./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_58-singlethreaded-lock_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_58-singlethreaded-lock_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme --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 811283da42f041f661ad39ef0db24fe32e892a6fe6ea5c83dd87a01de44d8628 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:56,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:57,117 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:59:57,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:57,125 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:57,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:57,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:57,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:57,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:57,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:57,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:57,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:57,186 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:57,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:57,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:57,189 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:57,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:57,190 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:57,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:57,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:57,191 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:57,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:57,193 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:59:57,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:57,193 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:57,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:57,194 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:57,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:57,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:57,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:57,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:57,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:57,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:57,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:57,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:57,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:57,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:57,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:57,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:57,200 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:57,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:57,200 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_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811283da42f041f661ad39ef0db24fe32e892a6fe6ea5c83dd87a01de44d8628 [2023-11-26 11:59:57,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:57,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:57,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:57,579 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:57,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:57,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2023-11-26 12:00:00,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:01,038 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:01,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/sv-benchmarks/c/goblint-regression/13-privatized_58-singlethreaded-lock_true.i [2023-11-26 12:00:01,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/data/0083bce89/a964d461aa2d449aa8515e101c9577b3/FLAG24fe002c4 [2023-11-26 12:00:01,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/data/0083bce89/a964d461aa2d449aa8515e101c9577b3 [2023-11-26 12:00:01,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:01,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:01,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:01,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:01,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:01,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b61a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01, skipping insertion in model container [2023-11-26 12:00:01,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,151 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:01,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:01,561 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:01,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:01,693 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:01,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01 WrapperNode [2023-11-26 12:00:01,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:01,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:01,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:01,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:01,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,768 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-26 12:00:01,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:01,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:01,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:01,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:01,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:01,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:01,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:01,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:01,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (1/1) ... [2023-11-26 12:00:01,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:01,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:01,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:01,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:00:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 12:00:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:00:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 12:00:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 12:00:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:00:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:00:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 12:00:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:01,900 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:00:02,050 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:02,052 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:02,200 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:02,224 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:02,224 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:00:02,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:02 BoogieIcfgContainer [2023-11-26 12:00:02,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:02,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:02,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:02,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:02,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:01" (1/3) ... [2023-11-26 12:00:02,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61487b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:02, skipping insertion in model container [2023-11-26 12:00:02,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:01" (2/3) ... [2023-11-26 12:00:02,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61487b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:02, skipping insertion in model container [2023-11-26 12:00:02,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:02" (3/3) ... [2023-11-26 12:00:02,237 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_58-singlethreaded-lock_true.i [2023-11-26 12:00:02,247 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:00:02,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:02,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 12:00:02,259 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:00:02,312 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 12:00:02,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 74 transitions, 152 flow [2023-11-26 12:00:02,424 INFO L124 PetriNetUnfolderBase]: 2/73 cut-off events. [2023-11-26 12:00:02,424 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:00:02,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2023-11-26 12:00:02,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 74 transitions, 152 flow [2023-11-26 12:00:02,432 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2023-11-26 12:00:02,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:02,451 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;@68d86ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:02,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-26 12:00:02,460 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:00:02,461 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-26 12:00:02,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:00:02,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:02,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:02,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2023-11-26 12:00:02,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:02,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2126168979, now seen corresponding path program 1 times [2023-11-26 12:00:02,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:02,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857866895] [2023-11-26 12:00:02,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:02,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:02,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:02,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857866895] [2023-11-26 12:00:02,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857866895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:02,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:02,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:02,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987923138] [2023-11-26 12:00:02,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:02,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:02,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:02,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:02,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:02,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 74 [2023-11-26 12:00:02,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 52 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2023-11-26 12:00:02,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:02,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 74 [2023-11-26 12:00:02,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:02,906 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2023-11-26 12:00:02,906 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 12:00:02,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 51 events. 0/51 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-11-26 12:00:02,908 INFO L140 encePairwiseOnDemand]: 71/74 looper letters, 10 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2023-11-26 12:00:02,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 51 transitions, 129 flow [2023-11-26 12:00:02,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:00:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2023-11-26 12:00:02,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8288288288288288 [2023-11-26 12:00:02,925 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 184 transitions. [2023-11-26 12:00:02,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 184 transitions. [2023-11-26 12:00:02,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:02,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 184 transitions. [2023-11-26 12:00:02,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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) [2023-11-26 12:00:02,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:02,945 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:02,947 INFO L175 Difference]: Start difference. First operand has 56 places, 52 transitions, 107 flow. Second operand 3 states and 184 transitions. [2023-11-26 12:00:02,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 51 transitions, 129 flow [2023-11-26 12:00:02,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 51 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:00:02,958 INFO L231 Difference]: Finished difference. Result has 56 places, 51 transitions, 108 flow [2023-11-26 12:00:02,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=56, PETRI_TRANSITIONS=51} [2023-11-26 12:00:02,965 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, 0 predicate places. [2023-11-26 12:00:02,965 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 51 transitions, 108 flow [2023-11-26 12:00:02,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2023-11-26 12:00:02,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:02,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:02,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:00:02,968 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2023-11-26 12:00:02,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:02,970 INFO L85 PathProgramCache]: Analyzing trace with hash 709805222, now seen corresponding path program 1 times [2023-11-26 12:00:02,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:02,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163757076] [2023-11-26 12:00:02,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:02,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:03,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:03,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163757076] [2023-11-26 12:00:03,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163757076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:03,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:03,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:03,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184293245] [2023-11-26 12:00:03,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:03,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:03,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:03,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:03,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:03,109 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 74 [2023-11-26 12:00:03,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 51 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-26 12:00:03,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:03,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 74 [2023-11-26 12:00:03,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:03,148 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2023-11-26 12:00:03,149 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 12:00:03,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 50 events. 0/50 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-11-26 12:00:03,150 INFO L140 encePairwiseOnDemand]: 71/74 looper letters, 10 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2023-11-26 12:00:03,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 50 transitions, 130 flow [2023-11-26 12:00:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:00:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2023-11-26 12:00:03,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8288288288288288 [2023-11-26 12:00:03,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 184 transitions. [2023-11-26 12:00:03,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 184 transitions. [2023-11-26 12:00:03,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:03,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 184 transitions. [2023-11-26 12:00:03,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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) [2023-11-26 12:00:03,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:03,161 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:03,162 INFO L175 Difference]: Start difference. First operand has 56 places, 51 transitions, 108 flow. Second operand 3 states and 184 transitions. [2023-11-26 12:00:03,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 50 transitions, 130 flow [2023-11-26 12:00:03,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:00:03,166 INFO L231 Difference]: Finished difference. Result has 55 places, 50 transitions, 106 flow [2023-11-26 12:00:03,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=55, PETRI_TRANSITIONS=50} [2023-11-26 12:00:03,167 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -1 predicate places. [2023-11-26 12:00:03,168 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 106 flow [2023-11-26 12:00:03,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-11-26 12:00:03,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:03,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:03,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:00:03,170 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2023-11-26 12:00:03,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:03,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1186868692, now seen corresponding path program 1 times [2023-11-26 12:00:03,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:03,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857075670] [2023-11-26 12:00:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:03,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:03,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:03,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857075670] [2023-11-26 12:00:03,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857075670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:03,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:03,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:03,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092854360] [2023-11-26 12:00:03,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:03,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:03,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:03,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 74 [2023-11-26 12:00:03,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2023-11-26 12:00:03,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:03,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 74 [2023-11-26 12:00:03,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:03,410 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2023-11-26 12:00:03,410 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 12:00:03,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 49 events. 0/49 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2023-11-26 12:00:03,411 INFO L140 encePairwiseOnDemand]: 71/74 looper letters, 10 selfloop transitions, 2 changer transitions 0/49 dead transitions. [2023-11-26 12:00:03,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 128 flow [2023-11-26 12:00:03,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:00:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2023-11-26 12:00:03,414 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8288288288288288 [2023-11-26 12:00:03,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 184 transitions. [2023-11-26 12:00:03,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 184 transitions. [2023-11-26 12:00:03,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:03,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 184 transitions. [2023-11-26 12:00:03,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 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) [2023-11-26 12:00:03,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:03,419 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:03,420 INFO L175 Difference]: Start difference. First operand has 55 places, 50 transitions, 106 flow. Second operand 3 states and 184 transitions. [2023-11-26 12:00:03,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 128 flow [2023-11-26 12:00:03,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 49 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:00:03,438 INFO L231 Difference]: Finished difference. Result has 54 places, 49 transitions, 104 flow [2023-11-26 12:00:03,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2023-11-26 12:00:03,439 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -2 predicate places. [2023-11-26 12:00:03,439 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 104 flow [2023-11-26 12:00:03,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2023-11-26 12:00:03,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:00:03,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:03,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:00:03,441 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 2 more)] === [2023-11-26 12:00:03,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:03,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1834562333, now seen corresponding path program 1 times [2023-11-26 12:00:03,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:03,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180449436] [2023-11-26 12:00:03,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:03,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:03,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180449436] [2023-11-26 12:00:03,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180449436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:03,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:03,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:03,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550970517] [2023-11-26 12:00:03,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:03,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:03,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:03,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:03,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:03,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 74 [2023-11-26 12:00:03,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-26 12:00:03,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:00:03,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 74 [2023-11-26 12:00:03,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:00:03,545 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2023-11-26 12:00:03,545 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 12:00:03,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 48 events. 0/48 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 1/49 useless extension candidates. Maximal degree in co-relation 0. Up to 8 conditions per place. [2023-11-26 12:00:03,546 INFO L140 encePairwiseOnDemand]: 72/74 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2023-11-26 12:00:03,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 48 transitions, 118 flow [2023-11-26 12:00:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:03,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:00:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2023-11-26 12:00:03,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2023-11-26 12:00:03,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2023-11-26 12:00:03,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2023-11-26 12:00:03,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:00:03,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2023-11-26 12:00:03,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-26 12:00:03,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:03,551 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 74.0) internal successors, (296), 4 states have internal predecessors, (296), 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) [2023-11-26 12:00:03,551 INFO L175 Difference]: Start difference. First operand has 54 places, 49 transitions, 104 flow. Second operand 3 states and 192 transitions. [2023-11-26 12:00:03,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 48 transitions, 118 flow [2023-11-26 12:00:03,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:00:03,553 INFO L231 Difference]: Finished difference. Result has 53 places, 0 transitions, 0 flow [2023-11-26 12:00:03,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=53, PETRI_TRANSITIONS=0} [2023-11-26 12:00:03,554 INFO L281 CegarLoopForPetriNet]: 56 programPoint places, -3 predicate places. [2023-11-26 12:00:03,554 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 0 transitions, 0 flow [2023-11-26 12:00:03,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-26 12:00:03,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2023-11-26 12:00:03,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2023-11-26 12:00:03,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2023-11-26 12:00:03,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2023-11-26 12:00:03,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-11-26 12:00:03,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:00:03,558 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 12:00:03,562 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 12:00:03,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:00:03,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:03 BasicIcfg [2023-11-26 12:00:03,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:03,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:03,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:03,569 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:03,570 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:02" (3/4) ... [2023-11-26 12:00:03,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:00:03,575 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 12:00:03,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-26 12:00:03,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:00:03,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 12:00:03,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:00:03,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:00:03,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:00:03,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:03,656 INFO L158 Benchmark]: Toolchain (without parser) took 2584.21ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 72.4MB in the beginning and 102.5MB in the end (delta: -30.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,657 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:03,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.80ms. Allocated memory is still 119.5MB. Free memory was 72.4MB in the beginning and 53.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.01ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 53.0MB in the beginning and 121.9MB in the end (delta: -68.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,658 INFO L158 Benchmark]: Boogie Preprocessor took 25.69ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 120.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:03,659 INFO L158 Benchmark]: RCFGBuilder took 431.19ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 109.2MB in the end (delta: 11.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,659 INFO L158 Benchmark]: TraceAbstraction took 1338.58ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 106.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,659 INFO L158 Benchmark]: Witness Printer took 86.83ms. Allocated memory is still 151.0MB. Free memory was 106.7MB in the beginning and 102.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:03,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.80ms. Allocated memory is still 119.5MB. Free memory was 72.4MB in the beginning and 53.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.01ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 53.0MB in the beginning and 121.9MB in the end (delta: -68.9MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.69ms. Allocated memory is still 151.0MB. Free memory was 121.9MB in the beginning and 120.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.19ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 109.2MB in the end (delta: 11.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1338.58ms. Allocated memory is still 151.0MB. Free memory was 109.2MB in the beginning and 106.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 86.83ms. Allocated memory is still 151.0MB. Free memory was 106.7MB in the beginning and 102.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 78 locations, 5 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 34 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 12:00:03,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098a7dc3-7279-47ff-b8bb-91c99d903945/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE