/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 12:30:45,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 12:30:45,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 12:30:45,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 12:30:45,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 12:30:45,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 12:30:45,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 12:30:45,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 12:30:45,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 12:30:45,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 12:30:45,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 12:30:45,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 12:30:45,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 12:30:45,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 12:30:45,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 12:30:45,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 12:30:45,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 12:30:45,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 12:30:45,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 12:30:45,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 12:30:45,256 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-FA-NoLbe.epf [2022-01-28 12:30:45,289 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 12:30:45,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 12:30:45,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 12:30:45,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 12:30:45,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 12:30:45,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 12:30:45,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 12:30:45,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 12:30:45,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 12:30:45,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 12:30:45,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:30:45,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 12:30:45,293 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 12:30:45,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 12:30:45,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 12:30:45,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 12:30:45,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 12:30:45,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 12:30:45,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 12:30:45,546 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 12:30:45,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-01-28 12:30:45,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/241e65489/1873c3ac3798422cbb9ccce6c7e68edf/FLAG11b5f09eb [2022-01-28 12:30:46,133 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 12:30:46,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-01-28 12:30:46,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/241e65489/1873c3ac3798422cbb9ccce6c7e68edf/FLAG11b5f09eb [2022-01-28 12:30:46,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/241e65489/1873c3ac3798422cbb9ccce6c7e68edf [2022-01-28 12:30:46,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 12:30:46,434 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 12:30:46,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 12:30:46,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 12:30:46,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 12:30:46,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:30:46" (1/1) ... [2022-01-28 12:30:46,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1305ade6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:46, skipping insertion in model container [2022-01-28 12:30:46,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:30:46" (1/1) ... [2022-01-28 12:30:46,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 12:30:46,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 12:30:46,674 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_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2022-01-28 12:30:46,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:30:46,890 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 12:30:46,899 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_67-pthread_cond_wait_unknown_1_pos.i[1103,1116] [2022-01-28 12:30:46,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:30:47,029 INFO L208 MainTranslator]: Completed translation [2022-01-28 12:30:47,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47 WrapperNode [2022-01-28 12:30:47,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 12:30:47,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 12:30:47,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 12:30:47,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 12:30:47,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,116 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-01-28 12:30:47,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 12:30:47,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 12:30:47,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 12:30:47,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 12:30:47,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 12:30:47,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 12:30:47,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 12:30:47,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 12:30:47,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (1/1) ... [2022-01-28 12:30:47,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:30:47,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 12:30:47,208 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) [2022-01-28 12:30:47,233 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 [2022-01-28 12:30:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-01-28 12:30:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-01-28 12:30:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-01-28 12:30:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-01-28 12:30:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 12:30:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 12:30:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 12:30:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 12:30:47,254 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 12:30:47,512 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 12:30:47,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 12:30:47,634 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 12:30:47,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 12:30:47,640 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 12:30:47,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:30:47 BoogieIcfgContainer [2022-01-28 12:30:47,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 12:30:47,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 12:30:47,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 12:30:47,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 12:30:47,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 12:30:46" (1/3) ... [2022-01-28 12:30:47,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbb3aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:30:47, skipping insertion in model container [2022-01-28 12:30:47,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:30:47" (2/3) ... [2022-01-28 12:30:47,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbb3aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:30:47, skipping insertion in model container [2022-01-28 12:30:47,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:30:47" (3/3) ... [2022-01-28 12:30:47,648 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_pos.i [2022-01-28 12:30:47,652 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 12:30:47,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 12:30:47,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 12:30:47,653 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 12:30:47,674 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,674 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,674 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,674 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,674 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,675 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,675 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,675 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,675 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,675 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,676 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,676 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,676 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,676 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,677 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,677 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,677 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,678 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,678 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,678 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,678 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,679 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,680 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,681 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,682 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,682 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,682 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,682 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,682 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,682 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,684 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,684 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,684 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,685 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,686 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,686 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,686 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,686 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,700 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,701 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,701 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,701 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,701 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,701 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,701 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:30:47,707 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 12:30:47,749 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 12:30:47,763 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=FINITE_AUTOMATA, 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 [2022-01-28 12:30:47,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-28 12:30:47,774 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-01-28 12:30:47,851 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 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) [2022-01-28 12:30:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 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) [2022-01-28 12:30:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-28 12:30:47,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:30:47,874 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:30:47,875 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 12:30:47,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:30:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1499020934, now seen corresponding path program 1 times [2022-01-28 12:30:47,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:30:47,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963933083] [2022-01-28 12:30:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:30:47,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:30:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:30:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:30:48,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:30:48,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963933083] [2022-01-28 12:30:48,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963933083] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:30:48,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:30:48,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 12:30:48,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601869977] [2022-01-28 12:30:48,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:30:48,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 12:30:48,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:30:48,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 12:30:48,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-28 12:30:48,436 INFO L87 Difference]: Start difference. First operand has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 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) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2022-01-28 12:30:48,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:30:48,557 INFO L93 Difference]: Finished difference Result 779 states and 1811 transitions. [2022-01-28 12:30:48,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 12:30:48,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) Word has length 57 [2022-01-28 12:30:48,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:30:48,581 INFO L225 Difference]: With dead ends: 779 [2022-01-28 12:30:48,582 INFO L226 Difference]: Without dead ends: 487 [2022-01-28 12:30:48,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-28 12:30:48,586 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:30:48,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 311 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:30:48,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-01-28 12:30:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2022-01-28 12:30:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 486 states have (on average 2.265432098765432) internal successors, (1101), 486 states have internal predecessors, (1101), 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) [2022-01-28 12:30:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 1101 transitions. [2022-01-28 12:30:48,658 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 1101 transitions. Word has length 57 [2022-01-28 12:30:48,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:30:48,659 INFO L470 AbstractCegarLoop]: Abstraction has 487 states and 1101 transitions. [2022-01-28 12:30:48,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2022-01-28 12:30:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1101 transitions. [2022-01-28 12:30:48,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-28 12:30:48,661 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:30:48,661 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:30:48,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 12:30:48,662 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 12:30:48,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:30:48,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1684441592, now seen corresponding path program 1 times [2022-01-28 12:30:48,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:30:48,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710186447] [2022-01-28 12:30:48,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:30:48,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:30:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:30:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:30:48,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:30:48,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710186447] [2022-01-28 12:30:48,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710186447] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:30:48,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:30:48,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-28 12:30:48,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071536594] [2022-01-28 12:30:48,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:30:48,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-28 12:30:48,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:30:48,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-28 12:30:48,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-01-28 12:30:48,851 INFO L87 Difference]: Start difference. First operand 487 states and 1101 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2022-01-28 12:30:48,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:30:48,932 INFO L93 Difference]: Finished difference Result 240 states and 440 transitions. [2022-01-28 12:30:48,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 12:30:48,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) Word has length 61 [2022-01-28 12:30:48,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:30:48,934 INFO L225 Difference]: With dead ends: 240 [2022-01-28 12:30:48,934 INFO L226 Difference]: Without dead ends: 168 [2022-01-28 12:30:48,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:30:48,938 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 98 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:30:48,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 399 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:30:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-01-28 12:30:48,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-01-28 12:30:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.7005988023952097) internal successors, (284), 167 states have internal predecessors, (284), 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) [2022-01-28 12:30:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 284 transitions. [2022-01-28 12:30:48,952 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 284 transitions. Word has length 61 [2022-01-28 12:30:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:30:48,953 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 284 transitions. [2022-01-28 12:30:48,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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) [2022-01-28 12:30:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 284 transitions. [2022-01-28 12:30:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-01-28 12:30:48,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:30:48,954 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:30:48,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 12:30:48,955 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 12:30:48,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:30:48,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1425925497, now seen corresponding path program 1 times [2022-01-28 12:30:48,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:30:48,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473110250] [2022-01-28 12:30:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:30:48,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:30:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 12:30:49,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 12:30:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 12:30:49,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 12:30:49,076 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 12:30:49,078 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-28 12:30:49,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-28 12:30:49,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-28 12:30:49,080 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-01-28 12:30:49,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 12:30:49,083 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-28 12:30:49,087 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 12:30:49,087 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 12:30:49,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 12:30:49 BasicIcfg [2022-01-28 12:30:49,148 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 12:30:49,149 INFO L158 Benchmark]: Toolchain (without parser) took 2714.36ms. Allocated memory was 182.5MB in the beginning and 233.8MB in the end (delta: 51.4MB). Free memory was 122.1MB in the beginning and 155.1MB in the end (delta: -33.0MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2022-01-28 12:30:49,149 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 12:30:49,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.23ms. Allocated memory was 182.5MB in the beginning and 233.8MB in the end (delta: 51.4MB). Free memory was 121.8MB in the beginning and 178.3MB in the end (delta: -56.5MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2022-01-28 12:30:49,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.18ms. Allocated memory is still 233.8MB. Free memory was 178.3MB in the beginning and 175.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-28 12:30:49,150 INFO L158 Benchmark]: Boogie Preprocessor took 50.34ms. Allocated memory is still 233.8MB. Free memory was 175.2MB in the beginning and 173.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 12:30:49,151 INFO L158 Benchmark]: RCFGBuilder took 473.46ms. Allocated memory is still 233.8MB. Free memory was 173.1MB in the beginning and 155.7MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-01-28 12:30:49,151 INFO L158 Benchmark]: TraceAbstraction took 1504.87ms. Allocated memory is still 233.8MB. Free memory was 155.3MB in the beginning and 155.1MB in the end (delta: 197.9kB). Peak memory consumption was 1.8MB. Max. memory is 8.0GB. [2022-01-28 12:30:49,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 594.23ms. Allocated memory was 182.5MB in the beginning and 233.8MB in the end (delta: 51.4MB). Free memory was 121.8MB in the beginning and 178.3MB in the end (delta: -56.5MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 86.18ms. Allocated memory is still 233.8MB. Free memory was 178.3MB in the beginning and 175.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.34ms. Allocated memory is still 233.8MB. Free memory was 175.2MB in the beginning and 173.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 473.46ms. Allocated memory is still 233.8MB. Free memory was 173.1MB in the beginning and 155.7MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1504.87ms. Allocated memory is still 233.8MB. Free memory was 155.3MB in the beginning and 155.1MB in the end (delta: 197.9kB). Peak memory consumption was 1.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1152:1151}, argv={1152:1151}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1152:1151}, argv={1152:1151}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1152:1151}, argv={1152:1151}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={7:0}, t2={6:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1152:1151}, argv={1152:1151}, cond={5:0}, g=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, ptr={0:0}, t1={7:0}, t2={6:0}] [L1365] CALL 2 __VERIFIER_assert(g == 0) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond={5:0}, cond=0, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond={5:0}, cond=0, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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. - UnprovableResult [Line: 1377]: 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 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 710 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 194 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=694occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-01-28 12:30:49,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...