./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_1-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_1-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ --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 ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:45:02,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:45:02,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 21:45:02,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:45:02,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:45:02,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:45:02,274 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:45:02,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:45:02,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:45:02,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:45:02,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:45:02,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:45:02,284 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:45:02,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:45:02,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:45:02,287 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:45:02,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:45:02,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:45:02,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:45:02,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:45:02,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:45:02,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:45:02,290 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:45:02,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:45:02,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:45:02,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:45:02,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:45:02,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:45:02,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:45:02,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:45:02,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:45:02,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:45:02,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:45:02,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:45:02,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:45:02,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:45:02,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:45:02,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:45:02,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:45:02,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:45:02,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:45:02,306 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_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2023-11-23 21:45:02,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:45:02,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:45:02,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:45:02,671 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:45:02,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:45:02,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/ldv-races/race-1_1-join.i [2023-11-23 21:45:05,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:45:06,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:45:06,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/sv-benchmarks/c/ldv-races/race-1_1-join.i [2023-11-23 21:45:06,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/data/639fd9280/0a56d059718744289f6fe786f680d31c/FLAG7d825b74d [2023-11-23 21:45:06,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/data/639fd9280/0a56d059718744289f6fe786f680d31c [2023-11-23 21:45:06,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:45:06,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:45:06,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:45:06,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:45:06,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:45:06,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:45:06" (1/1) ... [2023-11-23 21:45:06,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1655b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:06, skipping insertion in model container [2023-11-23 21:45:06,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:45:06" (1/1) ... [2023-11-23 21:45:06,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:45:07,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:45:07,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:45:07,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:45:07,446 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:45:07,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07 WrapperNode [2023-11-23 21:45:07,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:45:07,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:45:07,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:45:07,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:45:07,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,553 INFO L138 Inliner]: procedures = 481, calls = 29, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 135 [2023-11-23 21:45:07,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:45:07,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:45:07,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:45:07,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:45:07,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:45:07,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:45:07,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:45:07,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:45:07,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (1/1) ... [2023-11-23 21:45:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:45:07,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:45:07,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:45:07,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:45:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:45:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:45:07,694 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 21:45:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:45:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:45:07,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:45:07,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:45:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:45:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 21:45:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 21:45:07,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 21:45:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:45:07,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:45:07,698 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:45:07,989 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:45:07,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:45:08,275 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:45:08,296 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:45:08,296 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:45:08,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:45:08 BoogieIcfgContainer [2023-11-23 21:45:08,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:45:08,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:45:08,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:45:08,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:45:08,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:45:06" (1/3) ... [2023-11-23 21:45:08,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4dc346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:45:08, skipping insertion in model container [2023-11-23 21:45:08,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:45:07" (2/3) ... [2023-11-23 21:45:08,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4dc346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:45:08, skipping insertion in model container [2023-11-23 21:45:08,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:45:08" (3/3) ... [2023-11-23 21:45:08,308 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2023-11-23 21:45:08,318 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:45:08,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:45:08,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-11-23 21:45:08,330 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:45:08,388 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-23 21:45:08,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 163 transitions, 333 flow [2023-11-23 21:45:08,499 INFO L124 PetriNetUnfolderBase]: 9/182 cut-off events. [2023-11-23 21:45:08,499 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-23 21:45:08,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 182 events. 9/182 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 332 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 98. Up to 3 conditions per place. [2023-11-23 21:45:08,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 163 transitions, 333 flow [2023-11-23 21:45:08,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 144 transitions, 294 flow [2023-11-23 21:45:08,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:45:08,538 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;@5fd7b445, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:45:08,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-23 21:45:08,546 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 21:45:08,546 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-23 21:45:08,546 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 21:45:08,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 21:45:08,547 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:45:08,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 21:45:08,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:45:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1976063458, now seen corresponding path program 1 times [2023-11-23 21:45:08,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:45:08,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813090656] [2023-11-23 21:45:08,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:45:08,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:45:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:45:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:45:09,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:45:09,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813090656] [2023-11-23 21:45:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813090656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:45:09,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:45:09,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:45:09,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010160028] [2023-11-23 21:45:09,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:45:09,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:45:09,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:45:09,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:45:09,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:45:09,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 163 [2023-11-23 21:45:09,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 144 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 21:45:09,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 163 [2023-11-23 21:45:09,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 21:45:09,259 INFO L124 PetriNetUnfolderBase]: 4/176 cut-off events. [2023-11-23 21:45:09,260 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-23 21:45:09,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 176 events. 4/176 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 426 event pairs, 4 based on Foata normal form. 8/166 useless extension candidates. Maximal degree in co-relation 89. Up to 25 conditions per place. [2023-11-23 21:45:09,263 INFO L140 encePairwiseOnDemand]: 154/163 looper letters, 15 selfloop transitions, 2 changer transitions 6/128 dead transitions. [2023-11-23 21:45:09,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 128 transitions, 296 flow [2023-11-23 21:45:09,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:45:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 21:45:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2023-11-23 21:45:09,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8650306748466258 [2023-11-23 21:45:09,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2023-11-23 21:45:09,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2023-11-23 21:45:09,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:45:09,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2023-11-23 21:45:09,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,299 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,301 INFO L175 Difference]: Start difference. First operand has 141 places, 144 transitions, 294 flow. Second operand 3 states and 423 transitions. [2023-11-23 21:45:09,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 128 transitions, 296 flow [2023-11-23 21:45:09,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 128 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 21:45:09,311 INFO L231 Difference]: Finished difference. Result has 131 places, 122 transitions, 250 flow [2023-11-23 21:45:09,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=131, PETRI_TRANSITIONS=122} [2023-11-23 21:45:09,318 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -10 predicate places. [2023-11-23 21:45:09,318 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 122 transitions, 250 flow [2023-11-23 21:45:09,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 21:45:09,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:45:09,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:45:09,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 21:45:09,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:45:09,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2084374081, now seen corresponding path program 1 times [2023-11-23 21:45:09,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:45:09,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235742553] [2023-11-23 21:45:09,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:45:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:45:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:45:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:45:09,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:45:09,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235742553] [2023-11-23 21:45:09,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235742553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:45:09,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:45:09,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:45:09,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620965217] [2023-11-23 21:45:09,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:45:09,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:45:09,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:45:09,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:45:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:45:09,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 163 [2023-11-23 21:45:09,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 122 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 21:45:09,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 163 [2023-11-23 21:45:09,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 21:45:09,586 INFO L124 PetriNetUnfolderBase]: 0/138 cut-off events. [2023-11-23 21:45:09,586 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 21:45:09,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 138 events. 0/138 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 221 event pairs, 0 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-11-23 21:45:09,587 INFO L140 encePairwiseOnDemand]: 152/163 looper letters, 8 selfloop transitions, 6 changer transitions 3/118 dead transitions. [2023-11-23 21:45:09,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 118 transitions, 272 flow [2023-11-23 21:45:09,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:45:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 21:45:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 412 transitions. [2023-11-23 21:45:09,592 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8425357873210634 [2023-11-23 21:45:09,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 412 transitions. [2023-11-23 21:45:09,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 412 transitions. [2023-11-23 21:45:09,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:45:09,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 412 transitions. [2023-11-23 21:45:09,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,603 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,603 INFO L175 Difference]: Start difference. First operand has 131 places, 122 transitions, 250 flow. Second operand 3 states and 412 transitions. [2023-11-23 21:45:09,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 118 transitions, 272 flow [2023-11-23 21:45:09,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 118 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 21:45:09,610 INFO L231 Difference]: Finished difference. Result has 121 places, 115 transitions, 244 flow [2023-11-23 21:45:09,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=121, PETRI_TRANSITIONS=115} [2023-11-23 21:45:09,612 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -20 predicate places. [2023-11-23 21:45:09,612 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 115 transitions, 244 flow [2023-11-23 21:45:09,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 21:45:09,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:45:09,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:45:09,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 21:45:09,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:45:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1334207153, now seen corresponding path program 1 times [2023-11-23 21:45:09,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:45:09,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471420394] [2023-11-23 21:45:09,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:45:09,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:45:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:45:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:45:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:45:09,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471420394] [2023-11-23 21:45:09,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471420394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:45:09,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:45:09,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:45:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872073424] [2023-11-23 21:45:09,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:45:09,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:45:09,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:45:09,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:45:09,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:45:09,863 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 163 [2023-11-23 21:45:09,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 115 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 21:45:09,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 163 [2023-11-23 21:45:09,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 21:45:09,918 INFO L124 PetriNetUnfolderBase]: 4/161 cut-off events. [2023-11-23 21:45:09,918 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-23 21:45:09,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 161 events. 4/161 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 380 event pairs, 4 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 59. Up to 24 conditions per place. [2023-11-23 21:45:09,921 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 14 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2023-11-23 21:45:09,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 114 transitions, 274 flow [2023-11-23 21:45:09,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:45:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 21:45:09,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2023-11-23 21:45:09,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8507157464212679 [2023-11-23 21:45:09,925 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2023-11-23 21:45:09,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2023-11-23 21:45:09,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:45:09,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2023-11-23 21:45:09,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,931 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,931 INFO L175 Difference]: Start difference. First operand has 121 places, 115 transitions, 244 flow. Second operand 3 states and 416 transitions. [2023-11-23 21:45:09,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 114 transitions, 274 flow [2023-11-23 21:45:09,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 114 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 21:45:09,939 INFO L231 Difference]: Finished difference. Result has 117 places, 114 transitions, 234 flow [2023-11-23 21:45:09,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=117, PETRI_TRANSITIONS=114} [2023-11-23 21:45:09,941 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -24 predicate places. [2023-11-23 21:45:09,941 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 114 transitions, 234 flow [2023-11-23 21:45:09,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:09,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 21:45:09,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:45:09,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:45:09,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 21:45:09,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:45:09,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1873231808, now seen corresponding path program 1 times [2023-11-23 21:45:09,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:45:09,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002398246] [2023-11-23 21:45:09,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:45:09,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:45:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:45:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:45:10,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:45:10,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002398246] [2023-11-23 21:45:10,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002398246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:45:10,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:45:10,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:45:10,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696111700] [2023-11-23 21:45:10,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:45:10,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:45:10,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:45:10,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:45:10,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:45:10,143 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 163 [2023-11-23 21:45:10,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 114 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:10,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 21:45:10,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 163 [2023-11-23 21:45:10,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 21:45:10,184 INFO L124 PetriNetUnfolderBase]: 0/133 cut-off events. [2023-11-23 21:45:10,184 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 21:45:10,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 133 events. 0/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 211 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2023-11-23 21:45:10,185 INFO L140 encePairwiseOnDemand]: 160/163 looper letters, 12 selfloop transitions, 2 changer transitions 6/113 dead transitions. [2023-11-23 21:45:10,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 113 transitions, 260 flow [2023-11-23 21:45:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:45:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 21:45:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-23 21:45:10,188 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8588957055214724 [2023-11-23 21:45:10,188 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-23 21:45:10,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-23 21:45:10,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:45:10,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-23 21:45:10,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:10,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:10,193 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:10,193 INFO L175 Difference]: Start difference. First operand has 117 places, 114 transitions, 234 flow. Second operand 3 states and 420 transitions. [2023-11-23 21:45:10,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 113 transitions, 260 flow [2023-11-23 21:45:10,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 113 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 21:45:10,199 INFO L231 Difference]: Finished difference. Result has 116 places, 107 transitions, 220 flow [2023-11-23 21:45:10,200 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=116, PETRI_TRANSITIONS=107} [2023-11-23 21:45:10,202 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -25 predicate places. [2023-11-23 21:45:10,202 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 107 transitions, 220 flow [2023-11-23 21:45:10,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:10,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 21:45:10,203 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:45:10,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:45:10,204 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 21:45:10,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:45:10,204 INFO L85 PathProgramCache]: Analyzing trace with hash -600266397, now seen corresponding path program 1 times [2023-11-23 21:45:10,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:45:10,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83930967] [2023-11-23 21:45:10,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:45:10,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:45:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:45:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:45:10,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:45:10,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83930967] [2023-11-23 21:45:10,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83930967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:45:10,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:45:10,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:45:10,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854885665] [2023-11-23 21:45:10,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:45:10,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:45:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:45:10,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:45:10,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:45:11,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 163 [2023-11-23 21:45:11,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 107 transitions, 220 flow. Second operand has 6 states, 6 states have (on average 141.16666666666666) internal successors, (847), 6 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 21:45:11,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 163 [2023-11-23 21:45:11,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 21:45:11,140 INFO L124 PetriNetUnfolderBase]: 10/142 cut-off events. [2023-11-23 21:45:11,141 INFO L125 PetriNetUnfolderBase]: For 1/4 co-relation queries the response was YES. [2023-11-23 21:45:11,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 142 events. 