/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 07:02:15,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 07:02:15,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 07:02:15,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 07:02:15,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 07:02:15,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 07:02:15,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 07:02:15,927 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-NewStatesSleep-NoLbe.epf [2021-04-15 07:02:15,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 07:02:15,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 07:02:15,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 07:02:15,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 07:02:15,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 07:02:15,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 07:02:15,956 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 07:02:15,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 07:02:15,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 07:02:15,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 07:02:15,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 07:02:15,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 07:02:15,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 07:02:15,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 07:02:15,959 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 07:02:15,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 07:02:16,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 07:02:16,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 07:02:16,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 07:02:16,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 07:02:16,231 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 07:02:16,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2021-04-15 07:02:16,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8e1b642/4d8c516b74234440ac15548f08a6b8c1/FLAG091ed3c1f [2021-04-15 07:02:16,716 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 07:02:16,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2021-04-15 07:02:16,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8e1b642/4d8c516b74234440ac15548f08a6b8c1/FLAG091ed3c1f [2021-04-15 07:02:16,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e8e1b642/4d8c516b74234440ac15548f08a6b8c1 [2021-04-15 07:02:16,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 07:02:16,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 07:02:16,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 07:02:16,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 07:02:16,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 07:02:16,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 07:02:16" (1/1) ... [2021-04-15 07:02:16,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5305c703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:16, skipping insertion in model container [2021-04-15 07:02:16,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 07:02:16" (1/1) ... [2021-04-15 07:02:16,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 07:02:16,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 07:02:16,938 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i[950,963] [2021-04-15 07:02:17,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 07:02:17,071 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 07:02:17,079 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i[950,963] [2021-04-15 07:02:17,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 07:02:17,157 INFO L208 MainTranslator]: Completed translation [2021-04-15 07:02:17,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17 WrapperNode [2021-04-15 07:02:17,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 07:02:17,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 07:02:17,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 07:02:17,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 07:02:17,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 07:02:17,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 07:02:17,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 07:02:17,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 07:02:17,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (1/1) ... [2021-04-15 07:02:17,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 07:02:17,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 07:02:17,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 07:02:17,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 07:02:17,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (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 [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 07:02:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 07:02:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 07:02:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 07:02:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 07:02:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 07:02:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 07:02:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 07:02:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 07:02:17,265 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 07:02:17,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 07:02:17,518 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 07:02:17,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 07:02:17 BoogieIcfgContainer [2021-04-15 07:02:17,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 07:02:17,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 07:02:17,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 07:02:17,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 07:02:17,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 07:02:16" (1/3) ... [2021-04-15 07:02:17,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194f3f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 07:02:17, skipping insertion in model container [2021-04-15 07:02:17,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 07:02:17" (2/3) ... [2021-04-15 07:02:17,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194f3f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 07:02:17, skipping insertion in model container [2021-04-15 07:02:17,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 07:02:17" (3/3) ... [2021-04-15 07:02:17,524 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.oepc.i [2021-04-15 07:02:17,528 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 07:02:17,528 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 07:02:17,530 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 07:02:17,531 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 07:02:17,547 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,548 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,551 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,552 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,553 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,553 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,554 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,556 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,557 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,558 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,558 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 07:02:17,559 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 07:02:17,570 INFO L253 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 [2021-04-15 07:02:17,644 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 07:02:17,644 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 07:02:17,644 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 07:02:17,644 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 07:02:17,644 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 07:02:17,644 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 07:02:17,644 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 07:02:17,644 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 07:02:17,670 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 07:02:17,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 07:02:17,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1982901869, now seen corresponding path program 1 times [2021-04-15 07:02:17,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 07:02:17,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10714487] [2021-04-15 07:02:17,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 07:02:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 07:02:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 07:02:17,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10714487] [2021-04-15 07:02:17,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 07:02:17,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 07:02:17,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821670865] [2021-04-15 07:02:17,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 07:02:17,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 07:02:17,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 07:02:17,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 07:02:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:17,862 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 07:02:17,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 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) [2021-04-15 07:02:17,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:17,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:17,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 07:02:17,880 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 07:02:17,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 07:02:17,881 INFO L82 PathProgramCache]: Analyzing trace with hash -990326519, now seen corresponding path program 1 times [2021-04-15 07:02:17,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 07:02:17,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063101631] [2021-04-15 07:02:17,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 07:02:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 07:02:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 07:02:18,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063101631] [2021-04-15 07:02:18,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 07:02:18,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 07:02:18,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191303212] [2021-04-15 07:02:18,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 07:02:18,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 07:02:18,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 07:02:18,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 07:02:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:18,045 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 07:02:18,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 07:02:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:18,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:18,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 07:02:18,281 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 07:02:18,281 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 07:02:18,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 07:02:18,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1727727158, now seen corresponding path program 1 times [2021-04-15 07:02:18,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 07:02:18,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068111632] [2021-04-15 07:02:18,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 07:02:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 07:02:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 07:02:18,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068111632] [2021-04-15 07:02:18,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 07:02:18,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 07:02:18,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960423033] [2021-04-15 07:02:18,423 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 07:02:18,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 07:02:18,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 07:02:18,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-15 07:02:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:18,424 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 07:02:18,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-04-15 07:02:18,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:18,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 07:02:18,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 07:02:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 07:02:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 07:02:19,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 07:02:19,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 07:02:19 BasicIcfg [2021-04-15 07:02:19,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 07:02:19,068 INFO L168 Benchmark]: Toolchain (without parser) took 2322.29 ms. Allocated memory is still 394.3 MB. Free memory was 357.8 MB in the beginning and 202.5 MB in the end (delta: 155.3 MB). Peak memory consumption was 158.0 MB. Max. memory is 16.0 GB. [2021-04-15 07:02:19,068 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 394.3 MB. Free memory is still 375.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 07:02:19,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.83 ms. Allocated memory is still 394.3 MB. Free memory was 357.6 MB in the beginning and 356.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-04-15 07:02:19,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.99 ms. Allocated memory is still 394.3 MB. Free memory was 356.4 MB in the beginning and 354.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 07:02:19,069 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 394.3 MB. Free memory was 354.3 MB in the beginning and 353.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 07:02:19,069 INFO L168 Benchmark]: RCFGBuilder took 298.20 ms. Allocated memory is still 394.3 MB. Free memory was 353.2 MB in the beginning and 328.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-15 07:02:19,069 INFO L168 Benchmark]: TraceAbstraction took 1546.49 ms. Allocated memory is still 394.3 MB. Free memory was 328.1 MB in the beginning and 202.5 MB in the end (delta: 125.6 MB). Peak memory consumption was 127.7 MB. Max. memory is 16.0 GB. [2021-04-15 07:02:19,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 394.3 MB. Free memory is still 375.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 410.83 ms. Allocated memory is still 394.3 MB. Free memory was 357.6 MB in the beginning and 356.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 40.99 ms. Allocated memory is still 394.3 MB. Free memory was 356.4 MB in the beginning and 354.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.82 ms. Allocated memory is still 394.3 MB. Free memory was 354.3 MB in the beginning and 353.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 298.20 ms. Allocated memory is still 394.3 MB. Free memory was 353.2 MB in the beginning and 328.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1546.49 ms. Allocated memory is still 394.3 MB. Free memory was 328.1 MB in the beginning and 202.5 MB in the end (delta: 125.6 MB). Peak memory consumption was 127.7 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: 17503, positive: 17096, positive conditional: 17096, positive unconditional: 0, negative: 407, negative conditional: 407, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 17411, positive: 17096, positive conditional: 17096, positive unconditional: 0, negative: 315, negative conditional: 315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 17411, positive: 16931, positive conditional: 0, positive unconditional: 16931, negative: 480, negative conditional: 0, negative unconditional: 480, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 592, positive: 579, positive conditional: 0, positive unconditional: 579, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 592, positive: 575, positive conditional: 0, positive unconditional: 575, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 21, positive conditional: 14, positive unconditional: 6, negative: 35, negative conditional: 5, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17411, positive: 16352, positive conditional: 0, positive unconditional: 16352, negative: 467, negative conditional: 0, negative unconditional: 467, unknown: 592, unknown conditional: 0, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 589, Positive conditional cache size: 10, Positive unconditional cache size: 579, Negative cache size: 17, Negative conditional cache size: 4, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 1438, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 1273, negative conditional: 121, negative unconditional: 1152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1438, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 1273, negative conditional: 121, negative unconditional: 1152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 21, positive conditional: 14, positive unconditional: 6, negative: 35, negative conditional: 5, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1438, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 1269, negative conditional: 117, negative unconditional: 1152, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 589, Positive conditional cache size: 10, Positive unconditional cache size: 579, Negative cache size: 17, Negative conditional cache size: 4, Negative unconditional cache size: 13, Eliminated conditions: 1152, SemanticConditionEliminator.Independence Queries: [ total: 1438, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 1273, negative conditional: 121, negative unconditional: 1152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1438, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 1273, negative conditional: 121, negative unconditional: 1152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 21, positive conditional: 14, positive unconditional: 6, negative: 35, negative conditional: 5, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1438, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 1269, negative conditional: 117, negative unconditional: 1152, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 589, Positive conditional cache size: 10, Positive unconditional cache size: 579, Negative cache size: 17, Negative conditional cache size: 4, Negative unconditional cache size: 13, Eliminated conditions: 1152, SemanticConditionEliminator.Independence Queries: [ total: 1438, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 1273, negative conditional: 121, negative unconditional: 1152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1438, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 1273, negative conditional: 121, negative unconditional: 1152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 21, positive conditional: 14, positive unconditional: 6, negative: 35, negative conditional: 5, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1438, positive: 155, positive conditional: 155, positive unconditional: 0, negative: 1269, negative conditional: 117, negative unconditional: 1152, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 589, Positive conditional cache size: 10, Positive unconditional cache size: 579, Negative cache size: 17, Negative conditional cache size: 4, Negative unconditional cache size: 13, Eliminated conditions: 1152 ], Maximal queried relation: 3, Independence queries for same thread: 92 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1484.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 899.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 8.4ms SsaConstructionTime, 69.9ms SatisfiabilityAnalysisTime, 320.6ms InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...