./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/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_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/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_34a38ce0-416c-465f-88f5-68084c5a561d/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 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:12:31,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:12:31,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:12:31,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:12:31,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:12:31,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:12:31,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:12:31,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:12:31,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:12:31,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:12:31,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:12:31,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:12:31,150 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:12:31,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:12:31,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:12:31,152 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:12:31,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:12:31,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:12:31,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:12:31,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:12:31,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:12:31,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:12:31,155 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:12:31,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:12:31,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:12:31,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:12:31,161 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:12:31,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:12:31,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:12:31,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:12:31,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:31,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:12:31,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:12:31,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:12:31,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:12:31,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:12:31,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:12:31,165 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:12:31,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:12:31,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:12:31,166 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:12:31,167 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_34a38ce0-416c-465f-88f5-68084c5a561d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 [2023-11-12 02:12:31,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:12:31,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:12:31,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:12:31,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:12:31,424 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:12:31,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-11-12 02:12:34,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:12:35,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:12:35,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2023-11-12 02:12:35,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/data/bc7230d84/8a3ad5053b10459f84631715cd4bf775/FLAG2d5d8889a [2023-11-12 02:12:35,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/data/bc7230d84/8a3ad5053b10459f84631715cd4bf775 [2023-11-12 02:12:35,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:12:35,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:12:35,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:35,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:12:35,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:12:35,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69191b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35, skipping insertion in model container [2023-11-12 02:12:35,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:12:35,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:35,568 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:12:35,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:12:35,659 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:12:35,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35 WrapperNode [2023-11-12 02:12:35,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:12:35,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:35,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:12:35,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:12:35,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,705 INFO L138 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-11-12 02:12:35,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:12:35,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:12:35,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:12:35,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:12:35,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:12:35,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:12:35,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:12:35,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:12:35,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (1/1) ... [2023-11-12 02:12:35,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:12:35,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:12:35,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:12:35,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:12:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:12:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:12:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:12:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:12:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:12:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:12:35,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:12:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:12:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:12:35,835 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 02:12:36,001 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:12:36,004 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:12:36,266 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:12:36,296 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:12:36,297 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:12:36,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:36 BoogieIcfgContainer [2023-11-12 02:12:36,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:12:36,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:12:36,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:12:36,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:12:36,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:12:35" (1/3) ... [2023-11-12 02:12:36,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27eb0f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:36, skipping insertion in model container [2023-11-12 02:12:36,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:12:35" (2/3) ... [2023-11-12 02:12:36,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27eb0f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:12:36, skipping insertion in model container [2023-11-12 02:12:36,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:36" (3/3) ... [2023-11-12 02:12:36,316 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2023-11-12 02:12:36,346 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:12:36,356 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:12:36,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 02:12:36,357 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:12:36,436 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:12:36,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 128 flow [2023-11-12 02:12:36,509 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2023-11-12 02:12:36,510 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:12:36,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:12:36,513 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 62 transitions, 128 flow [2023-11-12 02:12:36,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow [2023-11-12 02:12:36,522 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:12:36,533 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 61 transitions, 125 flow [2023-11-12 02:12:36,536 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 61 transitions, 125 flow [2023-11-12 02:12:36,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 61 transitions, 125 flow [2023-11-12 02:12:36,557 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2023-11-12 02:12:36,558 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:12:36,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:12:36,560 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2023-11-12 02:12:37,885 INFO L134 LiptonReduction]: Checked pairs total: 4575 [2023-11-12 02:12:37,886 INFO L136 LiptonReduction]: Total number of compositions: 31 [2023-11-12 02:12:37,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:12:37,925 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;@61f44987, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:12:37,925 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-12 02:12:37,936 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:12:37,936 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2023-11-12 02:12:37,937 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:12:37,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:12:37,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:37,938 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:12:37,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:37,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1137874884, now seen corresponding path program 1 times [2023-11-12 02:12:37,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:37,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374849163] [2023-11-12 02:12:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:37,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:38,676 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 02:12:38,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:38,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374849163] [2023-11-12 02:12:38,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374849163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:38,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:38,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:12:38,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218078946] [2023-11-12 02:12:38,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:38,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:12:38,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:38,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:12:38,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:12:38,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 93 [2023-11-12 02:12:38,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 0 states have call successors, (0), 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 02:12:38,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:12:38,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 93 [2023-11-12 02:12:38,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:12:39,310 INFO L124 PetriNetUnfolderBase]: 240/581 cut-off events. [2023-11-12 02:12:39,311 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:12:39,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 581 events. 240/581 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3055 event pairs, 53 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 1105. Up to 217 conditions per place. [2023-11-12 02:12:39,321 INFO L140 encePairwiseOnDemand]: 71/93 looper letters, 83 selfloop transitions, 42 changer transitions 0/128 dead transitions. [2023-11-12 02:12:39,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 128 transitions, 509 flow [2023-11-12 02:12:39,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:12:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:12:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 355 transitions. [2023-11-12 02:12:39,348 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6362007168458781 [2023-11-12 02:12:39,349 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 355 transitions. [2023-11-12 02:12:39,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 355 transitions. [2023-11-12 02:12:39,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:12:39,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 355 transitions. [2023-11-12 02:12:39,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 59.166666666666664) internal successors, (355), 6 states have internal predecessors, (355), 0 states have call successors, (0), 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 02:12:39,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:12:39,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:12:39,372 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 355 transitions. [2023-11-12 02:12:39,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 128 transitions, 509 flow [2023-11-12 02:12:39,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 128 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:12:39,394 INFO L231 Difference]: Finished difference. Result has 43 places, 76 transitions, 378 flow [2023-11-12 02:12:39,396 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=43, PETRI_TRANSITIONS=76} [2023-11-12 02:12:39,400 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2023-11-12 02:12:39,401 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 76 transitions, 378 flow [2023-11-12 02:12:39,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.333333333333336) internal successors, (236), 6 states have internal predecessors, (236), 0 states have call successors, (0), 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 02:12:39,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:12:39,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:39,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:12:39,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:12:39,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:39,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1662947219, now seen corresponding path program 1 times [2023-11-12 02:12:39,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:39,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94622804] [2023-11-12 02:12:39,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:39,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:39,725 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 02:12:39,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:39,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94622804] [2023-11-12 02:12:39,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94622804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:39,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:39,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:12:39,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992648385] [2023-11-12 02:12:39,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:39,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:12:39,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:39,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:12:39,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:12:39,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 93 [2023-11-12 02:12:39,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 76 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 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 02:12:39,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:12:39,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 93 [2023-11-12 02:12:39,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:12:40,174 INFO L124 PetriNetUnfolderBase]: 336/777 cut-off events. [2023-11-12 02:12:40,174 INFO L125 PetriNetUnfolderBase]: For 470/478 co-relation queries the response was YES. [2023-11-12 02:12:40,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2422 conditions, 777 events. 336/777 cut-off events. For 470/478 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4180 event pairs, 85 based on Foata normal form. 22/799 useless extension candidates. Maximal degree in co-relation 2409. Up to 510 conditions per place. [2023-11-12 02:12:40,184 INFO L140 encePairwiseOnDemand]: 77/93 looper letters, 98 selfloop transitions, 46 changer transitions 3/151 dead transitions. [2023-11-12 02:12:40,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 151 transitions, 1000 flow [2023-11-12 02:12:40,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:12:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:12:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 313 transitions. [2023-11-12 02:12:40,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5609318996415771 [2023-11-12 02:12:40,187 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 313 transitions. [2023-11-12 02:12:40,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 313 transitions. [2023-11-12 02:12:40,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:12:40,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 313 transitions. [2023-11-12 02:12:40,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 0 states have call successors, (0), 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 02:12:40,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:12:40,192 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:12:40,193 INFO L175 Difference]: Start difference. First operand has 43 places, 76 transitions, 378 flow. Second operand 6 states and 313 transitions. [2023-11-12 02:12:40,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 151 transitions, 1000 flow [2023-11-12 02:12:40,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 151 transitions, 1000 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:12:40,204 INFO L231 Difference]: Finished difference. Result has 52 places, 119 transitions, 801 flow [2023-11-12 02:12:40,206 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=801, PETRI_PLACES=52, PETRI_TRANSITIONS=119} [2023-11-12 02:12:40,209 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 18 predicate places. [2023-11-12 02:12:40,210 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 119 transitions, 801 flow [2023-11-12 02:12:40,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 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 02:12:40,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:12:40,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:40,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:12:40,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:12:40,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:40,213 INFO L85 PathProgramCache]: Analyzing trace with hash 614332058, now seen corresponding path program 1 times [2023-11-12 02:12:40,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:40,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189467828] [2023-11-12 02:12:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:12:40,473 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 02:12:40,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:12:40,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189467828] [2023-11-12 02:12:40,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189467828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:12:40,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:12:40,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:12:40,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648503594] [2023-11-12 02:12:40,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:12:40,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:12:40,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:12:40,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:12:40,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:12:40,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 93 [2023-11-12 02:12:40,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 119 transitions, 801 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 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 02:12:40,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:12:40,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 93 [2023-11-12 02:12:40,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:12:41,017 INFO L124 PetriNetUnfolderBase]: 398/903 cut-off events. [2023-11-12 02:12:41,018 INFO L125 PetriNetUnfolderBase]: For 1592/1609 co-relation queries the response was YES. [2023-11-12 02:12:41,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 903 events. 398/903 cut-off events. For 1592/1609 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4969 event pairs, 89 based on Foata normal form. 19/921 useless extension candidates. Maximal degree in co-relation 3529. Up to 626 conditions per place. [2023-11-12 02:12:41,030 INFO L140 encePairwiseOnDemand]: 77/93 looper letters, 120 selfloop transitions, 49 changer transitions 16/189 dead transitions. [2023-11-12 02:12:41,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 189 transitions, 1575 flow [2023-11-12 02:12:41,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:12:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:12:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 297 transitions. [2023-11-12 02:12:41,033 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532258064516129 [2023-11-12 02:12:41,033 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 297 transitions. [2023-11-12 02:12:41,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 297 transitions. [2023-11-12 02:12:41,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:12:41,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 297 transitions. [2023-11-12 02:12:41,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 49.5) internal successors, (297), 6 states have internal predecessors, (297), 0 states have call successors, (0), 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 02:12:41,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:12:41,038 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:12:41,039 INFO L175 Difference]: Start difference. First operand has 52 places, 119 transitions, 801 flow. Second operand 6 states and 297 transitions. [2023-11-12 02:12:41,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 189 transitions, 1575 flow [2023-11-12 02:12:41,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 189 transitions, 1541 flow, removed 17 selfloop flow, removed 0 redundant places. [2023-11-12 02:12:41,060 INFO L231 Difference]: Finished difference. Result has 61 places, 148 transitions, 1152 flow [2023-11-12 02:12:41,061 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=61, PETRI_TRANSITIONS=148} [2023-11-12 02:12:41,063 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 27 predicate places. [2023-11-12 02:12:41,063 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 148 transitions, 1152 flow [2023-11-12 02:12:41,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 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 02:12:41,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:12:41,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:12:41,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:12:41,066 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:12:41,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:12:41,067 INFO L85 PathProgramCache]: Analyzing trace with hash 386894246, now seen corresponding path program 1 times [2023-11-12 02:12:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:12:41,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134366616] [2023-11-12 02:12:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:12:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:12:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:12:41,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:12:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:12:41,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:12:41,162 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:12:41,164 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-12 02:12:41,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-12 02:12:41,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-12 02:12:41,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-12 02:12:41,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-12 02:12:41,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-12 02:12:41,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-12 02:12:41,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:12:41,170 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:12:41,179 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:12:41,180 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:12:41,216 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:12:41,218 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,219 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,219 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,219 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,220 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,220 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,220 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,220 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,221 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,221 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,221 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:12:41,221 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:12:41,222 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,222 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,222 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:12:41,222 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:12:41,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:12:41 BasicIcfg [2023-11-12 02:12:41,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:12:41,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:12:41,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:12:41,236 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:12:41,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:12:36" (3/4) ... [2023-11-12 02:12:41,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:12:41,240 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:12:41,241 INFO L158 Benchmark]: Toolchain (without parser) took 6172.02ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 108.7MB in the beginning and 140.8MB in the end (delta: -32.1MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-12 02:12:41,241 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:12:41,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.60ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 90.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:12:41,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.31ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 88.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:12:41,242 INFO L158 Benchmark]: Boogie Preprocessor took 34.44ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 86.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:12:41,245 INFO L158 Benchmark]: RCFGBuilder took 557.99ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 109.9MB in the end (delta: -23.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-12 02:12:41,251 INFO L158 Benchmark]: TraceAbstraction took 4931.87ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 109.2MB in the beginning and 140.8MB in the end (delta: -31.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-12 02:12:41,251 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 195.0MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:12:41,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.60ms. Allocated memory is still 140.5MB. Free memory was 108.4MB in the beginning and 90.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.31ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 88.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.44ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 86.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 557.99ms. Allocated memory is still 140.5MB. Free memory was 86.2MB in the beginning and 109.9MB in the end (delta: -23.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4931.87ms. Allocated memory was 140.5MB in the beginning and 195.0MB in the end (delta: 54.5MB). Free memory was 109.2MB in the beginning and 140.8MB in the end (delta: -31.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 195.0MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 65 PlacesBefore, 34 PlacesAfterwards, 61 TransitionsBefore, 30 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 4 FixpointIterations, 10 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 31 TotalNumberOfCompositions, 4575 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 902, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 434, independent conditional: 0, independent unconditional: 434, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 902, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 469, unknown conditional: 0, unknown unconditional: 469] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 687]: Data race detected [2023-11-12 02:12:41,265 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:12:41,268 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,269 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,269 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,270 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,270 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,270 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,271 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,272 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:12:41,280 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:12:41,287 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:12:41,287 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,288 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-12 02:12:41,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:12:41,289 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:12:41,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-12 02:12:41,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:12:41,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post3 could not be translated [2023-11-12 02:12:41,290 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated Data race detected The following path leads to a data race: [L679] 0 int data[10]; [L685] 0 pthread_t id; [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] EXPR 0 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [681] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 7 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: 4.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 225 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 117 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 660 IncrementalHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 117 mSolverCounterUnsat, 0 mSDtfsCounter, 660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1152occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:12:41,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34a38ce0-416c-465f-88f5-68084c5a561d/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE