./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:12:58,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:12:58,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:12:58,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:12:58,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:12:58,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:12:58,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:12:58,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:12:58,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:12:58,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:12:58,371 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:12:58,372 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:12:58,373 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:12:58,375 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:12:58,376 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:12:58,376 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:12:58,377 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:12:58,377 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:12:58,378 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:12:58,378 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:12:58,379 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:12:58,380 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:12:58,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:12:58,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:12:58,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:12:58,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:12:58,383 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:12:58,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:12:58,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:12:58,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:12:58,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:12:58,386 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:12:58,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:12:58,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:12:58,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:12:58,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:12:58,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:12:58,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:12:58,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:58,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:12:58,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:12:58,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:12:58,389 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:12:58,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:12:58,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:12:58,390 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:12:58,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:12:58,391 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-19 05:12:58,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:12:58,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:12:58,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:12:58,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:12:58,805 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:12:58,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 05:13:01,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:02,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:02,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 05:13:02,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/data/28939ab01/8075bd8d20104bde83d5a37a297474c1/FLAG8be5f5e02 [2023-11-19 05:13:02,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/data/28939ab01/8075bd8d20104bde83d5a37a297474c1 [2023-11-19 05:13:02,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:02,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:02,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:02,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:02,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:02,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f44454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02, skipping insertion in model container [2023-11-19 05:13:02,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,248 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:02,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:02,492 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:02,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:02,532 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:13:02,533 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:13:02,541 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:02,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02 WrapperNode [2023-11-19 05:13:02,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:02,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:02,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:02,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:02,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,601 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2023-11-19 05:13:02,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:02,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:02,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:02,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:02,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:02,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:02,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:02,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:02,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (1/1) ... [2023-11-19 05:13:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:02,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:02,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:02,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:13:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:13:02,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:13:02,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:13:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:02,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:13:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:13:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 05:13:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 05:13:02,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:02,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:13:02,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:13:02,767 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:13:02,920 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:02,923 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:03,273 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:03,372 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:03,372 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:13:03,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:03 BoogieIcfgContainer [2023-11-19 05:13:03,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:03,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:03,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:03,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:03,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:02" (1/3) ... [2023-11-19 05:13:03,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec926de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:03, skipping insertion in model container [2023-11-19 05:13:03,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:02" (2/3) ... [2023-11-19 05:13:03,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec926de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:03, skipping insertion in model container [2023-11-19 05:13:03,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:03" (3/3) ... [2023-11-19 05:13:03,387 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2023-11-19 05:13:03,396 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:13:03,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:03,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-19 05:13:03,408 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:13:03,472 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 05:13:03,508 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:13:03,523 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 143 transitions, 300 flow [2023-11-19 05:13:03,526 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 143 transitions, 300 flow [2023-11-19 05:13:03,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 142 places, 143 transitions, 300 flow [2023-11-19 05:13:03,599 INFO L124 PetriNetUnfolderBase]: 8/141 cut-off events. [2023-11-19 05:13:03,599 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 05:13:03,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 141 events. 8/141 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 78. Up to 3 conditions per place. [2023-11-19 05:13:03,608 INFO L119 LiptonReduction]: Number of co-enabled transitions 1560 [2023-11-19 05:13:09,433 INFO L134 LiptonReduction]: Checked pairs total: 1834 [2023-11-19 05:13:09,434 INFO L136 LiptonReduction]: Total number of compositions: 172 [2023-11-19 05:13:09,445 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 33 transitions, 80 flow [2023-11-19 05:13:09,496 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 169 states, 118 states have (on average 3.4915254237288136) internal successors, (412), 168 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) [2023-11-19 05:13:09,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:09,540 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=FINITE_AUTOMATA, 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;@723edffc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:09,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2023-11-19 05:13:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 118 states have (on average 3.4915254237288136) internal successors, (412), 168 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) [2023-11-19 05:13:09,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 05:13:09,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:09,550 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 05:13:09,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2023-11-19 05:13:09,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:09,560 INFO L85 PathProgramCache]: Analyzing trace with hash 607, now seen corresponding path program 1 times [2023-11-19 05:13:09,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:09,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704814239] [2023-11-19 05:13:09,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:09,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:13:09,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:13:09,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:13:09,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704814239] [2023-11-19 05:13:09,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704814239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:13:09,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:13:09,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 05:13:09,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045960296] [2023-11-19 05:13:09,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:13:09,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:13:09,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:13:09,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:13:09,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:09,711 INFO L87 Difference]: Start difference. First operand has 169 states, 118 states have (on average 3.4915254237288136) internal successors, (412), 168 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) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:13:09,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:09,764 INFO L93 Difference]: Finished difference Result 33 states and 72 transitions. [2023-11-19 05:13:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:13:09,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) Word has length 1 [2023-11-19 05:13:09,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:09,773 INFO L225 Difference]: With dead ends: 33 [2023-11-19 05:13:09,774 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:13:09,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:13:09,780 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:09,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:13:09,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:13:09,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:13:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-19 05:13:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:13:09,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2023-11-19 05:13:09,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:09,814 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:13:09,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2023-11-19 05:13:09,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:13:09,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:13:09,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (24 of 25 remaining) [2023-11-19 05:13:09,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2023-11-19 05:13:09,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2023-11-19 05:13:09,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2023-11-19 05:13:09,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2023-11-19 05:13:09,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2023-11-19 05:13:09,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2023-11-19 05:13:09,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2023-11-19 05:13:09,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2023-11-19 05:13:09,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2023-11-19 05:13:09,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2023-11-19 05:13:09,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2023-11-19 05:13:09,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2023-11-19 05:13:09,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2023-11-19 05:13:09,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2023-11-19 05:13:09,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2023-11-19 05:13:09,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 25 remaining) [2023-11-19 05:13:09,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 25 remaining) [2023-11-19 05:13:09,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2023-11-19 05:13:09,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2023-11-19 05:13:09,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2023-11-19 05:13:09,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2023-11-19 05:13:09,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2023-11-19 05:13:09,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2023-11-19 05:13:09,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2023-11-19 05:13:09,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:13:09,828 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:09,834 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 05:13:09,834 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:09,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:09 BasicIcfg [2023-11-19 05:13:09,843 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:09,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:09,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:09,845 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:09,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:03" (3/4) ... [2023-11-19 05:13:09,848 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:13:09,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 05:13:09,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 05:13:09,862 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 05:13:09,863 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:13:09,863 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:13:09,863 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:13:09,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:13:09,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:13:09,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:09,978 INFO L158 Benchmark]: Toolchain (without parser) took 7768.20ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 138.3MB in the beginning and 92.3MB in the end (delta: 46.0MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2023-11-19 05:13:09,978 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:09,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.95ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 126.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:13:09,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.60ms. Allocated memory is still 169.9MB. Free memory was 126.5MB in the beginning and 124.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:09,983 INFO L158 Benchmark]: Boogie Preprocessor took 70.32ms. Allocated memory is still 169.9MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:09,984 INFO L158 Benchmark]: RCFGBuilder took 703.35ms. Allocated memory is still 169.9MB. Free memory was 123.0MB in the beginning and 102.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:13:09,985 INFO L158 Benchmark]: TraceAbstraction took 6464.20ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 101.5MB in the beginning and 97.6MB in the end (delta: 3.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-19 05:13:09,985 INFO L158 Benchmark]: Witness Printer took 132.81ms. Allocated memory is still 205.5MB. Free memory was 97.6MB in the beginning and 92.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:13:09,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.95ms. Allocated memory is still 169.9MB. Free memory was 138.0MB in the beginning and 126.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.60ms. Allocated memory is still 169.9MB. Free memory was 126.5MB in the beginning and 124.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.32ms. Allocated memory is still 169.9MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 703.35ms. Allocated memory is still 169.9MB. Free memory was 123.0MB in the beginning and 102.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6464.20ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 101.5MB in the beginning and 97.6MB in the end (delta: 3.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 132.81ms. Allocated memory is still 205.5MB. Free memory was 97.6MB in the beginning and 92.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 142 PlacesBefore, 38 PlacesAfterwards, 143 TransitionsBefore, 33 TransitionsAfterwards, 1560 CoEnabledTransitionPairs, 9 FixpointIterations, 98 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 6 ConcurrentYvCompositions, 6 ChoiceCompositions, 172 TotalNumberOfCompositions, 1834 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1827, independent: 1826, independent conditional: 0, independent unconditional: 1826, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 987, independent: 986, independent conditional: 0, independent unconditional: 986, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 987, independent: 985, independent conditional: 0, independent unconditional: 985, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1827, independent: 840, independent conditional: 0, independent unconditional: 840, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 987, unknown conditional: 0, unknown unconditional: 987] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 167 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 05:13:10,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49d201da-bb37-49fe-a80a-39a7d961339a/bin/utaipan-verify-t7M7D8N6sZ/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