/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:40:20,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:40:20,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:40:20,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 06:40:20,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 06:40:20,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 06:40:20,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 06:40:20,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 06:40:21,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 06:40:21,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 06:40:21,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 06:40:21,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 06:40:21,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 06:40:21,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 06:40:21,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 06:40:21,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 06:40:21,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 06:40:21,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 06:40:21,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 06:40:21,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 06:40:21,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 06:40:21,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 06:40:21,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 06:40:21,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 06:40:21,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 06:40:21,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 06:40:21,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 06:40:21,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 06:40:21,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 06:40:21,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 06:40:21,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 06:40:21,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 06:40:21,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 06:40:21,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 06:40:21,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 06:40:21,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 06:40:21,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 06:40:21,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 06:40:21,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:40:21,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:40:21,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:40:21,042 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:40:21,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:40:21,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:40:21,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:40:21,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:40:21,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:40:21,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:40:21,072 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:40:21,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:40:21,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:40:21,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:40:21,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:40:21,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:40:21,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:40:21,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:40:21,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:40:21,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:40:21,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:40:21,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:40:21,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:40:21,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:40:21,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:40:21,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:40:21,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:40:21,075 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:40:21,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:40:21,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:40:21,075 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:40:21,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:40:21,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:40:21,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:40:21,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:40:21,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:40:21,414 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:40:21,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i [2021-06-02 06:40:21,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b682ad841/6c96e78fe3b74440ba9c8fc5cb49610d/FLAGb7a5101ca [2021-06-02 06:40:22,061 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:40:22,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i [2021-06-02 06:40:22,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b682ad841/6c96e78fe3b74440ba9c8fc5cb49610d/FLAGb7a5101ca [2021-06-02 06:40:22,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b682ad841/6c96e78fe3b74440ba9c8fc5cb49610d [2021-06-02 06:40:22,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:40:22,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:40:22,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:40:22,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:40:22,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:40:22,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7415a2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22, skipping insertion in model container [2021-06-02 06:40:22,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:40:22,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:40:22,597 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i[949,962] [2021-06-02 06:40:22,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:40:22,779 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:40:22,789 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_pso.opt.i[949,962] [2021-06-02 06:40:22,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:40:22,898 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:40:22,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22 WrapperNode [2021-06-02 06:40:22,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:40:22,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:40:22,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:40:22,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:40:22,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:40:22,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:40:22,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:40:22,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:40:22,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:22,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... [2021-06-02 06:40:23,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:40:23,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:40:23,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:40:23,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:40:23,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:40:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:40:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:40:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:40:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:40:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:40:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:40:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:40:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:40:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:40:23,095 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:40:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:40:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:40:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:40:23,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:40:23,097 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:40:23,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:40:23,452 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:40:23,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:40:23 BoogieIcfgContainer [2021-06-02 06:40:23,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:40:23,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:40:23,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:40:23,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:40:23,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:40:22" (1/3) ... [2021-06-02 06:40:23,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74590413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:40:23, skipping insertion in model container [2021-06-02 06:40:23,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:22" (2/3) ... [2021-06-02 06:40:23,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74590413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:40:23, skipping insertion in model container [2021-06-02 06:40:23,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:40:23" (3/3) ... [2021-06-02 06:40:23,460 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_pso.opt.i [2021-06-02 06:40:23,466 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:40:23,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:40:23,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:40:23,468 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:40:23,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,500 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,500 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,503 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,504 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,504 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,505 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,505 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,505 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,506 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,507 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,507 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,507 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,513 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,514 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,514 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,515 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,515 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,516 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,524 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,525 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,527 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,528 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:23,531 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:40:23,552 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:40:23,629 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:40:23,629 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:40:23,629 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:40:23,629 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:40:23,629 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:40:23,629 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:40:23,630 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:40:23,630 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:40:23,855 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:23,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:23,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1743011939, now seen corresponding path program 1 times [2021-06-02 06:40:23,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:23,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491667425] [2021-06-02 06:40:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:24,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:24,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491667425] [2021-06-02 06:40:24,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491667425] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:24,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:24,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:40:24,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691963933] [2021-06-02 06:40:24,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:40:24,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:24,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:40:24,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:40:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:24,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:24,197 INFO L483 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) [2021-06-02 06:40:24,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:24,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:24,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:40:24,382 