/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 19:03:42,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 19:03:42,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 19:03:42,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 19:03:42,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 19:03:42,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 19:03:42,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 19:03:42,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 19:03:42,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 19:03:42,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 19:03:42,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 19:03:42,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 19:03:42,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 19:03:42,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 19:03:42,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 19:03:42,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 19:03:42,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 19:03:42,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 19:03:42,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 19:03:42,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 19:03:42,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 19:03:42,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 19:03:42,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 19:03:42,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 19:03:42,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-27 19:03:42,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-27 19:03:42,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-27 19:03:42,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-27 19:03:42,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-27 19:03:42,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-27 19:03:42,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 19:03:42,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 19:03:42,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 19:03:42,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 19:03:42,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 19:03:42,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 19:03:42,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 19:03:42,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 19:03:42,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 19:03:42,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 19:03:42,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 19:03:42,264 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-27 19:03:42,300 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 19:03:42,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 19:03:42,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 19:03:42,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 19:03:42,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 19:03:42,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 19:03:42,302 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 19:03:42,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 19:03:42,302 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 19:03:42,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 19:03:42,303 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 19:03:42,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 19:03:42,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 19:03:42,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 19:03:42,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 19:03:42,305 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 19:03:42,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 19:03:42,305 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 19:03:42,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 19:03:42,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 19:03:42,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 19:03:42,625 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 19:03:42,625 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 19:03:42,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-01-27 19:03:44,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 19:03:44,427 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 19:03:44,427 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-01-27 19:03:44,438 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8464ae3/a5469ddc0c4e4221a7ac96d9458a7746/FLAGeee3759d5 [2023-01-27 19:03:44,454 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8464ae3/a5469ddc0c4e4221a7ac96d9458a7746 [2023-01-27 19:03:44,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 19:03:44,458 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 19:03:44,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 19:03:44,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 19:03:44,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 19:03:44,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 07:03:44" (1/1) ... [2023-01-27 19:03:44,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad54e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:44, skipping insertion in model container [2023-01-27 19:03:44,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 07:03:44" (1/1) ... [2023-01-27 19:03:44,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 19:03:44,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 19:03:44,769 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2023-01-27 19:03:44,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 19:03:44,953 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 19:03:44,987 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i[1097,1110] [2023-01-27 19:03:45,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 19:03:45,080 INFO L208 MainTranslator]: Completed translation [2023-01-27 19:03:45,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45 WrapperNode [2023-01-27 19:03:45,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 19:03:45,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 19:03:45,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 19:03:45,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 19:03:45,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,138 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-01-27 19:03:45,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 19:03:45,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 19:03:45,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 19:03:45,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 19:03:45,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,162 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 19:03:45,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 19:03:45,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 19:03:45,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 19:03:45,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (1/1) ... [2023-01-27 19:03:45,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 19:03:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 19:03:45,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-27 19:03:45,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-27 19:03:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 19:03:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-27 19:03:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 19:03:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 19:03:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-27 19:03:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-27 19:03:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 19:03:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 19:03:45,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 19:03:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 19:03:45,290 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 19:03:45,494 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 19:03:45,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 19:03:45,726 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 19:03:45,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 19:03:45,734 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-27 19:03:45,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 07:03:45 BoogieIcfgContainer [2023-01-27 19:03:45,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 19:03:45,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 19:03:45,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 19:03:45,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 19:03:45,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 07:03:44" (1/3) ... [2023-01-27 19:03:45,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55671dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 07:03:45, skipping insertion in model container [2023-01-27 19:03:45,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 07:03:45" (2/3) ... [2023-01-27 19:03:45,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55671dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 07:03:45, skipping insertion in model container [2023-01-27 19:03:45,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 07:03:45" (3/3) ... [2023-01-27 19:03:45,740 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-01-27 19:03:45,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 19:03:45,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-27 19:03:45,753 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 19:03:45,804 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-27 19:03:45,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 60 transitions, 125 flow [2023-01-27 19:03:45,867 INFO L130 PetriNetUnfolder]: 1/59 cut-off events. [2023-01-27 19:03:45,867 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:03:45,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-01-27 19:03:45,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 60 transitions, 125 flow [2023-01-27 19:03:45,873 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 51 transitions, 105 flow [2023-01-27 19:03:45,875 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 19:03:45,887 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 51 transitions, 105 flow [2023-01-27 19:03:45,890 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 51 transitions, 105 flow [2023-01-27 19:03:45,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 51 transitions, 105 flow [2023-01-27 19:03:45,912 INFO L130 PetriNetUnfolder]: 0/51 cut-off events. [2023-01-27 19:03:45,912 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:03:45,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 0/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 19 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-01-27 19:03:45,913 INFO L119 LiptonReduction]: Number of co-enabled transitions 240 [2023-01-27 19:03:48,070 INFO L134 LiptonReduction]: Checked pairs total: 592 [2023-01-27 19:03:48,070 INFO L136 LiptonReduction]: Total number of compositions: 40 [2023-01-27 19:03:48,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 19:03:48,084 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@55536a5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 19:03:48,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-01-27 19:03:48,087 INFO L130 PetriNetUnfolder]: 0/9 cut-off events. [2023-01-27 19:03:48,087 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 19:03:48,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 19:03:48,088 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-01-27 19:03:48,088 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-27 19:03:48,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 19:03:48,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1761964991, now seen corresponding path program 1 times [2023-01-27 19:03:48,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 19:03:48,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540826133] [2023-01-27 19:03:48,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 19:03:48,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 19:03:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:03:48,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-27 19:03:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-27 19:03:48,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-27 19:03:48,363 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-27 19:03:48,364 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-01-27 19:03:48,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-01-27 19:03:48,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 19:03:48,368 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 19:03:48,375 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-27 19:03:48,375 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 19:03:48,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 07:03:48 BasicIcfg [2023-01-27 19:03:48,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 19:03:48,392 INFO L158 Benchmark]: Toolchain (without parser) took 3933.59ms. Allocated memory is still 450.9MB. Free memory was 396.4MB in the beginning and 284.1MB in the end (delta: 112.3MB). Peak memory consumption was 113.3MB. Max. memory is 16.0GB. [2023-01-27 19:03:48,392 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 310.4MB. Free memory is still 257.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 19:03:48,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.35ms. Allocated memory is still 450.9MB. Free memory was 396.4MB in the beginning and 377.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-27 19:03:48,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.23ms. Allocated memory is still 450.9MB. Free memory was 377.6MB in the beginning and 375.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 19:03:48,397 INFO L158 Benchmark]: Boogie Preprocessor took 24.77ms. Allocated memory is still 450.9MB. Free memory was 375.9MB in the beginning and 374.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 19:03:48,397 INFO L158 Benchmark]: RCFGBuilder took 570.92ms. Allocated memory is still 450.9MB. Free memory was 374.4MB in the beginning and 361.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-27 19:03:48,398 INFO L158 Benchmark]: TraceAbstraction took 2654.60ms. Allocated memory is still 450.9MB. Free memory was 361.3MB in the beginning and 284.1MB in the end (delta: 77.2MB). Peak memory consumption was 77.7MB. Max. memory is 16.0GB. [2023-01-27 19:03:48,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 310.4MB. Free memory is still 257.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 619.35ms. Allocated memory is still 450.9MB. Free memory was 396.4MB in the beginning and 377.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 44.23ms. Allocated memory is still 450.9MB. Free memory was 377.6MB in the beginning and 375.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 24.77ms. Allocated memory is still 450.9MB. Free memory was 375.9MB in the beginning and 374.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 570.92ms. Allocated memory is still 450.9MB. Free memory was 374.4MB in the beginning and 361.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 2654.60ms. Allocated memory is still 450.9MB. Free memory was 361.3MB in the beginning and 284.1MB in the end (delta: 77.2MB). Peak memory consumption was 77.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 55 PlacesBefore, 15 PlacesAfterwards, 51 TransitionsBefore, 11 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 40 TotalNumberOfCompositions, 592 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 269, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 126, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 269, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 126, unknown conditional: 0, unknown unconditional: 126] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L693] 0 pthread_t id; [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, D={4:0}, arg={0:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L698] CALL 0 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [A={3:0}, D={4:0}, \old(cond)=0, arg={0:0}, cond=0, g=0] - UnprovableResult [Line: 694]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 72 locations, 2 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: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-01-27 19:03:48,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...