/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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 03:09:26,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 03:09:26,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 03:09:26,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-25 03:09:26,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-25 03:09:26,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-25 03:09:26,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-25 03:09:26,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-25 03:09:26,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-25 03:09:26,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-25 03:09:26,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-25 03:09:26,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-25 03:09:26,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 03:09:26,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 03:09:26,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 03:09:26,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 03:09:26,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 03:09:26,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 03:09:26,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 03:09:26,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 03:09:26,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 03:09:26,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 03:09:26,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 03:09:26,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 03:09:26,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 03:09:26,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 03:09:26,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 03:09:26,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 03:09:26,962 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-Uncond-NoLbe-Random42.epf [2021-10-25 03:09:26,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 03:09:26,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 03:09:26,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 03:09:26,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 03:09:26,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 03:09:26,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 03:09:26,988 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 03:09:26,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 03:09:26,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 03:09:26,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 03:09:26,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 03:09:26,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 03:09:26,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 03:09:26,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 03:09:26,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 03:09:26,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 03:09:26,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 03:09:26,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 03:09:26,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 03:09:26,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 03:09:26,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 03:09:26,991 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 03:09:26,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 [2021-10-25 03:09:26,992 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 03:09:27,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 03:09:27,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 03:09:27,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 03:09:27,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 03:09:27,216 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 03:09:27,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-10-25 03:09:27,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c0f50884/108440b7becc4d52b53f6ba533a42e94/FLAG9fa03fbb4 [2021-10-25 03:09:27,678 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 03:09:27,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-10-25 03:09:27,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c0f50884/108440b7becc4d52b53f6ba533a42e94/FLAG9fa03fbb4 [2021-10-25 03:09:27,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c0f50884/108440b7becc4d52b53f6ba533a42e94 [2021-10-25 03:09:27,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 03:09:27,699 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 03:09:27,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 03:09:27,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 03:09:27,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 03:09:27,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 03:09:27" (1/1) ... [2021-10-25 03:09:27,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314111c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:27, skipping insertion in model container [2021-10-25 03:09:27,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 03:09:27" (1/1) ... [2021-10-25 03:09:27,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 03:09:27,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 03:09:27,860 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i[950,963] [2021-10-25 03:09:27,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 03:09:27,940 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 03:09:27,948 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i[950,963] [2021-10-25 03:09:27,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 03:09:28,004 INFO L208 MainTranslator]: Completed translation [2021-10-25 03:09:28,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28 WrapperNode [2021-10-25 03:09:28,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 03:09:28,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 03:09:28,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 03:09:28,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 03:09:28,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 03:09:28,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 03:09:28,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 03:09:28,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 03:09:28,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 03:09:28,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 03:09:28,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 03:09:28,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 03:09:28,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (1/1) ... [2021-10-25 03:09:28,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 03:09:28,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 03:09:28,105 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) [2021-10-25 03:09:28,107 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 [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-25 03:09:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-25 03:09:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-25 03:09:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 03:09:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 03:09:28,134 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 03:09:28,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 03:09:28,357 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-25 03:09:28,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 03:09:28 BoogieIcfgContainer [2021-10-25 03:09:28,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 03:09:28,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 03:09:28,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 03:09:28,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 03:09:28,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 03:09:27" (1/3) ... [2021-10-25 03:09:28,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e802bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 03:09:28, skipping insertion in model container [2021-10-25 03:09:28,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 03:09:28" (2/3) ... [2021-10-25 03:09:28,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e802bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 03:09:28, skipping insertion in model container [2021-10-25 03:09:28,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 03:09:28" (3/3) ... [2021-10-25 03:09:28,364 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.oepc.i [2021-10-25 03:09:28,367 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 03:09:28,368 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 03:09:28,368 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 03:09:28,368 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 03:09:28,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,384 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,384 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,389 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,389 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 03:09:28,394 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 03:09:28,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 03:09:28,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 03:09:28,426 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) [2021-10-25 03:09:28,427 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 [2021-10-25 03:09:28,446 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 03:09:28,451 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, mConcurrency=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 [2021-10-25 03:09:28,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-25 03:09:28,548 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 03:09:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 03:09:28,552 INFO L82 PathProgramCache]: Analyzing trace with hash 3259701, now seen corresponding path program 1 times [2021-10-25 03:09:28,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 03:09:28,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327011242] [2021-10-25 03:09:28,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 03:09:28,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 03:09:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 03:09:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 03:09:28,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 03:09:28,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327011242] [2021-10-25 03:09:28,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327011242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 03:09:28,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 03:09:28,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-25 03:09:28,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417208144] [2021-10-25 03:09:28,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-25 03:09:28,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 03:09:28,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-25 03:09:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-25 03:09:28,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:28,858 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 03:09:28,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2021-10-25 03:09:28,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:28,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 03:09:28,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 03:09:28,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 03:09:28,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1773801414, now seen corresponding path program 1 times [2021-10-25 03:09:28,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 03:09:28,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962175012] [2021-10-25 03:09:28,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 03:09:28,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 03:09:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 03:09:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 03:09:29,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 03:09:29,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962175012] [2021-10-25 03:09:29,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962175012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 03:09:29,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 03:09:29,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 03:09:29,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136133415] [2021-10-25 03:09:29,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 03:09:29,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 03:09:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 03:09:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-25 03:09:29,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:29,154 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 03:09:29,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-10-25 03:09:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 03:09:29,265 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 03:09:29,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 03:09:29,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1388236907, now seen corresponding path program 1 times [2021-10-25 03:09:29,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 03:09:29,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086112655] [2021-10-25 03:09:29,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 03:09:29,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 03:09:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 03:09:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 03:09:29,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 03:09:29,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086112655] [2021-10-25 03:09:29,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086112655] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 03:09:29,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 03:09:29,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-25 03:09:29,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337136526] [2021-10-25 03:09:29,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-25 03:09:29,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 03:09:29,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-25 03:09:29,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-25 03:09:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:29,398 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 03:09:29,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 03:09:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:29,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 03:09:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 03:09:29,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 03:09:29,639 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 03:09:29,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 03:09:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash 417294255, now seen corresponding path program 2 times [2021-10-25 03:09:29,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 03:09:29,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17782324] [2021-10-25 03:09:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 03:09:29,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 03:09:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 03:09:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 03:09:29,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 03:09:29,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17782324] [2021-10-25 03:09:29,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17782324] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 03:09:29,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 03:09:29,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-25 03:09:29,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329147436] [2021-10-25 03:09:29,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 03:09:29,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 03:09:29,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 03:09:29,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-25 03:09:29,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:29,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 03:09:29,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 03:09:29,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-25 03:09:29,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 03:09:29,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 03:09:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 03:09:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 03:09:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 03:09:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-25 03:09:29,835 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 03:09:29,835 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 03:09:29,836 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 03:09:29,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-25 03:09:29,841 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 03:09:29,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 03:09:29,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 03:09:29 BasicIcfg [2021-10-25 03:09:29,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 03:09:29,843 INFO L168 Benchmark]: Toolchain (without parser) took 2143.72 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 151.0 MB in the beginning and 204.2 MB in the end (delta: -53.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 03:09:29,844 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 202.4 MB. Free memory is still 169.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 03:09:29,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.25 ms. Allocated memory is still 202.4 MB. Free memory was 150.9 MB in the beginning and 168.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:29,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.74 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 166.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:29,844 INFO L168 Benchmark]: Boogie Preprocessor took 32.22 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 165.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:29,845 INFO L168 Benchmark]: RCFGBuilder took 274.28 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 144.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:29,845 INFO L168 Benchmark]: TraceAbstraction took 1482.73 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 144.1 MB in the beginning and 204.2 MB in the end (delta: -60.2 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 03:09:29,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 202.4 MB. Free memory is still 169.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 304.25 ms. Allocated memory is still 202.4 MB. Free memory was 150.9 MB in the beginning and 168.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.74 ms. Allocated memory is still 202.4 MB. Free memory was 168.6 MB in the beginning and 166.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.22 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 165.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 274.28 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 144.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1482.73 ms. Allocated memory was 202.4 MB in the beginning and 249.6 MB in the end (delta: 47.2 MB). Free memory was 144.1 MB in the beginning and 204.2 MB in the end (delta: -60.2 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2257, positive: 2119, positive conditional: 1504, positive unconditional: 615, negative: 138, negative conditional: 124, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2208, positive: 2119, positive conditional: 0, positive unconditional: 2119, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 635, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 635, positive: 619, positive conditional: 0, positive unconditional: 619, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2208, positive: 1498, positive conditional: 0, positive unconditional: 1498, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 635, unknown conditional: 0, unknown unconditional: 635] , Statistics on independence cache: Total cache size (in pairs): 635, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 49 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 127, Number of persistent set computation: 318, Number of trivial persistent sets: 131, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2257, positive: 2119, positive conditional: 1504, positive unconditional: 615, negative: 138, negative conditional: 124, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2208, positive: 2119, positive conditional: 0, positive unconditional: 2119, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 635, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 635, positive: 619, positive conditional: 0, positive unconditional: 619, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2208, positive: 1498, positive conditional: 0, positive unconditional: 1498, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 635, unknown conditional: 0, unknown unconditional: 635] , Statistics on independence cache: Total cache size (in pairs): 635, Positive cache size: 621, Positive conditional cache size: 0, Positive unconditional cache size: 621, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 49 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: 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 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1417.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 607.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.1ms SsaConstructionTime, 136.6ms SatisfiabilityAnalysisTime, 495.4ms InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 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! [2021-10-25 03:09:29,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 03:09:30,082 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...