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:24,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:24,383 INFO L82 PathProgramCache]: Analyzing trace with hash -835920231, now seen corresponding path program 1 times [2021-06-02 06:40:24,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:24,383 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891384087] [2021-06-02 06:40:24,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:24,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:24,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:24,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891384087] [2021-06-02 06:40:24,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891384087] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:24,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:24,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:40:24,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226310733] [2021-06-02 06:40:24,506 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:40:24,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:24,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:40:24,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:40:24,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:24,507 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:24,507 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 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) [2021-06-02 06:40:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:24,680 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:40:24,680 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:24,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1013019991, now seen corresponding path program 1 times [2021-06-02 06:40:24,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:24,681 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599594920] [2021-06-02 06:40:24,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:24,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:24,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599594920] [2021-06-02 06:40:24,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599594920] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:24,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:24,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:40:24,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998046483] [2021-06-02 06:40:24,837 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:40:24,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:24,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:40:24,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:40:24,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:24,838 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:24,838 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-06-02 06:40:24,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:24,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:24,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:40:25,052 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:25,052 INFO L82 PathProgramCache]: Analyzing trace with hash 210816741, now seen corresponding path program 2 times [2021-06-02 06:40:25,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:25,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734260129] [2021-06-02 06:40:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:25,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:25,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734260129] [2021-06-02 06:40:25,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734260129] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:25,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:25,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:40:25,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490567] [2021-06-02 06:40:25,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:40:25,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:25,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:40:25,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:40:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:25,158 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:25,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-06-02 06:40:25,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:25,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:25,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:25,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,411 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:40:25,411 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash 949897051, now seen corresponding path program 3 times [2021-06-02 06:40:25,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:25,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736714111] [2021-06-02 06:40:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:25,567 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:25,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736714111] [2021-06-02 06:40:25,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736714111] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:25,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:25,568 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:40:25,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316090321] [2021-06-02 06:40:25,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:40:25,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:25,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:40:25,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:40:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:25,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:25,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-06-02 06:40:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:40:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:25,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:40:25,829 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:40:25,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:40:25 BasicIcfg [2021-06-02 06:40:25,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:40:25,831 INFO L168 Benchmark]: Toolchain (without parser) took 3497.10 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 319.1 MB in the beginning and 234.5 MB in the end (delta: 84.6 MB). Peak memory consumption was 157.0 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:25,832 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 356.5 MB. Free memory was 337.1 MB in the beginning and 337.1 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:40:25,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.90 ms. Allocated memory is still 356.5 MB. Free memory was 318.9 MB in the beginning and 318.4 MB in the end (delta: 510.8 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:25,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.73 ms. Allocated memory is still 356.5 MB. Free memory was 318.4 MB in the beginning and 316.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:25,832 INFO L168 Benchmark]: Boogie Preprocessor took 43.91 ms. Allocated memory is still 356.5 MB. Free memory was 316.3 MB in the beginning and 315.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:25,833 INFO L168 Benchmark]: RCFGBuilder took 449.43 ms. Allocated memory is still 356.5 MB. Free memory was 315.3 MB in the beginning and 290.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:25,833 INFO L168 Benchmark]: TraceAbstraction took 2375.68 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 289.1 MB in the beginning and 234.5 MB in the end (delta: 54.5 MB). Peak memory consumption was 129.0 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:25,835 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 356.5 MB. Free memory was 337.1 MB in the beginning and 337.1 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 556.90 ms. Allocated memory is still 356.5 MB. Free memory was 318.9 MB in the beginning and 318.4 MB in the end (delta: 510.8 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.73 ms. Allocated memory is still 356.5 MB. Free memory was 318.4 MB in the beginning and 316.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.91 ms. Allocated memory is still 356.5 MB. Free memory was 316.3 MB in the beginning and 315.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 449.43 ms. Allocated memory is still 356.5 MB. Free memory was 315.3 MB in the beginning and 290.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2375.68 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 289.1 MB in the beginning and 234.5 MB in the end (delta: 54.5 MB). Peak memory consumption was 129.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3557, positive: 3487, positive conditional: 3487, positive unconditional: 0, negative: 70, negative conditional: 70, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3530, positive: 3487, positive conditional: 3487, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12026, positive: 11795, positive conditional: 0, positive unconditional: 11795, negative: 231, negative conditional: 0, negative unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2460, positive: 2428, positive conditional: 0, positive unconditional: 2428, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2460, positive: 2405, positive conditional: 0, positive unconditional: 2405, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12026, positive: 9367, positive conditional: 0, positive unconditional: 9367, negative: 199, negative conditional: 0, negative unconditional: 199, unknown: 2460, unknown conditional: 0, unknown unconditional: 2460] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, SemanticConditionEliminator.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 369, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 230, negative conditional: 8, negative unconditional: 222, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 222, SemanticConditionEliminator.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 369, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 230, negative conditional: 8, negative unconditional: 222, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 222, SemanticConditionEliminator.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 369, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 230, negative conditional: 8, negative unconditional: 222, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 222, SemanticConditionEliminator.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 369, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 230, negative conditional: 8, negative unconditional: 222, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 222, SemanticConditionEliminator.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369, positive: 138, positive conditional: 138, positive unconditional: 0, negative: 231, negative conditional: 9, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 369, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 230, negative conditional: 8, negative unconditional: 222, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32, Eliminated conditions: 222 ], Maximal queried relation: 5, Independence queries for same thread: 27 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 585, Number of persistent set computation: 1191, Number of trivial persistent sets: 1011, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 12026, positive: 11795, positive conditional: 0, positive unconditional: 11795, negative: 231, negative conditional: 0, negative unconditional: 231, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2460, positive: 2428, positive conditional: 0, positive unconditional: 2428, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2460, positive: 2405, positive conditional: 0, positive unconditional: 2405, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 29, positive conditional: 6, positive unconditional: 23, negative: 33, negative conditional: 1, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 149, positive: 76, positive conditional: 9, positive unconditional: 68, negative: 73, negative conditional: 2, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12026, positive: 9367, positive conditional: 0, positive unconditional: 9367, negative: 199, negative conditional: 0, negative unconditional: 199, unknown: 2460, unknown conditional: 0, unknown unconditional: 2460] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2434, Positive conditional cache size: 6, Positive unconditional cache size: 2428, Negative cache size: 33, Negative conditional cache size: 1, Negative unconditional cache size: 32 - 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 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2248.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 1282.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 23.7ms SsaConstructionTime, 120.3ms SatisfiabilityAnalysisTime, 614.3ms InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! Received shutdown request...