10/142 cut-off events. For 1/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 257 event pairs, 0 based on Foata normal form. 2/141 useless extension candidates. Maximal degree in co-relation 127. Up to 13 conditions per place. [2023-11-23 21:45:11,142 INFO L140 encePairwiseOnDemand]: 158/163 looper letters, 14 selfloop transitions, 4 changer transitions 19/114 dead transitions. [2023-11-23 21:45:11,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 114 transitions, 270 flow [2023-11-23 21:45:11,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:45:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 21:45:11,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 859 transitions. [2023-11-23 21:45:11,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.878323108384458 [2023-11-23 21:45:11,153 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 859 transitions. [2023-11-23 21:45:11,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 859 transitions. [2023-11-23 21:45:11,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:45:11,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 859 transitions. [2023-11-23 21:45:11,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 143.16666666666666) internal successors, (859), 6 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,161 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,162 INFO L175 Difference]: Start difference. First operand has 116 places, 107 transitions, 220 flow. Second operand 6 states and 859 transitions. [2023-11-23 21:45:11,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 114 transitions, 270 flow [2023-11-23 21:45:11,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 114 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 21:45:11,166 INFO L231 Difference]: Finished difference. Result has 112 places, 87 transitions, 184 flow [2023-11-23 21:45:11,167 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=184, PETRI_PLACES=112, PETRI_TRANSITIONS=87} [2023-11-23 21:45:11,169 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -29 predicate places. [2023-11-23 21:45:11,170 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 87 transitions, 184 flow [2023-11-23 21:45:11,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.16666666666666) internal successors, (847), 6 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 21:45:11,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:45:11,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:45:11,172 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 21:45:11,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:45:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1272113096, now seen corresponding path program 1 times [2023-11-23 21:45:11,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:45:11,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967575132] [2023-11-23 21:45:11,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:45:11,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:45:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:45:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:45:11,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:45:11,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967575132] [2023-11-23 21:45:11,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967575132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:45:11,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:45:11,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:45:11,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120877155] [2023-11-23 21:45:11,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:45:11,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:45:11,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:45:11,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:45:11,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:45:11,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 163 [2023-11-23 21:45:11,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 87 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 21:45:11,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 163 [2023-11-23 21:45:11,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 21:45:11,391 INFO L124 PetriNetUnfolderBase]: 4/109 cut-off events. [2023-11-23 21:45:11,392 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-23 21:45:11,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 109 events. 4/109 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 126 event pairs, 4 based on Foata normal form. 1/108 useless extension candidates. Maximal degree in co-relation 114. Up to 19 conditions per place. [2023-11-23 21:45:11,393 INFO L140 encePairwiseOnDemand]: 161/163 looper letters, 0 selfloop transitions, 0 changer transitions 86/86 dead transitions. [2023-11-23 21:45:11,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 86 transitions, 204 flow [2023-11-23 21:45:11,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:45:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 21:45:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 411 transitions. [2023-11-23 21:45:11,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8404907975460123 [2023-11-23 21:45:11,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 411 transitions. [2023-11-23 21:45:11,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 411 transitions. [2023-11-23 21:45:11,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 21:45:11,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 411 transitions. [2023-11-23 21:45:11,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,402 INFO L175 Difference]: Start difference. First operand has 112 places, 87 transitions, 184 flow. Second operand 3 states and 411 transitions. [2023-11-23 21:45:11,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 86 transitions, 204 flow [2023-11-23 21:45:11,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 86 transitions, 197 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 21:45:11,404 INFO L231 Difference]: Finished difference. Result has 91 places, 0 transitions, 0 flow [2023-11-23 21:45:11,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=91, PETRI_TRANSITIONS=0} [2023-11-23 21:45:11,407 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -50 predicate places. [2023-11-23 21:45:11,407 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 0 transitions, 0 flow [2023-11-23 21:45:11,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:45:11,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-11-23 21:45:11,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-11-23 21:45:11,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-11-23 21:45:11,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2023-11-23 21:45:11,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-11-23 21:45:11,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-11-23 21:45:11,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-11-23 21:45:11,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-11-23 21:45:11,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-11-23 21:45:11,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2023-11-23 21:45:11,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-11-23 21:45:11,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-11-23 21:45:11,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:45:11,420 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 21:45:11,426 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:45:11,426 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:45:11,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:45:11 BasicIcfg [2023-11-23 21:45:11,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:45:11,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:45:11,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:45:11,434 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:45:11,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:45:08" (3/4) ... [2023-11-23 21:45:11,436 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:45:11,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 21:45:11,449 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 21:45:11,450 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:45:11,450 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:45:11,450 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:45:11,572 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:45:11,572 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 21:45:11,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:45:11,573 INFO L158 Benchmark]: Toolchain (without parser) took 5370.25ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 123.3MB in the beginning and 100.8MB in the end (delta: 22.5MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,574 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:45:11,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1246.07ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 118.6MB in the end (delta: 4.0MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.04ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,575 INFO L158 Benchmark]: Boogie Preprocessor took 56.52ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,575 INFO L158 Benchmark]: RCFGBuilder took 686.49ms. Allocated memory is still 157.3MB. Free memory was 112.3MB in the beginning and 89.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,576 INFO L158 Benchmark]: TraceAbstraction took 3132.06ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 88.2MB in the beginning and 106.1MB in the end (delta: -17.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,576 INFO L158 Benchmark]: Witness Printer took 139.35ms. Allocated memory is still 199.2MB. Free memory was 106.1MB in the beginning and 100.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:45:11,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1246.07ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 118.6MB in the end (delta: 4.0MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.04ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 114.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.52ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 686.49ms. Allocated memory is still 157.3MB. Free memory was 112.3MB in the beginning and 89.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3132.06ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 88.2MB in the beginning and 106.1MB in the end (delta: -17.8MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 139.35ms. Allocated memory is still 199.2MB. Free memory was 106.1MB in the beginning and 100.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: 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 3 procedures, 184 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 51 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 1.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:45:11,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4ddc511-d3b7-40d8-b7e7-c665818424c6/bin/uautomizer-verify-zZY32mL2XJ/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