| 0), Black: 499#(<= (+ ~M~0 1) 0), 471#(= |#race~A~0| 0), 509#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 469#true, 393#L104-7true]) [2023-11-29 06:44:31,155 INFO L294 olderBase$Statistics]: this new event has 243 ancestors and is not cut-off event [2023-11-29 06:44:31,155 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is not cut-off event [2023-11-29 06:44:31,155 INFO L297 olderBase$Statistics]: existing Event has 278 ancestors and is not cut-off event [2023-11-29 06:44:31,155 INFO L297 olderBase$Statistics]: existing Event has 243 ancestors and is not cut-off event [2023-11-29 06:44:31,265 INFO L124 PetriNetUnfolderBase]: 339/3155 cut-off events. [2023-11-29 06:44:31,265 INFO L125 PetriNetUnfolderBase]: For 62/131 co-relation queries the response was YES. [2023-11-29 06:44:31,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3890 conditions, 3155 events. 339/3155 cut-off events. For 62/131 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 24524 event pairs, 46 based on Foata normal form. 28/2978 useless extension candidates. Maximal degree in co-relation 3832. Up to 158 conditions per place. [2023-11-29 06:44:31,297 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 28 selfloop transitions, 4 changer transitions 0/371 dead transitions. [2023-11-29 06:44:31,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 371 transitions, 905 flow [2023-11-29 06:44:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:31,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2349 transitions. [2023-11-29 06:44:31,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8837471783295711 [2023-11-29 06:44:31,303 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2349 transitions. [2023-11-29 06:44:31,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2349 transitions. [2023-11-29 06:44:31,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:31,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2349 transitions. [2023-11-29 06:44:31,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 391.5) internal successors, (2349), 6 states have internal predecessors, (2349), 0 states have call successors, (0), 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 06:44:31,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:31,313 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:31,313 INFO L175 Difference]: Start difference. First operand has 375 places, 364 transitions, 827 flow. Second operand 6 states and 2349 transitions. [2023-11-29 06:44:31,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 371 transitions, 905 flow [2023-11-29 06:44:31,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 371 transitions, 895 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:44:31,321 INFO L231 Difference]: Finished difference. Result has 374 places, 363 transitions, 823 flow [2023-11-29 06:44:31,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=823, PETRI_PLACES=374, PETRI_TRANSITIONS=363} [2023-11-29 06:44:31,322 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -28 predicate places. [2023-11-29 06:44:31,322 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 363 transitions, 823 flow [2023-11-29 06:44:31,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 387.8333333333333) internal successors, (2327), 6 states have internal predecessors, (2327), 0 states have call successors, (0), 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 06:44:31,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:31,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:31,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:44:31,323 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:31,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:31,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1379194244, now seen corresponding path program 1 times [2023-11-29 06:44:31,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:31,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145550314] [2023-11-29 06:44:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:31,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:31,996 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 06:44:31,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:31,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145550314] [2023-11-29 06:44:31,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145550314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:31,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:31,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:44:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872199173] [2023-11-29 06:44:31,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:31,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:44:31,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:31,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:44:31,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:44:32,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 443 [2023-11-29 06:44:32,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 363 transitions, 823 flow. Second operand has 6 states, 6 states have (on average 388.0) internal successors, (2328), 6 states have internal predecessors, (2328), 0 states have call successors, (0), 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 06:44:32,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:32,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 443 [2023-11-29 06:44:32,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:33,073 INFO L124 PetriNetUnfolderBase]: 163/1982 cut-off events. [2023-11-29 06:44:33,073 INFO L125 PetriNetUnfolderBase]: For 59/104 co-relation queries the response was YES. [2023-11-29 06:44:33,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2513 conditions, 1982 events. 163/1982 cut-off events. For 59/104 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 13621 event pairs, 38 based on Foata normal form. 16/1887 useless extension candidates. Maximal degree in co-relation 2455. Up to 153 conditions per place. [2023-11-29 06:44:33,083 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 24 selfloop transitions, 4 changer transitions 0/366 dead transitions. [2023-11-29 06:44:33,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 366 transitions, 885 flow [2023-11-29 06:44:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:44:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:44:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2345 transitions. [2023-11-29 06:44:33,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.882242287434161 [2023-11-29 06:44:33,091 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2345 transitions. [2023-11-29 06:44:33,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2345 transitions. [2023-11-29 06:44:33,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:33,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2345 transitions. [2023-11-29 06:44:33,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.8333333333333) internal successors, (2345), 6 states have internal predecessors, (2345), 0 states have call successors, (0), 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 06:44:33,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:33,103 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 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 06:44:33,103 INFO L175 Difference]: Start difference. First operand has 374 places, 363 transitions, 823 flow. Second operand 6 states and 2345 transitions. [2023-11-29 06:44:33,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 366 transitions, 885 flow [2023-11-29 06:44:33,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 366 transitions, 878 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:44:33,112 INFO L231 Difference]: Finished difference. Result has 374 places, 362 transitions, 822 flow [2023-11-29 06:44:33,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=822, PETRI_PLACES=374, PETRI_TRANSITIONS=362} [2023-11-29 06:44:33,113 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -28 predicate places. [2023-11-29 06:44:33,113 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 362 transitions, 822 flow [2023-11-29 06:44:33,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 388.0) internal successors, (2328), 6 states have internal predecessors, (2328), 0 states have call successors, (0), 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 06:44:33,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:33,114 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:33,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:44:33,114 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:33,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:33,114 INFO L85 PathProgramCache]: Analyzing trace with hash 984351282, now seen corresponding path program 1 times [2023-11-29 06:44:33,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:33,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83380406] [2023-11-29 06:44:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:33,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:33,183 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 06:44:33,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:33,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83380406] [2023-11-29 06:44:33,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83380406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:33,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:33,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:33,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746795528] [2023-11-29 06:44:33,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:33,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:33,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:33,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:33,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:33,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 443 [2023-11-29 06:44:33,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 362 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 06:44:33,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:33,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 443 [2023-11-29 06:44:33,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:33,618 INFO L124 PetriNetUnfolderBase]: 128/1939 cut-off events. [2023-11-29 06:44:33,618 INFO L125 PetriNetUnfolderBase]: For 69/94 co-relation queries the response was YES. [2023-11-29 06:44:33,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2357 conditions, 1939 events. 128/1939 cut-off events. For 69/94 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 13030 event pairs, 38 based on Foata normal form. 0/1836 useless extension candidates. Maximal degree in co-relation 2301. Up to 149 conditions per place. [2023-11-29 06:44:33,632 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 10 selfloop transitions, 1 changer transitions 0/361 dead transitions. [2023-11-29 06:44:33,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 361 transitions, 842 flow [2023-11-29 06:44:33,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2023-11-29 06:44:33,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9142212189616253 [2023-11-29 06:44:33,637 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2023-11-29 06:44:33,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2023-11-29 06:44:33,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:33,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2023-11-29 06:44:33,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 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 06:44:33,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:33,642 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:33,642 INFO L175 Difference]: Start difference. First operand has 374 places, 362 transitions, 822 flow. Second operand 3 states and 1215 transitions. [2023-11-29 06:44:33,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 361 transitions, 842 flow [2023-11-29 06:44:33,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 361 transitions, 835 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:44:33,649 INFO L231 Difference]: Finished difference. Result has 371 places, 361 transitions, 815 flow [2023-11-29 06:44:33,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=371, PETRI_TRANSITIONS=361} [2023-11-29 06:44:33,650 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -31 predicate places. [2023-11-29 06:44:33,650 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 361 transitions, 815 flow [2023-11-29 06:44:33,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 06:44:33,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:44:33,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:44:33,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 06:44:33,651 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 78 more)] === [2023-11-29 06:44:33,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:44:33,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1068814122, now seen corresponding path program 1 times [2023-11-29 06:44:33,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:44:33,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173340940] [2023-11-29 06:44:33,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:44:33,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:44:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:44:33,722 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 06:44:33,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:44:33,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173340940] [2023-11-29 06:44:33,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173340940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:44:33,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:44:33,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:44:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165845801] [2023-11-29 06:44:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:44:33,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:44:33,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:44:33,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:44:33,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:44:33,727 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 443 [2023-11-29 06:44:33,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 361 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 06:44:33,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:44:33,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 443 [2023-11-29 06:44:33,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:44:34,119 INFO L124 PetriNetUnfolderBase]: 128/1931 cut-off events. [2023-11-29 06:44:34,119 INFO L125 PetriNetUnfolderBase]: For 69/94 co-relation queries the response was YES. [2023-11-29 06:44:34,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2310 conditions, 1931 events. 128/1931 cut-off events. For 69/94 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 12903 event pairs, 38 based on Foata normal form. 8/1836 useless extension candidates. Maximal degree in co-relation 2260. Up to 149 conditions per place. [2023-11-29 06:44:34,130 INFO L140 encePairwiseOnDemand]: 441/443 looper letters, 0 selfloop transitions, 0 changer transitions 360/360 dead transitions. [2023-11-29 06:44:34,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 360 transitions, 833 flow [2023-11-29 06:44:34,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:44:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:44:34,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2023-11-29 06:44:34,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9134687735139202 [2023-11-29 06:44:34,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2023-11-29 06:44:34,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2023-11-29 06:44:34,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:44:34,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2023-11-29 06:44:34,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 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 06:44:34,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:34,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 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 06:44:34,138 INFO L175 Difference]: Start difference. First operand has 371 places, 361 transitions, 815 flow. Second operand 3 states and 1214 transitions. [2023-11-29 06:44:34,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 360 transitions, 833 flow [2023-11-29 06:44:34,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 360 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:44:34,143 INFO L231 Difference]: Finished difference. Result has 371 places, 0 transitions, 0 flow [2023-11-29 06:44:34,144 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=371, PETRI_TRANSITIONS=0} [2023-11-29 06:44:34,144 INFO L281 CegarLoopForPetriNet]: 402 programPoint places, -31 predicate places. [2023-11-29 06:44:34,145 INFO L495 AbstractCegarLoop]: Abstraction has has 371 places, 0 transitions, 0 flow [2023-11-29 06:44:34,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 0 states have call successors, (0), 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 06:44:34,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (81 of 82 remaining) [2023-11-29 06:44:34,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (80 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (79 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 82 remaining) [2023-11-29 06:44:34,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (68 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (66 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (65 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (64 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 82 remaining) [2023-11-29 06:44:34,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (62 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (55 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (53 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (52 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (51 of 82 remaining) [2023-11-29 06:44:34,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (42 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 82 remaining) [2023-11-29 06:44:34,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (34 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 82 remaining) [2023-11-29 06:44:34,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 82 remaining) [2023-11-29 06:44:34,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 82 remaining) [2023-11-29 06:44:34,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 82 remaining) [2023-11-29 06:44:34,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 82 remaining) [2023-11-29 06:44:34,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 82 remaining) [2023-11-29 06:44:34,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 06:44:34,155 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:44:34,161 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:44:34,161 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:44:34,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:44:34 BasicIcfg [2023-11-29 06:44:34,167 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:44:34,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:44:34,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:44:34,168 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:44:34,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:57" (3/4) ... [2023-11-29 06:44:34,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:44:34,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 06:44:34,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 06:44:34,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 06:44:34,182 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-29 06:44:34,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:44:34,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:44:34,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:44:34,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:44:34,296 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:44:34,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:44:34,297 INFO L158 Benchmark]: Toolchain (without parser) took 38530.95ms. Allocated memory was 140.5MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 102.9MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-11-29 06:44:34,298 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:44:34,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.54ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 88.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 06:44:34,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.32ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 84.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:44:34,299 INFO L158 Benchmark]: Boogie Preprocessor took 78.17ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 81.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:44:34,299 INFO L158 Benchmark]: RCFGBuilder took 1403.36ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 81.1MB in the beginning and 113.7MB in the end (delta: -32.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2023-11-29 06:44:34,300 INFO L158 Benchmark]: TraceAbstraction took 36498.35ms. Allocated memory was 195.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 112.6MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 992.8MB. Max. memory is 16.1GB. [2023-11-29 06:44:34,300 INFO L158 Benchmark]: Witness Printer took 129.24ms. Allocated memory is still 5.7GB. Free memory was 4.6GB in the beginning and 4.6GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:44:34,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 111.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.54ms. Allocated memory is still 140.5MB. Free memory was 102.4MB in the beginning and 88.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.32ms. Allocated memory is still 140.5MB. Free memory was 88.6MB in the beginning and 84.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.17ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 81.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1403.36ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 81.1MB in the beginning and 113.7MB in the end (delta: -32.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36498.35ms. Allocated memory was 195.0MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 112.6MB in the beginning and 4.6GB in the end (delta: -4.5GB). Peak memory consumption was 992.8MB. Max. memory is 16.1GB. * Witness Printer took 129.24ms. Allocated memory is still 5.7GB. Free memory was 4.6GB in the beginning and 4.6GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 118]: 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: 118]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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, 595 locations, 82 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: 36.2s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2351 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1227 mSDsluCounter, 720 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 579 mSDsCounter, 946 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4316 IncrementalHoareTripleChecker+Invalid, 5262 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 946 mSolverCounterUnsat, 141 mSDtfsCounter, 4316 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=852occurred in iteration=0, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 2321 NumberOfCodeBlocks, 2321 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2301 ConstructedInterpolants, 0 QuantifiedInterpolants, 3316 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 1/1 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:44:34,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7675295a-e08a-4512-8a01-4db1d1921db3/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