/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 02:12:35,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 02:12:35,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 02:12:35,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 02:12:35,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 02:12:35,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 02:12:35,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 02:12:35,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 02:12:35,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 02:12:35,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 02:12:35,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 02:12:35,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 02:12:35,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 02:12:35,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 02:12:35,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 02:12:35,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 02:12:35,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 02:12:35,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 02:12:35,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 02:12:35,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 02:12:35,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 02:12:35,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 02:12:35,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 02:12:35,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 02:12:35,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 02:12:35,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 02:12:35,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 02:12:35,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 02:12:35,257 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-11-14 02:12:35,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 02:12:35,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 02:12:35,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 02:12:35,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 02:12:35,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 02:12:35,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 02:12:35,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 02:12:35,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 02:12:35,277 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 02:12:35,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 02:12:35,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 02:12:35,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 02:12:35,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 02:12:35,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 02:12:35,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 02:12:35,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 02:12:35,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 02:12:35,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 02:12:35,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 02:12:35,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 02:12:35,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 02:12:35,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 02:12:35,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 02:12:35,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 02:12:35,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 02:12:35,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 02:12:35,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 02:12:35,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 02:12:35,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 02:12:35,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 02:12:35,281 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-11-14 02:12:35,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 02:12:35,281 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 02:12:35,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 02:12:35,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 02:12:35,282 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 02:12:35,282 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 02:12:35,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 02:12:35,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 02:12:35,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 02:12:35,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 02:12:35,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 02:12:35,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 02:12:35,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2021-11-14 02:12:35,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e16cfef/7d7def598bb044f2acf1b0184b738a04/FLAG6a3bef2f2 [2021-11-14 02:12:36,027 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 02:12:36,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2021-11-14 02:12:36,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e16cfef/7d7def598bb044f2acf1b0184b738a04/FLAG6a3bef2f2 [2021-11-14 02:12:36,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e16cfef/7d7def598bb044f2acf1b0184b738a04 [2021-11-14 02:12:36,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 02:12:36,351 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 02:12:36,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 02:12:36,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 02:12:36,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 02:12:36,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28dacffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36, skipping insertion in model container [2021-11-14 02:12:36,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 02:12:36,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 02:12:36,571 WARN L228 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_33-traces-v-matters_true.i[1093,1106] [2021-11-14 02:12:36,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 02:12:36,680 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 02:12:36,690 WARN L228 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_33-traces-v-matters_true.i[1093,1106] [2021-11-14 02:12:36,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 02:12:36,771 INFO L208 MainTranslator]: Completed translation [2021-11-14 02:12:36,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36 WrapperNode [2021-11-14 02:12:36,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 02:12:36,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 02:12:36,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 02:12:36,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 02:12:36,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 02:12:36,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 02:12:36,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 02:12:36,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 02:12:36,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 02:12:36,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 02:12:36,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 02:12:36,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 02:12:36,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (1/1) ... [2021-11-14 02:12:36,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 02:12:36,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 02:12:36,901 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) [2021-11-14 02:12:36,927 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 [2021-11-14 02:12:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 02:12:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-14 02:12:36,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 02:12:36,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 02:12:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-14 02:12:36,950 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-14 02:12:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 02:12:36,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 02:12:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 02:12:36,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 02:12:36,952 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 02:12:37,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 02:12:37,270 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 02:12:37,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:12:37 BoogieIcfgContainer [2021-11-14 02:12:37,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 02:12:37,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 02:12:37,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 02:12:37,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 02:12:37,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:12:36" (1/3) ... [2021-11-14 02:12:37,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5edaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:12:37, skipping insertion in model container [2021-11-14 02:12:37,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:12:36" (2/3) ... [2021-11-14 02:12:37,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5edaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:12:37, skipping insertion in model container [2021-11-14 02:12:37,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:12:37" (3/3) ... [2021-11-14 02:12:37,279 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2021-11-14 02:12:37,283 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 02:12:37,284 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 02:12:37,284 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 02:12:37,284 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 02:12:37,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,314 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,315 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,315 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,315 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,315 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,315 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,316 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,317 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,325 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,327 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 02:12:37,330 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-14 02:12:37,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 02:12:37,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 02:12:37,367 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) [2021-11-14 02:12:37,369 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 [2021-11-14 02:12:37,400 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 02:12:37,404 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 [2021-11-14 02:12:37,404 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-14 02:12:37,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:37,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:37,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1111010243, now seen corresponding path program 1 times [2021-11-14 02:12:37,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:37,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560379246] [2021-11-14 02:12:37,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:37,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:37,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:37,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560379246] [2021-11-14 02:12:37,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560379246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:37,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:37,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 02:12:37,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514662526] [2021-11-14 02:12:37,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:37,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 02:12:37,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:37,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 02:12:37,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 02:12:37,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:37,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:37,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-14 02:12:37,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 02:12:38,048 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:38,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:38,049 INFO L85 PathProgramCache]: Analyzing trace with hash -846255093, now seen corresponding path program 2 times [2021-11-14 02:12:38,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:38,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975719925] [2021-11-14 02:12:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:38,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:38,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:38,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:38,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975719925] [2021-11-14 02:12:38,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975719925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:38,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:38,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-14 02:12:38,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087628126] [2021-11-14 02:12:38,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:38,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-14 02:12:38,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:38,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-14 02:12:38,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-14 02:12:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:38,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2021-11-14 02:12:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:38,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 02:12:38,338 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:38,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash 304271607, now seen corresponding path program 3 times [2021-11-14 02:12:38,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:38,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924225290] [2021-11-14 02:12:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:38,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:38,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:38,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924225290] [2021-11-14 02:12:38,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924225290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:38,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:38,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-14 02:12:38,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400453888] [2021-11-14 02:12:38,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:38,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-14 02:12:38,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:38,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-14 02:12:38,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-14 02:12:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:38,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-14 02:12:38,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:38,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 02:12:38,436 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-14 02:12:38,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 02:12:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2050200869, now seen corresponding path program 4 times [2021-11-14 02:12:38,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 02:12:38,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431248245] [2021-11-14 02:12:38,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 02:12:38,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 02:12:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 02:12:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 02:12:38,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 02:12:38,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431248245] [2021-11-14 02:12:38,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431248245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 02:12:38,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 02:12:38,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 02:12:38,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829393191] [2021-11-14 02:12:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 02:12:38,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 02:12:38,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 02:12:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 02:12:38,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-14 02:12:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 02:12:38,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-11-14 02:12:38,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 02:12:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 02:12:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-14 02:12:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-14 02:12:38,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-14 02:12:38,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-11-14 02:12:38,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 02:12:38,835 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2021-11-14 02:12:38,837 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 02:12:38,839 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 02:12:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:12:38 BasicIcfg [2021-11-14 02:12:38,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 02:12:38,843 INFO L158 Benchmark]: Toolchain (without parser) took 2491.44ms. Allocated memory was 352.3MB in the beginning and 474.0MB in the end (delta: 121.6MB). Free memory was 296.9MB in the beginning and 372.4MB in the end (delta: -75.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.0GB. [2021-11-14 02:12:38,843 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 352.3MB. Free memory is still 314.6MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 02:12:38,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.72ms. Allocated memory was 352.3MB in the beginning and 474.0MB in the end (delta: 121.6MB). Free memory was 296.8MB in the beginning and 435.1MB in the end (delta: -138.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.0GB. [2021-11-14 02:12:38,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.06ms. Allocated memory is still 474.0MB. Free memory was 435.1MB in the beginning and 433.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 02:12:38,849 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 474.0MB. Free memory was 433.3MB in the beginning and 431.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 02:12:38,850 INFO L158 Benchmark]: RCFGBuilder took 411.38ms. Allocated memory is still 474.0MB. Free memory was 431.9MB in the beginning and 420.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2021-11-14 02:12:38,850 INFO L158 Benchmark]: TraceAbstraction took 1569.04ms. Allocated memory is still 474.0MB. Free memory was 419.3MB in the beginning and 372.4MB in the end (delta: 46.9MB). Peak memory consumption was 47.9MB. Max. memory is 16.0GB. [2021-11-14 02:12:38,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 352.3MB. Free memory is still 314.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 416.72ms. Allocated memory was 352.3MB in the beginning and 474.0MB in the end (delta: 121.6MB). Free memory was 296.8MB in the beginning and 435.1MB in the end (delta: -138.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 56.06ms. Allocated memory is still 474.0MB. Free memory was 435.1MB in the beginning and 433.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 474.0MB. Free memory was 433.3MB in the beginning and 431.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 411.38ms. Allocated memory is still 474.0MB. Free memory was 431.9MB in the beginning and 420.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 1569.04ms. Allocated memory is still 474.0MB. Free memory was 419.3MB in the beginning and 372.4MB in the end (delta: 46.9MB). Peak memory consumption was 47.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 843, positive: 795, positive conditional: 301, positive unconditional: 494, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 843, positive: 795, positive conditional: 301, positive unconditional: 494, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 843, positive: 795, positive conditional: 301, positive unconditional: 494, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 868, positive: 795, positive conditional: 239, positive unconditional: 556, negative: 73, negative conditional: 25, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 868, positive: 795, positive conditional: 148, positive unconditional: 647, negative: 73, negative conditional: 15, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 868, positive: 795, positive conditional: 148, positive unconditional: 647, negative: 73, negative conditional: 15, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 526, positive: 495, positive conditional: 1, positive unconditional: 494, negative: 31, negative conditional: 6, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 526, positive: 470, positive conditional: 0, positive unconditional: 470, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 25, positive conditional: 1, positive unconditional: 24, negative: 31, negative conditional: 6, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 112, positive conditional: 2, positive unconditional: 110, negative: 92, negative conditional: 10, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 868, positive: 300, positive conditional: 147, positive unconditional: 153, negative: 42, negative conditional: 9, negative unconditional: 33, unknown: 526, unknown conditional: 7, unknown unconditional: 519] , Statistics on independence cache: Total cache size (in pairs): 526, Positive cache size: 495, Positive conditional cache size: 1, Positive unconditional cache size: 494, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Eliminated conditions: 101, Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 249.27ms, Number of persistent set computation: 184, Number of trivial persistent sets: 164, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 519, positive: 494, positive conditional: 0, positive unconditional: 494, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 843, positive: 795, positive conditional: 301, positive unconditional: 494, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 843, positive: 795, positive conditional: 301, positive unconditional: 494, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 843, positive: 795, positive conditional: 301, positive unconditional: 494, negative: 48, negative conditional: 23, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 868, positive: 795, positive conditional: 239, positive unconditional: 556, negative: 73, negative conditional: 25, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 868, positive: 795, positive conditional: 148, positive unconditional: 647, negative: 73, negative conditional: 15, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 868, positive: 795, positive conditional: 148, positive unconditional: 647, negative: 73, negative conditional: 15, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 526, positive: 495, positive conditional: 1, positive unconditional: 494, negative: 31, negative conditional: 6, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 526, positive: 470, positive conditional: 0, positive unconditional: 470, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 25, positive conditional: 1, positive unconditional: 24, negative: 31, negative conditional: 6, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 112, positive conditional: 2, positive unconditional: 110, negative: 92, negative conditional: 10, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 868, positive: 300, positive conditional: 147, positive unconditional: 153, negative: 42, negative conditional: 9, negative unconditional: 33, unknown: 526, unknown conditional: 7, unknown unconditional: 519] , Statistics on independence cache: Total cache size (in pairs): 526, Positive cache size: 495, Positive conditional cache size: 1, Positive unconditional cache size: 494, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Eliminated conditions: 101, Maximal queried relation: 3, 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 91 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 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! [2021-11-14 02:12:38,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-14 02:12:39,098 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...