/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:12:51,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:12:51,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:12:51,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 05:12:51,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 05:12:51,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 05:12:51,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 05:12:51,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 05:12:51,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 05:12:51,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 05:12:51,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 05:12:51,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 05:12:51,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 05:12:51,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 05:12:51,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 05:12:51,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 05:12:51,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 05:12:51,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 05:12:51,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 05:12:51,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 05:12:51,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 05:12:51,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 05:12:51,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 05:12:51,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 05:12:51,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 05:12:51,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 05:12:51,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 05:12:51,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 05:12:51,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 05:12:51,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 05:12:51,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 05:12:51,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 05:12:51,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 05:12:51,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 05:12:51,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 05:12:51,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 05:12:51,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 05:12:51,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 05:12:51,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:12:51,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:12:51,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:12:51,572 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-Sleep-NoLbe-Delay.epf [2021-03-12 05:12:51,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:12:51,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:12:51,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:12:51,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:12:51,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:12:51,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:12:51,592 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:12:51,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:12:51,592 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:12:51,593 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:12:51,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:12:51,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:12:51,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:12:51,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:12:51,595 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:12:51,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:12:51,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:12:51,595 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:12:51,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:12:51,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:12:51,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:12:51,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:12:51,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:12:51,922 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:12:51,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.opt.i [2021-03-12 05:12:51,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af0965c8d/c7e57d1866454ce3b5e341d2f58b4504/FLAGec3ac8d0b [2021-03-12 05:12:52,514 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:12:52,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.opt.i [2021-03-12 05:12:52,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af0965c8d/c7e57d1866454ce3b5e341d2f58b4504/FLAGec3ac8d0b [2021-03-12 05:12:52,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af0965c8d/c7e57d1866454ce3b5e341d2f58b4504 [2021-03-12 05:12:52,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:12:52,814 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:12:52,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:12:52,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:12:52,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:12:52,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:12:52" (1/1) ... [2021-03-12 05:12:52,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc90c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:52, skipping insertion in model container [2021-03-12 05:12:52,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:12:52" (1/1) ... [2021-03-12 05:12:52,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:12:52,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:12:52,983 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/safe036_pso.opt.i[949,962] [2021-03-12 05:12:53,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:12:53,149 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:12:53,159 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/safe036_pso.opt.i[949,962] [2021-03-12 05:12:53,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:12:53,270 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:12:53,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53 WrapperNode [2021-03-12 05:12:53,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:12:53,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:12:53,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:12:53,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:12:53,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:12:53,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:12:53,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:12:53,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:12:53,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (1/1) ... [2021-03-12 05:12:53,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:12:53,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:12:53,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:12:53,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:12:53,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (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 [2021-03-12 05:12:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:12:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:12:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:12:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:12:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:12:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:12:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:12:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:12:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:12:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:12:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:12:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:12:53,432 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 05:12:53,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:12:53,814 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:12:53,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:12:53 BoogieIcfgContainer [2021-03-12 05:12:53,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:12:53,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:12:53,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:12:53,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:12:53,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:12:52" (1/3) ... [2021-03-12 05:12:53,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0dce90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:12:53, skipping insertion in model container [2021-03-12 05:12:53,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:53" (2/3) ... [2021-03-12 05:12:53,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0dce90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:12:53, skipping insertion in model container [2021-03-12 05:12:53,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:12:53" (3/3) ... [2021-03-12 05:12:53,822 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_pso.opt.i [2021-03-12 05:12:53,827 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:12:53,827 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:12:53,830 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:12:53,831 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:12:53,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,854 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,866 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:53,869 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:12:53,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-03-12 05:12:53,937 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:12:53,937 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:12:53,938 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:12:53,938 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:12:53,938 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:12:53,938 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:12:53,938 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:12:53,938 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 05:12:53,983 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:53,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:53,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1892000655, now seen corresponding path program 1 times [2021-03-12 05:12:53,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:53,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513215340] [2021-03-12 05:12:53,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:12:54,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513215340] [2021-03-12 05:12:54,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:54,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:12:54,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610562517] [2021-03-12 05:12:54,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:12:54,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:54,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:12:54,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:12:54,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:54,424 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:54,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:54,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:54,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:54,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:12:54,629 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:54,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:54,629 INFO L82 PathProgramCache]: Analyzing trace with hash 745221067, now seen corresponding path program 2 times [2021-03-12 05:12:54,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:54,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888776046] [2021-03-12 05:12:54,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:12:54,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888776046] [2021-03-12 05:12:54,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:54,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:12:54,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793484516] [2021-03-12 05:12:54,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:12:54,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:54,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:12:54,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:12:54,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:54,740 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:54,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:54,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:54,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:55,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:12:55,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:12:55,152 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:55,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:55,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1225807353, now seen corresponding path program 3 times [2021-03-12 05:12:55,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:55,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036542730] [2021-03-12 05:12:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:12:55,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036542730] [2021-03-12 05:12:55,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:55,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:12:55,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013436251] [2021-03-12 05:12:55,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:12:55,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:55,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:12:55,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:12:55,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:55,334 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:55,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:12:55,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:12:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:55,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:12:55,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:12:55 BasicIcfg [2021-03-12 05:12:55,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:12:55,552 INFO L168 Benchmark]: Toolchain (without parser) took 2740.78 ms. Allocated memory is still 325.1 MB. Free memory was 287.9 MB in the beginning and 285.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:55,552 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 325.1 MB. Free memory was 306.3 MB in the beginning and 306.2 MB in the end (delta: 69.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:12:55,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.41 ms. Allocated memory is still 325.1 MB. Free memory was 287.3 MB in the beginning and 287.8 MB in the end (delta: -557.1 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:55,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 325.1 MB. Free memory was 287.8 MB in the beginning and 285.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:55,558 INFO L168 Benchmark]: Boogie Preprocessor took 29.92 ms. Allocated memory is still 325.1 MB. Free memory was 285.7 MB in the beginning and 284.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:12:55,558 INFO L168 Benchmark]: RCFGBuilder took 464.30 ms. Allocated memory is still 325.1 MB. Free memory was 284.7 MB in the beginning and 263.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:55,558 INFO L168 Benchmark]: TraceAbstraction took 1732.98 ms. Allocated memory is still 325.1 MB. Free memory was 262.7 MB in the beginning and 285.5 MB in the end (delta: -22.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:12:55,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 325.1 MB. Free memory was 306.3 MB in the beginning and 306.2 MB in the end (delta: 69.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 453.41 ms. Allocated memory is still 325.1 MB. Free memory was 287.3 MB in the beginning and 287.8 MB in the end (delta: -557.1 kB). Peak memory consumption was 4.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 48.52 ms. Allocated memory is still 325.1 MB. Free memory was 287.8 MB in the beginning and 285.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.92 ms. Allocated memory is still 325.1 MB. Free memory was 285.7 MB in the beginning and 284.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 464.30 ms. Allocated memory is still 325.1 MB. Free memory was 284.7 MB in the beginning and 263.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1732.98 ms. Allocated memory is still 325.1 MB. Free memory was 262.7 MB in the beginning and 285.5 MB in the end (delta: -22.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2324, positive: 2151, positive conditional: 2151, positive unconditional: 0, negative: 173, negative conditional: 173, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2175, positive: 2151, positive conditional: 2151, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2175, positive: 2133, positive conditional: 0, positive unconditional: 2133, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 225, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 225, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 37, positive conditional: 14, positive unconditional: 24, negative: 81, negative conditional: 23, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2175, positive: 1913, positive conditional: 0, positive unconditional: 1913, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 225, unknown conditional: 0, unknown unconditional: 225] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 222, Positive conditional cache size: 2, Positive unconditional cache size: 220, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 78, negative conditional: 19, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 78, negative conditional: 19, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 37, positive conditional: 14, positive unconditional: 24, negative: 81, negative conditional: 23, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 75, negative conditional: 16, negative unconditional: 59, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 222, Positive conditional cache size: 2, Positive unconditional cache size: 220, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 78, negative conditional: 19, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 78, negative conditional: 19, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 37, positive conditional: 14, positive unconditional: 24, negative: 81, negative conditional: 23, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 75, negative conditional: 16, negative unconditional: 59, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 222, Positive conditional cache size: 2, Positive unconditional cache size: 220, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 59, SemanticConditionEliminator.Independence Queries: [ total: 96, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 78, negative conditional: 19, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 78, negative conditional: 19, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, positive: 37, positive conditional: 14, positive unconditional: 24, negative: 81, negative conditional: 23, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 75, negative conditional: 16, negative unconditional: 59, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 222, Positive conditional cache size: 2, Positive unconditional cache size: 220, Negative cache size: 8, Negative conditional cache size: 3, Negative unconditional cache size: 5, Eliminated conditions: 59 ], Maximal queried relation: 3, Independence queries for same thread: 149 - 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 3 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1651.5ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 847.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 13.4ms SsaConstructionTime, 126.5ms SatisfiabilityAnalysisTime, 456.7ms InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 491 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...