./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl --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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:23:13,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:23:13,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:23:13,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:23:13,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:23:13,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:23:13,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:23:13,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:23:13,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:23:13,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:23:13,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:23:13,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:23:13,489 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:23:13,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:23:13,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:23:13,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:23:13,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:23:13,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:23:13,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:23:13,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:23:13,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:23:13,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:23:13,496 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:23:13,497 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:23:13,498 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:23:13,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:23:13,499 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:23:13,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:23:13,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:23:13,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:23:13,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:13,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:23:13,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:23:13,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:23:13,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:23:13,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:23:13,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:23:13,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:23:13,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:23:13,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:23:13,507 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:23:13,508 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_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2023-11-12 02:23:13,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:23:13,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:23:13,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:23:13,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:23:13,863 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:23:13,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-11-12 02:23:17,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:23:17,358 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:23:17,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2023-11-12 02:23:17,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/data/7a4481fcf/49c2b1901eab4dc69e92d74e995a0d02/FLAGf51372dfb [2023-11-12 02:23:17,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/data/7a4481fcf/49c2b1901eab4dc69e92d74e995a0d02 [2023-11-12 02:23:17,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:23:17,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:23:17,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:17,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:23:17,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:23:17,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b50637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17, skipping insertion in model container [2023-11-12 02:23:17,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:23:17,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:17,742 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:23:17,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:17,792 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:23:17,793 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:23:17,800 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:23:17,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17 WrapperNode [2023-11-12 02:23:17,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:17,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:17,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:23:17,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:23:17,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,889 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 432 [2023-11-12 02:23:17,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:17,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:23:17,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:23:17,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:23:17,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:23:17,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:23:17,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:23:17,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:23:17,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (1/1) ... [2023-11-12 02:23:17,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:18,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:23:18,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:23:18,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:23:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:23:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:23:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:23:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:23:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:23:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:23:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:23:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:23:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:23:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:23:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:23:18,067 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:23:18,199 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:23:18,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:23:19,067 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:23:19,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:23:19,594 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:23:19,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:19 BoogieIcfgContainer [2023-11-12 02:23:19,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:23:19,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:23:19,604 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:23:19,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:23:19,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:23:17" (1/3) ... [2023-11-12 02:23:19,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd97a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:19, skipping insertion in model container [2023-11-12 02:23:19,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:17" (2/3) ... [2023-11-12 02:23:19,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd97a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:19, skipping insertion in model container [2023-11-12 02:23:19,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:19" (3/3) ... [2023-11-12 02:23:19,612 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-11-12 02:23:19,622 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:23:19,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:23:19,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2023-11-12 02:23:19,634 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:23:19,814 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:23:19,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 340 places, 346 transitions, 706 flow [2023-11-12 02:23:20,000 INFO L124 PetriNetUnfolderBase]: 13/344 cut-off events. [2023-11-12 02:23:20,000 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:23:20,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 344 events. 