/usr/bin/java -Xmx8000000000 -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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 05:07:09,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 05:07:09,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 05:07:09,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 05:07:09,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 05:07:09,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 05:07:09,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 05:07:09,270 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-MCRwithDepranks.epf [2022-01-29 05:07:09,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 05:07:09,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 05:07:09,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 05:07:09,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 05:07:09,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 05:07:09,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 05:07:09,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 05:07:09,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 05:07:09,289 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 05:07:09,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 05:07:09,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 05:07:09,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 05:07:09,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 05:07:09,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 05:07:09,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 05:07:09,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 05:07:09,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 05:07:09,291 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 05:07:09,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 05:07:09,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 05:07:09,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 05:07:09,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 05:07:09,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 05:07:09,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 05:07:09,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 05:07:09,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 05:07:09,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 05:07:09,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 05:07:09,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 05:07:09,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 05:07:09,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 05:07:09,293 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 05:07:09,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 05:07:09,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 05:07:09,293 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-01-29 05:07:09,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 05:07:09,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 05:07:09,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 05:07:09,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 05:07:09,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-29 05:07:09,530 INFO L275 PluginConnector]: CDTParser initialized [2022-01-29 05:07:09,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2022-01-29 05:07:09,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1c3d7c2/42f9d0121e8a4733b446c2332f652732/FLAG20f3bf0de [2022-01-29 05:07:10,069 INFO L306 CDTParser]: Found 1 translation units. [2022-01-29 05:07:10,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2022-01-29 05:07:10,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1c3d7c2/42f9d0121e8a4733b446c2332f652732/FLAG20f3bf0de [2022-01-29 05:07:10,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba1c3d7c2/42f9d0121e8a4733b446c2332f652732 [2022-01-29 05:07:10,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 05:07:10,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-29 05:07:10,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-29 05:07:10,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-29 05:07:10,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-29 05:07:10,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:10,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2c5431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10, skipping insertion in model container [2022-01-29 05:07:10,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:10,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-29 05:07:10,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-29 05:07:10,757 WARN L230 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_38-traces-ex-4-switch_true.i[1095,1108] [2022-01-29 05:07:10,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 05:07:10,878 INFO L203 MainTranslator]: Completed pre-run [2022-01-29 05:07:10,891 WARN L230 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_38-traces-ex-4-switch_true.i[1095,1108] [2022-01-29 05:07:10,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-29 05:07:10,971 INFO L208 MainTranslator]: Completed translation [2022-01-29 05:07:10,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10 WrapperNode [2022-01-29 05:07:10,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-29 05:07:10,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 05:07:10,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 05:07:10,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 05:07:10,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,025 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-01-29 05:07:11,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 05:07:11,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 05:07:11,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 05:07:11,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 05:07:11,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 05:07:11,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 05:07:11,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 05:07:11,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 05:07:11,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (1/1) ... [2022-01-29 05:07:11,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 05:07:11,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 05:07:11,084 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) [2022-01-29 05:07:11,111 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 [2022-01-29 05:07:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-29 05:07:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-29 05:07:11,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-29 05:07:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-29 05:07:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-29 05:07:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-29 05:07:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-29 05:07:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-29 05:07:11,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 05:07:11,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 05:07:11,130 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 05:07:11,254 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 05:07:11,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 05:07:11,395 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 05:07:11,401 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 05:07:11,401 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 05:07:11,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 05:07:11 BoogieIcfgContainer [2022-01-29 05:07:11,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 05:07:11,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 05:07:11,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 05:07:11,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 05:07:11,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 05:07:10" (1/3) ... [2022-01-29 05:07:11,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf0493a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 05:07:11, skipping insertion in model container [2022-01-29 05:07:11,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 05:07:10" (2/3) ... [2022-01-29 05:07:11,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf0493a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 05:07:11, skipping insertion in model container [2022-01-29 05:07:11,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 05:07:11" (3/3) ... [2022-01-29 05:07:11,409 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2022-01-29 05:07:11,413 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 05:07:11,413 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 05:07:11,413 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 05:07:11,414 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 05:07:11,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,435 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,436 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,436 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,442 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 05:07:11,445 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-29 05:07:11,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 05:07:11,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 05:07:11,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-29 05:07:11,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-29 05:07:11,514 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 05:07:11,519 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mLoopAccelerationTechnique=FAST_UPR [2022-01-29 05:07:11,520 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-29 05:07:11,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 05:07:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:07:11,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1163219958, now seen corresponding path program 1 times [2022-01-29 05:07:11,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:07:11,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650623448] [2022-01-29 05:07:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:07:11,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:07:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:07:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:07:11,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:07:11,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650623448] [2022-01-29 05:07:11,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650623448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 05:07:11,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 05:07:11,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-29 05:07:11,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872792357] [2022-01-29 05:07:11,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 05:07:11,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-29 05:07:11,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:07:11,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-29 05:07:11,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-29 05:07:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:11,997 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:07:11,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2022-01-29 05:07:11,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 05:07:12,147 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 05:07:12,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:07:12,149 INFO L85 PathProgramCache]: Analyzing trace with hash 728458739, now seen corresponding path program 1 times [2022-01-29 05:07:12,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:07:12,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975890782] [2022-01-29 05:07:12,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:07:12,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:07:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:07:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:07:12,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:07:12,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975890782] [2022-01-29 05:07:12,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975890782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 05:07:12,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 05:07:12,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 05:07:12,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316206215] [2022-01-29 05:07:12,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 05:07:12,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 05:07:12,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:07:12,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 05:07:12,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 05:07:12,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:07:12,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2022-01-29 05:07:12,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 05:07:12,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 05:07:12,312 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 05:07:12,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:07:12,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1505524738, now seen corresponding path program 1 times [2022-01-29 05:07:12,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:07:12,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158755723] [2022-01-29 05:07:12,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:07:12,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:07:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:07:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:07:12,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:07:12,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158755723] [2022-01-29 05:07:12,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158755723] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 05:07:12,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 05:07:12,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-29 05:07:12,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780422583] [2022-01-29 05:07:12,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 05:07:12,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 05:07:12,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:07:12,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 05:07:12,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-29 05:07:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:07:12,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2022-01-29 05:07:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 05:07:12,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 05:07:12,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 05:07:12,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-29 05:07:12,568 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 05:07:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 05:07:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1466632032, now seen corresponding path program 2 times [2022-01-29 05:07:12,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 05:07:12,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352180738] [2022-01-29 05:07:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 05:07:12,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 05:07:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 05:07:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 05:07:12,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 05:07:12,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352180738] [2022-01-29 05:07:12,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352180738] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 05:07:12,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 05:07:12,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-29 05:07:12,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475408978] [2022-01-29 05:07:12,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 05:07:12,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-29 05:07:12,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 05:07:12,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-29 05:07:12,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-29 05:07:12,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 05:07:12,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2022-01-29 05:07:12,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 05:07:12,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-29 05:07:12,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 05:07:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-29 05:07:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 05:07:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 05:07:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-29 05:07:12,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-29 05:07:12,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-29 05:07:12,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-29 05:07:12,852 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-01-29 05:07:12,854 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 05:07:12,854 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 05:07:12,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 05:07:12 BasicIcfg [2022-01-29 05:07:12,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 05:07:12,860 INFO L158 Benchmark]: Toolchain (without parser) took 2287.50ms. Allocated memory was 196.1MB in the beginning and 303.0MB in the end (delta: 107.0MB). Free memory was 139.5MB in the beginning and 144.1MB in the end (delta: -4.6MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB. [2022-01-29 05:07:12,860 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 05:07:12,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.84ms. Allocated memory was 196.1MB in the beginning and 303.0MB in the end (delta: 107.0MB). Free memory was 139.2MB in the beginning and 266.8MB in the end (delta: -127.6MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2022-01-29 05:07:12,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.70ms. Allocated memory is still 303.0MB. Free memory was 266.8MB in the beginning and 264.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 05:07:12,862 INFO L158 Benchmark]: Boogie Preprocessor took 27.35ms. Allocated memory is still 303.0MB. Free memory was 264.7MB in the beginning and 263.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 05:07:12,864 INFO L158 Benchmark]: RCFGBuilder took 348.97ms. Allocated memory is still 303.0MB. Free memory was 263.7MB in the beginning and 251.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-29 05:07:12,867 INFO L158 Benchmark]: TraceAbstraction took 1452.27ms. Allocated memory is still 303.0MB. Free memory was 250.5MB in the beginning and 144.1MB in the end (delta: 106.4MB). Peak memory consumption was 107.0MB. Max. memory is 8.0GB. [2022-01-29 05:07:12,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.84ms. Allocated memory was 196.1MB in the beginning and 303.0MB in the end (delta: 107.0MB). Free memory was 139.2MB in the beginning and 266.8MB in the end (delta: -127.6MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.70ms. Allocated memory is still 303.0MB. Free memory was 266.8MB in the beginning and 264.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.35ms. Allocated memory is still 303.0MB. Free memory was 264.7MB in the beginning and 263.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 348.97ms. Allocated memory is still 303.0MB. Free memory was 263.7MB in the beginning and 251.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1452.27ms. Allocated memory is still 303.0MB. Free memory was 250.5MB in the beginning and 144.1MB in the end (delta: 106.4MB). Peak memory consumption was 107.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 0.5s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 549 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-29 05:07:12,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-29 05:07:13,107 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...