./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:48:45,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:48:45,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-17 22:48:45,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:48:45,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:48:45,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:48:45,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:48:45,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:48:45,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:48:45,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:48:45,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:48:45,706 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:48:45,706 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:48:45,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:48:45,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:48:45,709 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:48:45,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:48:45,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:48:45,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:48:45,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:48:45,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:48:45,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:48:45,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:48:45,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:48:45,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:48:45,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:48:45,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:48:45,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:48:45,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:45,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:48:45,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:48:45,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:48:45,719 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:48:45,720 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-17 22:48:45,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:48:45,720 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:48:45,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:48:45,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:48:45,721 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:48:45,722 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:48:45,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9466f27e00e9305501eee0377198b5d988616fcd0740d7b6b046dc1579fad0d0 [2023-11-17 22:48:46,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:48:46,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:48:46,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:48:46,094 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:48:46,095 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:48:46,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2023-11-17 22:48:49,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:48:49,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:48:49,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2023-11-17 22:48:49,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/data/1f28f6b3e/62f5801c5a044399bdb2c6c597c77a44/FLAGaed7988ad [2023-11-17 22:48:49,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/data/1f28f6b3e/62f5801c5a044399bdb2c6c597c77a44 [2023-11-17 22:48:49,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:48:49,487 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:48:49,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:49,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:48:49,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:48:49,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:49" (1/1) ... [2023-11-17 22:48:49,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaf65e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:49, skipping insertion in model container [2023-11-17 22:48:49,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:49" (1/1) ... [2023-11-17 22:48:49,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:48:49,720 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2023-11-17 22:48:49,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:48:49,962 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:48:49,980 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i[1097,1110] [2023-11-17 22:48:50,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:48:50,090 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:48:50,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50 WrapperNode [2023-11-17 22:48:50,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:48:50,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:48:50,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:48:50,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:48:50,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,175 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2023-11-17 22:48:50,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:48:50,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:48:50,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:48:50,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:48:50,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:48:50,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:48:50,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:48:50,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:48:50,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (1/1) ... [2023-11-17 22:48:50,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:48:50,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:50,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:48:50,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:48:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:48:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:48:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 22:48:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 22:48:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:48:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-17 22:48:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-17 22:48:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:48:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 22:48:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:48:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:48:50,297 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:48:50,452 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:48:50,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:48:50,599 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:48:50,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:48:50,609 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-17 22:48:50,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:50 BoogieIcfgContainer [2023-11-17 22:48:50,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:48:50,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:48:50,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:48:50,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:48:50,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:48:49" (1/3) ... [2023-11-17 22:48:50,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472e06bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:48:50, skipping insertion in model container [2023-11-17 22:48:50,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:50" (2/3) ... [2023-11-17 22:48:50,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472e06bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:48:50, skipping insertion in model container [2023-11-17 22:48:50,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:50" (3/3) ... [2023-11-17 22:48:50,622 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2023-11-17 22:48:50,644 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:48:50,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:48:50,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 22:48:50,655 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 22:48:50,722 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-17 22:48:50,766 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:48:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:48:50,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:48:50,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:48:50,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 22:48:50,810 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:48:50,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-11-17 22:48:50,831 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=PARTIAL_ORDER_FA, 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;@3e133d6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:48:50,832 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 22:48:50,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 22:48:50,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:48:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1445257225, now seen corresponding path program 1 times [2023-11-17 22:48:50,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:48:50,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622896714] [2023-11-17 22:48:50,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:48:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:48:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 22:48:51,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 22:48:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 22:48:51,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 22:48:51,155 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 22:48:51,156 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 22:48:51,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 22:48:51,171 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 22:48:51,174 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2023-11-17 22:48:51,177 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 22:48:51,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 22:48:51,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre3 could not be translated [2023-11-17 22:48:51,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-17 22:48:51,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 10:48:51 BasicIcfg [2023-11-17 22:48:51,219 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 22:48:51,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-17 22:48:51,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-17 22:48:51,220 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-17 22:48:51,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:48:50" (3/4) ... [2023-11-17 22:48:51,221 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-17 22:48:51,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre3 could not be translated [2023-11-17 22:48:51,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated [2023-11-17 22:48:51,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/witness.graphml [2023-11-17 22:48:51,287 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-17 22:48:51,288 INFO L158 Benchmark]: Toolchain (without parser) took 1800.95ms. Allocated memory is still 153.1MB. Free memory was 106.9MB in the beginning and 96.4MB in the end (delta: 10.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-17 22:48:51,288 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:48:51,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.47ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 87.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-17 22:48:51,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.56ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 85.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:48:51,290 INFO L158 Benchmark]: Boogie Preprocessor took 30.77ms. Allocated memory is still 153.1MB. Free memory was 85.5MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:48:51,290 INFO L158 Benchmark]: RCFGBuilder took 404.60ms. Allocated memory is still 153.1MB. Free memory was 83.9MB in the beginning and 71.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-17 22:48:51,291 INFO L158 Benchmark]: TraceAbstraction took 603.26ms. Allocated memory is still 153.1MB. Free memory was 70.8MB in the beginning and 99.5MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:48:51,291 INFO L158 Benchmark]: Witness Printer took 67.56ms. Allocated memory is still 153.1MB. Free memory was 99.5MB in the beginning and 96.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:48:51,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.47ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 87.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.56ms. Allocated memory is still 153.1MB. Free memory was 87.5MB in the beginning and 85.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.77ms. Allocated memory is still 153.1MB. Free memory was 85.5MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.60ms. Allocated memory is still 153.1MB. Free memory was 83.9MB in the beginning and 71.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 603.26ms. Allocated memory is still 153.1MB. Free memory was 70.8MB in the beginning and 99.5MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.56ms. Allocated memory is still 153.1MB. Free memory was 99.5MB in the beginning and 96.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet1 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: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 167, independent: 165, independent conditional: 16, independent unconditional: 149, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 16, independent unconditional: 149, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 16, independent unconditional: 149, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 0, independent unconditional: 165, 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: 150, independent: 149, independent conditional: 0, independent unconditional: 149, 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: 150, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.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] , ProtectedIndependenceRelation.Statistics on underlying relation: 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: 53, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 150, unknown conditional: 0, unknown unconditional: 150] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 36, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 150, independent: 149, independent conditional: 0, independent unconditional: 149, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 167, independent: 165, independent conditional: 16, independent unconditional: 149, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 16, independent unconditional: 149, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 16, independent unconditional: 149, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166, independent: 165, independent conditional: 0, independent unconditional: 165, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, independent: 165, independent conditional: 0, independent unconditional: 165, 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: 150, independent: 149, independent conditional: 0, independent unconditional: 149, 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: 150, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.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] , ProtectedIndependenceRelation.Statistics on underlying relation: 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: 53, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 150, unknown conditional: 0, unknown unconditional: 150] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L687] COND TRUE 1 t == 42 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=42] [L688] 1 glob1 = 1 VAL [arg={0:0}, arg={0:0}, glob1=1, mutex1={3:0}, t=42] [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(!(t == 1)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=1, mutex1={3:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 85 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2023-11-17 22:48:51,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-17 22:48:51,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d469acd3-d66b-4506-b2ed-2b4a5ff1d82b/bin/ugemcutter-verify-ztSkJzofpW/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