13/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 509 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 254. Up to 2 conditions per place. [2023-11-12 02:23:20,008 INFO L82 GeneralOperation]: Start removeDead. Operand has 340 places, 346 transitions, 706 flow [2023-11-12 02:23:20,017 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 323 transitions, 658 flow [2023-11-12 02:23:20,021 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:23:20,031 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 323 transitions, 658 flow [2023-11-12 02:23:20,034 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 323 transitions, 658 flow [2023-11-12 02:23:20,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 323 transitions, 658 flow [2023-11-12 02:23:20,109 INFO L124 PetriNetUnfolderBase]: 12/323 cut-off events. [2023-11-12 02:23:20,109 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:23:20,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 323 events. 12/323 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 506 event pairs, 0 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 254. Up to 2 conditions per place. [2023-11-12 02:23:20,119 INFO L119 LiptonReduction]: Number of co-enabled transitions 7020 [2023-11-12 02:23:34,274 INFO L134 LiptonReduction]: Checked pairs total: 51952 [2023-11-12 02:23:34,274 INFO L136 LiptonReduction]: Total number of compositions: 338 [2023-11-12 02:23:34,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:23:34,301 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;@40d755a0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:23:34,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 117 error locations. [2023-11-12 02:23:34,304 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:23:34,304 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:23:34,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:23:34,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:34,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:23:34,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2023-11-12 02:23:34,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:34,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1779, now seen corresponding path program 1 times [2023-11-12 02:23:34,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:34,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167945162] [2023-11-12 02:23:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:34,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:23:34,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:34,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167945162] [2023-11-12 02:23:34,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167945162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:34,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:34,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:23:34,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149968749] [2023-11-12 02:23:34,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:34,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:23:34,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:34,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:23:34,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:23:34,511 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 684 [2023-11-12 02:23:34,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 101 transitions, 214 flow. Second operand has 2 states, 2 states have (on average 288.5) internal successors, (577), 2 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:34,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:34,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 684 [2023-11-12 02:23:34,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:34,673 INFO L124 PetriNetUnfolderBase]: 90/257 cut-off events. [2023-11-12 02:23:34,674 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-12 02:23:34,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 257 events. 90/257 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1153 event pairs, 64 based on Foata normal form. 1/226 useless extension candidates. Maximal degree in co-relation 348. Up to 161 conditions per place. [2023-11-12 02:23:34,679 INFO L140 encePairwiseOnDemand]: 619/684 looper letters, 19 selfloop transitions, 0 changer transitions 1/36 dead transitions. [2023-11-12 02:23:34,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 36 transitions, 124 flow [2023-11-12 02:23:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:23:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:23:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 661 transitions. [2023-11-12 02:23:34,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.483187134502924 [2023-11-12 02:23:34,702 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 661 transitions. [2023-11-12 02:23:34,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 661 transitions. [2023-11-12 02:23:34,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:34,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 661 transitions. [2023-11-12 02:23:34,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 330.5) internal successors, (661), 2 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:34,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:34,732 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 684.0) internal successors, (2052), 3 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:34,734 INFO L175 Difference]: Start difference. First operand has 102 places, 101 transitions, 214 flow. Second operand 2 states and 661 transitions. [2023-11-12 02:23:34,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 36 transitions, 124 flow [2023-11-12 02:23:34,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:23:34,743 INFO L231 Difference]: Finished difference. Result has 36 places, 35 transitions, 73 flow [2023-11-12 02:23:34,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=684, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=73, PETRI_PLACES=36, PETRI_TRANSITIONS=35} [2023-11-12 02:23:34,751 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -66 predicate places. [2023-11-12 02:23:34,752 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 35 transitions, 73 flow [2023-11-12 02:23:34,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 288.5) internal successors, (577), 2 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:34,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:34,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:23:34,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:23:34,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2023-11-12 02:23:34,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:34,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1049333606, now seen corresponding path program 1 times [2023-11-12 02:23:34,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:34,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511204704] [2023-11-12 02:23:34,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:23:34,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:34,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511204704] [2023-11-12 02:23:34,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511204704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:34,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:34,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:23:34,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99745454] [2023-11-12 02:23:34,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:34,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:23:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:23:34,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:23:34,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 684 [2023-11-12 02:23:34,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 35 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 283.0) internal successors, (849), 3 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:34,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:34,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 684 [2023-11-12 02:23:34,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:35,115 INFO L124 PetriNetUnfolderBase]: 135/271 cut-off events. [2023-11-12 02:23:35,115 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2023-11-12 02:23:35,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 271 events. 135/271 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 939 event pairs, 50 based on Foata normal form. 1/235 useless extension candidates. Maximal degree in co-relation 512. Up to 225 conditions per place. [2023-11-12 02:23:35,118 INFO L140 encePairwiseOnDemand]: 680/684 looper letters, 24 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2023-11-12 02:23:35,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 38 transitions, 132 flow [2023-11-12 02:23:35,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:23:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:23:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 871 transitions. [2023-11-12 02:23:35,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244639376218324 [2023-11-12 02:23:35,124 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 871 transitions. [2023-11-12 02:23:35,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 871 transitions. [2023-11-12 02:23:35,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:35,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 871 transitions. [2023-11-12 02:23:35,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 290.3333333333333) internal successors, (871), 3 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:35,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 684.0) internal successors, (2736), 4 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:35,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 684.0) internal successors, (2736), 4 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:35,138 INFO L175 Difference]: Start difference. First operand has 36 places, 35 transitions, 73 flow. Second operand 3 states and 871 transitions. [2023-11-12 02:23:35,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 38 transitions, 132 flow [2023-11-12 02:23:35,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:23:35,140 INFO L231 Difference]: Finished difference. Result has 36 places, 35 transitions, 83 flow [2023-11-12 02:23:35,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=684, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=83, PETRI_PLACES=36, PETRI_TRANSITIONS=35} [2023-11-12 02:23:35,142 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -66 predicate places. [2023-11-12 02:23:35,142 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 35 transitions, 83 flow [2023-11-12 02:23:35,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 283.0) internal successors, (849), 3 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:35,143 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:35,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:23:35,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:23:35,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2023-11-12 02:23:35,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:35,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1969553757, now seen corresponding path program 1 times [2023-11-12 02:23:35,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:35,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521280329] [2023-11-12 02:23:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:35,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:23:35,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:35,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521280329] [2023-11-12 02:23:35,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521280329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:35,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:35,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:23:35,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632729083] [2023-11-12 02:23:35,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:35,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:23:35,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:35,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:23:35,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:23:35,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 684 [2023-11-12 02:23:35,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 35 transitions, 83 flow. Second operand has 6 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:35,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:35,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 684 [2023-11-12 02:23:35,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:36,438 INFO L124 PetriNetUnfolderBase]: 293/497 cut-off events. [2023-11-12 02:23:36,439 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-12 02:23:36,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 497 events. 293/497 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2009 event pairs, 17 based on Foata normal form. 0/486 useless extension candidates. Maximal degree in co-relation 1107. Up to 170 conditions per place. [2023-11-12 02:23:36,443 INFO L140 encePairwiseOnDemand]: 679/684 looper letters, 61 selfloop transitions, 4 changer transitions 0/74 dead transitions. [2023-11-12 02:23:36,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 74 transitions, 331 flow [2023-11-12 02:23:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:23:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:23:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1676 transitions. [2023-11-12 02:23:36,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4083820662768031 [2023-11-12 02:23:36,453 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1676 transitions. [2023-11-12 02:23:36,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1676 transitions. [2023-11-12 02:23:36,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:36,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1676 transitions. [2023-11-12 02:23:36,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 279.3333333333333) internal successors, (1676), 6 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:36,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 684.0) internal successors, (4788), 7 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:36,477 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 684.0) internal successors, (4788), 7 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:36,478 INFO L175 Difference]: Start difference. First operand has 36 places, 35 transitions, 83 flow. Second operand 6 states and 1676 transitions. [2023-11-12 02:23:36,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 74 transitions, 331 flow [2023-11-12 02:23:36,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 74 transitions, 331 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:23:36,483 INFO L231 Difference]: Finished difference. Result has 40 places, 34 transitions, 89 flow [2023-11-12 02:23:36,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=684, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=89, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2023-11-12 02:23:36,487 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -62 predicate places. [2023-11-12 02:23:36,487 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 89 flow [2023-11-12 02:23:36,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.8333333333333) internal successors, (1631), 6 states have internal predecessors, (1631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:36,489 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:36,489 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] [2023-11-12 02:23:36,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:23:36,495 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 113 more)] === [2023-11-12 02:23:36,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:36,496 INFO L85 PathProgramCache]: Analyzing trace with hash 870374193, now seen corresponding path program 1 times [2023-11-12 02:23:36,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:36,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306568321] [2023-11-12 02:23:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:23:37,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:37,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306568321] [2023-11-12 02:23:37,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306568321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:37,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:37,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:23:37,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335433627] [2023-11-12 02:23:37,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:37,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:23:37,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:23:37,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:23:37,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 684 [2023-11-12 02:23:37,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 89 flow. Second operand has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:37,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:37,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 684 [2023-11-12 02:23:37,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:37,428 INFO L124 PetriNetUnfolderBase]: 113/260 cut-off events. [2023-11-12 02:23:37,429 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES. [2023-11-12 02:23:37,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 260 events. 113/260 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1067 event pairs, 55 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 589. Up to 155 conditions per place. [2023-11-12 02:23:37,430 INFO L140 encePairwiseOnDemand]: 679/684 looper letters, 0 selfloop transitions, 0 changer transitions 49/49 dead transitions. [2023-11-12 02:23:37,430 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 49 transitions, 209 flow [2023-11-12 02:23:37,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:23:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:23:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1660 transitions. [2023-11-12 02:23:37,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4044834307992203 [2023-11-12 02:23:37,439 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1660 transitions. [2023-11-12 02:23:37,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1660 transitions. [2023-11-12 02:23:37,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:37,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1660 transitions. [2023-11-12 02:23:37,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 276.6666666666667) internal successors, (1660), 6 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:37,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 684.0) internal successors, (4788), 7 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:37,462 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 684.0) internal successors, (4788), 7 states have internal predecessors, (4788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:37,462 INFO L175 Difference]: Start difference. First operand has 40 places, 34 transitions, 89 flow. Second operand 6 states and 1660 transitions. [2023-11-12 02:23:37,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 49 transitions, 209 flow [2023-11-12 02:23:37,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 49 transitions, 202 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:23:37,466 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2023-11-12 02:23:37,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=684, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2023-11-12 02:23:37,468 INFO L281 CegarLoopForPetriNet]: 102 programPoint places, -62 predicate places. [2023-11-12 02:23:37,468 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2023-11-12 02:23:37,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 272.5) internal successors, (1635), 6 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:23:37,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (116 of 117 remaining) [2023-11-12 02:23:37,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (115 of 117 remaining) [2023-11-12 02:23:37,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (114 of 117 remaining) [2023-11-12 02:23:37,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (113 of 117 remaining) [2023-11-12 02:23:37,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (112 of 117 remaining) [2023-11-12 02:23:37,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (111 of 117 remaining) [2023-11-12 02:23:37,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (110 of 117 remaining) [2023-11-12 02:23:37,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (109 of 117 remaining) [2023-11-12 02:23:37,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (108 of 117 remaining) [2023-11-12 02:23:37,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (107 of 117 remaining) [2023-11-12 02:23:37,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (106 of 117 remaining) [2023-11-12 02:23:37,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (105 of 117 remaining) [2023-11-12 02:23:37,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (104 of 117 remaining) [2023-11-12 02:23:37,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (103 of 117 remaining) [2023-11-12 02:23:37,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (102 of 117 remaining) [2023-11-12 02:23:37,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (101 of 117 remaining) [2023-11-12 02:23:37,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (100 of 117 remaining) [2023-11-12 02:23:37,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 117 remaining) [2023-11-12 02:23:37,480 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 117 remaining) [2023-11-12 02:23:37,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 117 remaining) [2023-11-12 02:23:37,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 117 remaining) [2023-11-12 02:23:37,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (95 of 117 remaining) [2023-11-12 02:23:37,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (94 of 117 remaining) [2023-11-12 02:23:37,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (93 of 117 remaining) [2023-11-12 02:23:37,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 117 remaining) [2023-11-12 02:23:37,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 117 remaining) [2023-11-12 02:23:37,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 117 remaining) [2023-11-12 02:23:37,492 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 117 remaining) [2023-11-12 02:23:37,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 117 remaining) [2023-11-12 02:23:37,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 117 remaining) [2023-11-12 02:23:37,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 117 remaining) [2023-11-12 02:23:37,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 117 remaining) [2023-11-12 02:23:37,493 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 117 remaining) [2023-11-12 02:23:37,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 117 remaining) [2023-11-12 02:23:37,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 117 remaining) [2023-11-12 02:23:37,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 117 remaining) [2023-11-12 02:23:37,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 117 remaining) [2023-11-12 02:23:37,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 117 remaining) [2023-11-12 02:23:37,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (78 of 117 remaining) [2023-11-12 02:23:37,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (77 of 117 remaining) [2023-11-12 02:23:37,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (76 of 117 remaining) [2023-11-12 02:23:37,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (75 of 117 remaining) [2023-11-12 02:23:37,495 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (74 of 117 remaining) [2023-11-12 02:23:37,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (73 of 117 remaining) [2023-11-12 02:23:37,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (72 of 117 remaining) [2023-11-12 02:23:37,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (71 of 117 remaining) [2023-11-12 02:23:37,496 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (70 of 117 remaining) [2023-11-12 02:23:37,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (69 of 117 remaining) [2023-11-12 02:23:37,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (68 of 117 remaining) [2023-11-12 02:23:37,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (67 of 117 remaining) [2023-11-12 02:23:37,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (66 of 117 remaining) [2023-11-12 02:23:37,497 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 117 remaining) [2023-11-12 02:23:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (64 of 117 remaining) [2023-11-12 02:23:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (63 of 117 remaining) [2023-11-12 02:23:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (62 of 117 remaining) [2023-11-12 02:23:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (61 of 117 remaining) [2023-11-12 02:23:37,498 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (60 of 117 remaining) [2023-11-12 02:23:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (59 of 117 remaining) [2023-11-12 02:23:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (58 of 117 remaining) [2023-11-12 02:23:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (57 of 117 remaining) [2023-11-12 02:23:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (56 of 117 remaining) [2023-11-12 02:23:37,499 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (55 of 117 remaining) [2023-11-12 02:23:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (54 of 117 remaining) [2023-11-12 02:23:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (53 of 117 remaining) [2023-11-12 02:23:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (52 of 117 remaining) [2023-11-12 02:23:37,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (51 of 117 remaining) [2023-11-12 02:23:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (50 of 117 remaining) [2023-11-12 02:23:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 117 remaining) [2023-11-12 02:23:37,502 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 117 remaining) [2023-11-12 02:23:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 117 remaining) [2023-11-12 02:23:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 117 remaining) [2023-11-12 02:23:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 117 remaining) [2023-11-12 02:23:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 117 remaining) [2023-11-12 02:23:37,503 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 117 remaining) [2023-11-12 02:23:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 117 remaining) [2023-11-12 02:23:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 117 remaining) [2023-11-12 02:23:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 117 remaining) [2023-11-12 02:23:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 117 remaining) [2023-11-12 02:23:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 117 remaining) [2023-11-12 02:23:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 117 remaining) [2023-11-12 02:23:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 117 remaining) [2023-11-12 02:23:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 117 remaining) [2023-11-12 02:23:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 117 remaining) [2023-11-12 02:23:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 117 remaining) [2023-11-12 02:23:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 117 remaining) [2023-11-12 02:23:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 117 remaining) [2023-11-12 02:23:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (30 of 117 remaining) [2023-11-12 02:23:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (29 of 117 remaining) [2023-11-12 02:23:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (28 of 117 remaining) [2023-11-12 02:23:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (27 of 117 remaining) [2023-11-12 02:23:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (26 of 117 remaining) [2023-11-12 02:23:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (25 of 117 remaining) [2023-11-12 02:23:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (24 of 117 remaining) [2023-11-12 02:23:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 117 remaining) [2023-11-12 02:23:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 117 remaining) [2023-11-12 02:23:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 117 remaining) [2023-11-12 02:23:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 117 remaining) [2023-11-12 02:23:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 117 remaining) [2023-11-12 02:23:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 117 remaining) [2023-11-12 02:23:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 117 remaining) [2023-11-12 02:23:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 117 remaining) [2023-11-12 02:23:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (15 of 117 remaining) [2023-11-12 02:23:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (14 of 117 remaining) [2023-11-12 02:23:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (13 of 117 remaining) [2023-11-12 02:23:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 117 remaining) [2023-11-12 02:23:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (11 of 117 remaining) [2023-11-12 02:23:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (10 of 117 remaining) [2023-11-12 02:23:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (9 of 117 remaining) [2023-11-12 02:23:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 117 remaining) [2023-11-12 02:23:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (7 of 117 remaining) [2023-11-12 02:23:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (6 of 117 remaining) [2023-11-12 02:23:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (5 of 117 remaining) [2023-11-12 02:23:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (4 of 117 remaining) [2023-11-12 02:23:37,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (3 of 117 remaining) [2023-11-12 02:23:37,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (2 of 117 remaining) [2023-11-12 02:23:37,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (1 of 117 remaining) [2023-11-12 02:23:37,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (0 of 117 remaining) [2023-11-12 02:23:37,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:23:37,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:23:37,526 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:23:37,526 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:23:37,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:23:37 BasicIcfg [2023-11-12 02:23:37,532 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:23:37,534 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:23:37,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:23:37,534 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:23:37,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:19" (3/4) ... [2023-11-12 02:23:37,536 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:23:37,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:23:37,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:23:37,556 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-12 02:23:37,557 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:23:37,557 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:23:37,558 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:23:37,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:23:37,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:23:37,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:23:37,703 INFO L158 Benchmark]: Toolchain (without parser) took 20306.67ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 91.8MB in the beginning and 108.1MB in the end (delta: -16.3MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,704 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:23:37,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.19ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 78.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.27ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,705 INFO L158 Benchmark]: Boogie Preprocessor took 72.51ms. Allocated memory is still 136.3MB. Free memory was 75.1MB in the beginning and 72.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,706 INFO L158 Benchmark]: RCFGBuilder took 1635.78ms. Allocated memory is still 136.3MB. Free memory was 71.8MB in the beginning and 52.9MB in the end (delta: 19.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,706 INFO L158 Benchmark]: TraceAbstraction took 17929.19ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 52.1MB in the beginning and 114.4MB in the end (delta: -62.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,707 INFO L158 Benchmark]: Witness Printer took 169.23ms. Allocated memory is still 201.3MB. Free memory was 114.4MB in the beginning and 108.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:23:37,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 55.9MB in the beginning and 55.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.19ms. Allocated memory is still 136.3MB. Free memory was 91.6MB in the beginning and 78.1MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.27ms. Allocated memory is still 136.3MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.51ms. Allocated memory is still 136.3MB. Free memory was 75.1MB in the beginning and 72.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1635.78ms. Allocated memory is still 136.3MB. Free memory was 71.8MB in the beginning and 52.9MB in the end (delta: 19.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17929.19ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 52.1MB in the beginning and 114.4MB in the end (delta: -62.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Witness Printer took 169.23ms. Allocated memory is still 201.3MB. Free memory was 114.4MB in the beginning and 108.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.2s, 318 PlacesBefore, 102 PlacesAfterwards, 323 TransitionsBefore, 101 TransitionsAfterwards, 7020 CoEnabledTransitionPairs, 8 FixpointIterations, 233 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 8 ConcurrentYvCompositions, 6 ChoiceCompositions, 338 TotalNumberOfCompositions, 51952 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16228, independent: 15176, independent conditional: 0, independent unconditional: 15176, dependent: 1052, dependent conditional: 0, dependent unconditional: 1052, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3409, independent: 3289, independent conditional: 0, independent unconditional: 3289, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16228, independent: 11887, independent conditional: 0, independent unconditional: 11887, dependent: 932, dependent conditional: 0, dependent unconditional: 932, unknown: 3409, unknown conditional: 0, unknown unconditional: 3409] , Statistics on independence cache: Total cache size (in pairs): 774, Positive cache size: 697, Positive conditional cache size: 0, Positive unconditional cache size: 697, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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: 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: 113]: 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: 113]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 424 locations, 117 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: 17.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 494 IncrementalHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 9 mSDtfsCounter, 494 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 67 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:23:37,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd4da24a-bc43-4ad0-b4c3-dddfcdafd2d9/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE