./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:53,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:53,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:54:53,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:53,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:53,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:53,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:53,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:53,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:53,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:53,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:53,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:53,887 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:53,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:53,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:53,890 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:53,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:53,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:53,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:53,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:53,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:53,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:53,894 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:54:53,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:54:53,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:53,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:53,896 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:53,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:53,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:53,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:53,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:53,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:53,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:53,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:53,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:53,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:53,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:53,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:53,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:53,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:53,937 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:53,938 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2023-11-19 07:54:54,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:54,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:54,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:54,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:54,405 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:54,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2023-11-19 07:54:57,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:58,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:58,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2023-11-19 07:54:58,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/data/fa7d52d9e/02d519ba7b124d1d82b60dce92add01e/FLAGb7fb71017 [2023-11-19 07:54:58,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/data/fa7d52d9e/02d519ba7b124d1d82b60dce92add01e [2023-11-19 07:54:58,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:58,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:58,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:58,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:58,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:58,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdd7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58, skipping insertion in model container [2023-11-19 07:54:58,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:58,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:58,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:58,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:58,871 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:58,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58 WrapperNode [2023-11-19 07:54:58,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:58,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:58,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:58,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:58,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,933 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-19 07:54:58,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:58,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:58,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:58,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:58,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:58,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:59,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:59,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:59,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:59,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:59,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:59,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (1/1) ... [2023-11-19 07:54:59,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:59,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:59,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:59,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:54:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:54:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:54:59,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:54:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:59,171 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:54:59,171 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:54:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:59,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:59,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:59,175 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:54:59,411 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:59,419 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:59,708 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:59,719 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:59,719 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:54:59,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:59 BoogieIcfgContainer [2023-11-19 07:54:59,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:59,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:59,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:59,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:59,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:58" (1/3) ... [2023-11-19 07:54:59,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f40796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:59, skipping insertion in model container [2023-11-19 07:54:59,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:58" (2/3) ... [2023-11-19 07:54:59,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f40796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:59, skipping insertion in model container [2023-11-19 07:54:59,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:59" (3/3) ... [2023-11-19 07:54:59,735 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2023-11-19 07:54:59,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:54:59,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:59,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:54:59,759 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:54:59,822 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:54:59,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 148 flow [2023-11-19 07:54:59,915 INFO L124 PetriNetUnfolderBase]: 1/71 cut-off events. [2023-11-19 07:54:59,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:54:59,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-11-19 07:54:59,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 72 transitions, 148 flow [2023-11-19 07:54:59,940 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 71 transitions, 145 flow [2023-11-19 07:54:59,945 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:54:59,959 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 71 transitions, 145 flow [2023-11-19 07:54:59,966 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 71 transitions, 145 flow [2023-11-19 07:54:59,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 145 flow [2023-11-19 07:54:59,994 INFO L124 PetriNetUnfolderBase]: 1/71 cut-off events. [2023-11-19 07:54:59,994 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:54:59,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2023-11-19 07:54:59,997 INFO L119 LiptonReduction]: Number of co-enabled transitions 1188 [2023-11-19 07:55:02,514 INFO L134 LiptonReduction]: Checked pairs total: 5514 [2023-11-19 07:55:02,515 INFO L136 LiptonReduction]: Total number of compositions: 41 [2023-11-19 07:55:02,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:55:02,538 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@338ce534, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:55:02,538 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-19 07:55:02,543 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:55:02,543 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2023-11-19 07:55:02,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:55:02,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:02,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:02,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:55:02,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:02,551 INFO L85 PathProgramCache]: Analyzing trace with hash 741880636, now seen corresponding path program 1 times [2023-11-19 07:55:02,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:02,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392278080] [2023-11-19 07:55:02,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:02,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:03,429 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 07:55:03,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:03,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392278080] [2023-11-19 07:55:03,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392278080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:03,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:03,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:03,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448003769] [2023-11-19 07:55:03,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:03,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:55:03,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:03,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:55:03,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:55:03,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 113 [2023-11-19 07:55:03,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 63 flow. Second operand has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 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 07:55:03,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:03,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 113 [2023-11-19 07:55:03,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:04,073 INFO L124 PetriNetUnfolderBase]: 112/276 cut-off events. [2023-11-19 07:55:04,074 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:55:04,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 276 events. 112/276 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1167 event pairs, 43 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 524. Up to 182 conditions per place. [2023-11-19 07:55:04,080 INFO L140 encePairwiseOnDemand]: 102/113 looper letters, 34 selfloop transitions, 22 changer transitions 0/64 dead transitions. [2023-11-19 07:55:04,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 64 transitions, 243 flow [2023-11-19 07:55:04,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:55:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:55:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 387 transitions. [2023-11-19 07:55:04,106 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5707964601769911 [2023-11-19 07:55:04,109 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 387 transitions. [2023-11-19 07:55:04,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 387 transitions. [2023-11-19 07:55:04,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:04,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 387 transitions. [2023-11-19 07:55:04,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 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 07:55:04,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:04,131 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:04,133 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 63 flow. Second operand 6 states and 387 transitions. [2023-11-19 07:55:04,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 64 transitions, 243 flow [2023-11-19 07:55:04,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:55:04,140 INFO L231 Difference]: Finished difference. Result has 43 places, 51 transitions, 212 flow [2023-11-19 07:55:04,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=212, PETRI_PLACES=43, PETRI_TRANSITIONS=51} [2023-11-19 07:55:04,147 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2023-11-19 07:55:04,148 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 51 transitions, 212 flow [2023-11-19 07:55:04,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.333333333333336) internal successors, (338), 6 states have internal predecessors, (338), 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 07:55:04,148 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:04,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:04,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:55:04,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:55:04,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:04,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1415213926, now seen corresponding path program 1 times [2023-11-19 07:55:04,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:04,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512681476] [2023-11-19 07:55:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:04,554 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 07:55:04,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:04,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512681476] [2023-11-19 07:55:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512681476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:04,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:04,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057328374] [2023-11-19 07:55:04,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:04,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:55:04,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:04,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:55:04,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:55:04,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 113 [2023-11-19 07:55:04,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 51 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 52.333333333333336) internal successors, (314), 6 states have internal predecessors, (314), 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 07:55:04,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:04,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 113 [2023-11-19 07:55:04,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:04,938 INFO L124 PetriNetUnfolderBase]: 141/362 cut-off events. [2023-11-19 07:55:04,938 INFO L125 PetriNetUnfolderBase]: For 122/125 co-relation queries the response was YES. [2023-11-19 07:55:04,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 362 events. 141/362 cut-off events. For 122/125 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1678 event pairs, 44 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 846. Up to 223 conditions per place. [2023-11-19 07:55:04,949 INFO L140 encePairwiseOnDemand]: 102/113 looper letters, 45 selfloop transitions, 26 changer transitions 0/84 dead transitions. [2023-11-19 07:55:04,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 84 transitions, 438 flow [2023-11-19 07:55:04,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:55:04,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:55:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 361 transitions. [2023-11-19 07:55:04,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532448377581121 [2023-11-19 07:55:04,956 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 361 transitions. [2023-11-19 07:55:04,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 361 transitions. [2023-11-19 07:55:04,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:04,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 361 transitions. [2023-11-19 07:55:04,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 60.166666666666664) internal successors, (361), 6 states have internal predecessors, (361), 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 07:55:04,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:04,964 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:04,964 INFO L175 Difference]: Start difference. First operand has 43 places, 51 transitions, 212 flow. Second operand 6 states and 361 transitions. [2023-11-19 07:55:04,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 84 transitions, 438 flow [2023-11-19 07:55:04,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 84 transitions, 438 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:55:04,976 INFO L231 Difference]: Finished difference. Result has 53 places, 72 transitions, 396 flow [2023-11-19 07:55:04,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=53, PETRI_TRANSITIONS=72} [2023-11-19 07:55:04,980 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 19 predicate places. [2023-11-19 07:55:04,981 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 72 transitions, 396 flow [2023-11-19 07:55:04,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.333333333333336) internal successors, (314), 6 states have internal predecessors, (314), 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 07:55:04,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:04,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:04,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:55:04,984 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:55:04,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:04,991 INFO L85 PathProgramCache]: Analyzing trace with hash -644473301, now seen corresponding path program 1 times [2023-11-19 07:55:04,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:04,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348257666] [2023-11-19 07:55:04,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:04,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:05,387 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 07:55:05,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:05,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348257666] [2023-11-19 07:55:05,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348257666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:05,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:05,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:05,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942065897] [2023-11-19 07:55:05,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:05,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:55:05,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:05,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:55:05,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:55:05,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 113 [2023-11-19 07:55:05,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 72 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 47.166666666666664) internal successors, (283), 6 states have internal predecessors, (283), 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 07:55:05,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:05,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 113 [2023-11-19 07:55:05,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:05,722 INFO L124 PetriNetUnfolderBase]: 227/535 cut-off events. [2023-11-19 07:55:05,722 INFO L125 PetriNetUnfolderBase]: For 424/426 co-relation queries the response was YES. [2023-11-19 07:55:05,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1651 conditions, 535 events. 227/535 cut-off events. For 424/426 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2518 event pairs, 62 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 1633. Up to 406 conditions per place. [2023-11-19 07:55:05,728 INFO L140 encePairwiseOnDemand]: 99/113 looper letters, 68 selfloop transitions, 49 changer transitions 4/127 dead transitions. [2023-11-19 07:55:05,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 127 transitions, 862 flow [2023-11-19 07:55:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:55:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:55:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 344 transitions. [2023-11-19 07:55:05,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5073746312684366 [2023-11-19 07:55:05,731 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 344 transitions. [2023-11-19 07:55:05,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 344 transitions. [2023-11-19 07:55:05,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:05,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 344 transitions. [2023-11-19 07:55:05,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 states have internal predecessors, (344), 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 07:55:05,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:05,736 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:05,736 INFO L175 Difference]: Start difference. First operand has 53 places, 72 transitions, 396 flow. Second operand 6 states and 344 transitions. [2023-11-19 07:55:05,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 127 transitions, 862 flow [2023-11-19 07:55:05,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 127 transitions, 862 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:55:05,746 INFO L231 Difference]: Finished difference. Result has 62 places, 115 transitions, 783 flow [2023-11-19 07:55:05,746 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=783, PETRI_PLACES=62, PETRI_TRANSITIONS=115} [2023-11-19 07:55:05,747 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 28 predicate places. [2023-11-19 07:55:05,747 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 115 transitions, 783 flow [2023-11-19 07:55:05,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.166666666666664) internal successors, (283), 6 states have internal predecessors, (283), 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 07:55:05,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:05,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:05,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:55:05,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:55:05,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:05,749 INFO L85 PathProgramCache]: Analyzing trace with hash -397352157, now seen corresponding path program 1 times [2023-11-19 07:55:05,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:05,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685998353] [2023-11-19 07:55:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:06,015 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 07:55:06,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:06,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685998353] [2023-11-19 07:55:06,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685998353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:06,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:06,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:55:06,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76873689] [2023-11-19 07:55:06,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:06,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:55:06,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:06,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:55:06,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:55:06,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 113 [2023-11-19 07:55:06,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 115 transitions, 783 flow. Second operand has 6 states, 6 states have (on average 51.333333333333336) internal successors, (308), 6 states have internal predecessors, (308), 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 07:55:06,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:55:06,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 113 [2023-11-19 07:55:06,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:55:06,392 INFO L124 PetriNetUnfolderBase]: 276/634 cut-off events. [2023-11-19 07:55:06,392 INFO L125 PetriNetUnfolderBase]: For 919/935 co-relation queries the response was YES. [2023-11-19 07:55:06,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2379 conditions, 634 events. 276/634 cut-off events. For 919/935 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3079 event pairs, 65 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 2356. Up to 523 conditions per place. [2023-11-19 07:55:06,399 INFO L140 encePairwiseOnDemand]: 99/113 looper letters, 105 selfloop transitions, 57 changer transitions 4/170 dead transitions. [2023-11-19 07:55:06,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 170 transitions, 1425 flow [2023-11-19 07:55:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:55:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:55:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 369 transitions. [2023-11-19 07:55:06,402 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5442477876106194 [2023-11-19 07:55:06,402 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 369 transitions. [2023-11-19 07:55:06,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 369 transitions. [2023-11-19 07:55:06,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:06,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 369 transitions. [2023-11-19 07:55:06,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 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 07:55:06,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:06,407 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 113.0) internal successors, (791), 7 states have internal predecessors, (791), 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 07:55:06,407 INFO L175 Difference]: Start difference. First operand has 62 places, 115 transitions, 783 flow. Second operand 6 states and 369 transitions. [2023-11-19 07:55:06,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 170 transitions, 1425 flow [2023-11-19 07:55:06,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 170 transitions, 1369 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-19 07:55:06,423 INFO L231 Difference]: Finished difference. Result has 71 places, 158 transitions, 1200 flow [2023-11-19 07:55:06,423 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1200, PETRI_PLACES=71, PETRI_TRANSITIONS=158} [2023-11-19 07:55:06,424 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 37 predicate places. [2023-11-19 07:55:06,424 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 158 transitions, 1200 flow [2023-11-19 07:55:06,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.333333333333336) internal successors, (308), 6 states have internal predecessors, (308), 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 07:55:06,425 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:55:06,425 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:06,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:55:06,425 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-19 07:55:06,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:06,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1342979254, now seen corresponding path program 1 times [2023-11-19 07:55:06,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:06,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696519354] [2023-11-19 07:55:06,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:06,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:06,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:06,547 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:55:06,548 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-19 07:55:06,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-19 07:55:06,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-11-19 07:55:06,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-19 07:55:06,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-19 07:55:06,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-19 07:55:06,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-19 07:55:06,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:55:06,557 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:55:06,564 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:55:06,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:55:06,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-19 07:55:06,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post37 could not be translated [2023-11-19 07:55:06,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-19 07:55:06,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:06 BasicIcfg [2023-11-19 07:55:06,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:55:06,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:55:06,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:55:06,634 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:55:06,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:59" (3/4) ... [2023-11-19 07:55:06,637 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:55:06,638 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:55:06,639 INFO L158 Benchmark]: Toolchain (without parser) took 8582.26ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 165.0MB in the beginning and 141.1MB in the end (delta: 23.9MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2023-11-19 07:55:06,639 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory was 102.0MB in the beginning and 101.9MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:06,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.83ms. Allocated memory is still 195.0MB. Free memory was 165.0MB in the beginning and 137.5MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:55:06,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.85ms. Allocated memory is still 195.0MB. Free memory was 137.5MB in the beginning and 135.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:06,644 INFO L158 Benchmark]: Boogie Preprocessor took 69.94ms. Allocated memory is still 195.0MB. Free memory was 135.5MB in the beginning and 163.4MB in the end (delta: -27.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:55:06,652 INFO L158 Benchmark]: RCFGBuilder took 719.20ms. Allocated memory is still 195.0MB. Free memory was 163.4MB in the beginning and 149.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:55:06,655 INFO L158 Benchmark]: TraceAbstraction took 6906.48ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 148.7MB in the beginning and 141.1MB in the end (delta: 7.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-11-19 07:55:06,655 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 234.9MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:06,657 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 130.0MB. Free memory was 102.0MB in the beginning and 101.9MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.83ms. Allocated memory is still 195.0MB. Free memory was 165.0MB in the beginning and 137.5MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.85ms. Allocated memory is still 195.0MB. Free memory was 137.5MB in the beginning and 135.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.94ms. Allocated memory is still 195.0MB. Free memory was 135.5MB in the beginning and 163.4MB in the end (delta: -27.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 719.20ms. Allocated memory is still 195.0MB. Free memory was 163.4MB in the beginning and 149.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6906.48ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 148.7MB in the beginning and 141.1MB in the end (delta: 7.6MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 234.9MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 74 PlacesBefore, 34 PlacesAfterwards, 71 TransitionsBefore, 30 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 5 FixpointIterations, 19 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 41 TotalNumberOfCompositions, 5514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1151, independent: 845, independent conditional: 0, independent unconditional: 845, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 484, independent: 432, independent conditional: 0, independent unconditional: 432, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1151, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 484, unknown conditional: 0, unknown unconditional: 484] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 923]: Data race detected [2023-11-19 07:55:06,685 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-19 07:55:06,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,686 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,687 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,688 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post37 could not be translated [2023-11-19 07:55:06,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-19 07:55:06,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,708 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-19 07:55:06,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,711 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,714 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,715 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,717 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,718 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 07:55:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 07:55:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated [2023-11-19 07:55:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post37 could not be translated [2023-11-19 07:55:06,719 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; [L927] 0 int *i,j = __VERIFIER_nondet_int(); [L927] 0 int *i,j = __VERIFIER_nondet_int(); [L928] 0 pthread_t id; [L929] COND TRUE 0 \read(j) [L929] 0 i = &data.x [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L932] EXPR 0 \read(*i) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L932] 0 (*i)++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}] Now there is a data race (on the heap) between C: (*i)++ [932] and C: data.x++ [923] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 96 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 361 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 918 IncrementalHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 32 mSDtfsCounter, 918 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1200occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:55:06,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2de01208-36ad-41e5-81a5-d249836138d8/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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