/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/safe035_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:12:39,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:12:39,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:12:39,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 05:12:39,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 05:12:39,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 05:12:39,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 05:12:39,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 05:12:39,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 05:12:39,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 05:12:39,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 05:12:39,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 05:12:39,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 05:12:39,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 05:12:39,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 05:12:39,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 05:12:39,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 05:12:39,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 05:12:39,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 05:12:39,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 05:12:39,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 05:12:39,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 05:12:39,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 05:12:39,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 05:12:39,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 05:12:39,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 05:12:39,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 05:12:39,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 05:12:39,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 05:12:39,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 05:12:39,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 05:12:39,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 05:12:39,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 05:12:39,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 05:12:39,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 05:12:39,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 05:12:39,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 05:12:39,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 05:12:39,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:12:39,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:12:39,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:12:39,554 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 05:12:39,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:12:39,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:12:39,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:12:39,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:12:39,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:12:39,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:12:39,588 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:12:39,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:12:39,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:12:39,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:12:39,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:12:39,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:12:39,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:12:39,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:12:39,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:12:39,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:12:39,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:12:39,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:12:39,591 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:12:39,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:12:39,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:12:39,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:12:39,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:12:39,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:12:39,855 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:12:39,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i [2021-03-12 05:12:39,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be06007ed/e448e277cab4409888b2d92034982613/FLAG261fa1eac [2021-03-12 05:12:40,339 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:12:40,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i [2021-03-12 05:12:40,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be06007ed/e448e277cab4409888b2d92034982613/FLAG261fa1eac [2021-03-12 05:12:40,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be06007ed/e448e277cab4409888b2d92034982613 [2021-03-12 05:12:40,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:12:40,369 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:12:40,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:12:40,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:12:40,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:12:40,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b59b88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40, skipping insertion in model container [2021-03-12 05:12:40,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:12:40,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:12:40,548 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/safe035_pso.oepc.i[950,963] [2021-03-12 05:12:40,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:12:40,693 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:12:40,700 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/safe035_pso.oepc.i[950,963] [2021-03-12 05:12:40,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:12:40,767 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:12:40,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40 WrapperNode [2021-03-12 05:12:40,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:12:40,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:12:40,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:12:40,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:12:40,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:12:40,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:12:40,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:12:40,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:12:40,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (1/1) ... [2021-03-12 05:12:40,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:12:40,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:12:40,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:12:40,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:12:40,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (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 05:12:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:12:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:12:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:12:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:12:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 05:12:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:12:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:12:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:12:40,906 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 05:12:41,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:12:41,181 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:12:41,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:12:41 BoogieIcfgContainer [2021-03-12 05:12:41,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:12:41,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:12:41,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:12:41,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:12:41,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:12:40" (1/3) ... [2021-03-12 05:12:41,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b391ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:12:41, skipping insertion in model container [2021-03-12 05:12:41,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:12:40" (2/3) ... [2021-03-12 05:12:41,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b391ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:12:41, skipping insertion in model container [2021-03-12 05:12:41,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:12:41" (3/3) ... [2021-03-12 05:12:41,186 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc.i [2021-03-12 05:12:41,190 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:12:41,190 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:12:41,192 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:12:41,193 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,218 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,219 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,220 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,223 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,223 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,228 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,228 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:12:41,229 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:12:41,240 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 [2021-03-12 05:12:41,285 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:12:41,285 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:12:41,285 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:12:41,285 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:12:41,285 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:12:41,285 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:12:41,286 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:12:41,286 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 05:12:41,359 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:41,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:41,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1988280507, now seen corresponding path program 1 times [2021-03-12 05:12:41,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:41,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699014695] [2021-03-12 05:12:41,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:41,735 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 05:12:41,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699014695] [2021-03-12 05:12:41,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:41,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:12:41,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671546396] [2021-03-12 05:12:41,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:12:41,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:41,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:12:41,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:12:41,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:41,748 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:41,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:41,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:12:42,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:12:42,208 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:42,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:42,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1833963413, now seen corresponding path program 2 times [2021-03-12 05:12:42,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:42,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235773046] [2021-03-12 05:12:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:42,329 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 05:12:42,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235773046] [2021-03-12 05:12:42,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:42,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 05:12:42,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153950088] [2021-03-12 05:12:42,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 05:12:42,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:42,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 05:12:42,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-12 05:12:42,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:42,331 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:42,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:42,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:12:42,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 05:12:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:12:43,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:12:43,213 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:43,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:43,213 INFO L82 PathProgramCache]: Analyzing trace with hash 391733441, now seen corresponding path program 3 times [2021-03-12 05:12:43,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:43,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292725302] [2021-03-12 05:12:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:43,299 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 05:12:43,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292725302] [2021-03-12 05:12:43,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:43,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:12:43,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422640327] [2021-03-12 05:12:43,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:12:43,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:43,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:12:43,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:12:43,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:43,301 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:43,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:43,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 05:12:43,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:12:43,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 05:12:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:12:43,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:43,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:12:43,777 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:12:43,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:12:43,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1580640771, now seen corresponding path program 4 times [2021-03-12 05:12:43,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:12:43,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001197195] [2021-03-12 05:12:43,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:12:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:12:43,868 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 05:12:43,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001197195] [2021-03-12 05:12:43,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:12:43,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:12:43,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138034178] [2021-03-12 05:12:43,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:12:43,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:12:43,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:12:43,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:12:43,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:43,870 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:12:43,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 05:12:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 05:12:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:12:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:43,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:12:44,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 05:12:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:12:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:12:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:12:44,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 05:12:44,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:12:44 BasicIcfg [2021-03-12 05:12:44,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:12:44,571 INFO L168 Benchmark]: Toolchain (without parser) took 4204.06 ms. Allocated memory was 255.9 MB in the beginning and 685.8 MB in the end (delta: 429.9 MB). Free memory was 235.1 MB in the beginning and 512.8 MB in the end (delta: -277.7 MB). Peak memory consumption was 294.2 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:44,571 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:12:44,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.23 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.7 MB in the beginning and 325.6 MB in the end (delta: -91.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:44,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.18 ms. Allocated memory is still 362.8 MB. Free memory was 325.6 MB in the beginning and 323.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:44,573 INFO L168 Benchmark]: Boogie Preprocessor took 12.89 ms. Allocated memory is still 362.8 MB. Free memory was 323.7 MB in the beginning and 322.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:44,574 INFO L168 Benchmark]: RCFGBuilder took 376.95 ms. Allocated memory is still 362.8 MB. Free memory was 322.6 MB in the beginning and 300.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:44,574 INFO L168 Benchmark]: TraceAbstraction took 3387.01 ms. Allocated memory was 362.8 MB in the beginning and 685.8 MB in the end (delta: 323.0 MB). Free memory was 299.5 MB in the beginning and 512.8 MB in the end (delta: -213.3 MB). Peak memory consumption was 253.8 MB. Max. memory is 16.0 GB. [2021-03-12 05:12:44,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 397.23 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.7 MB in the beginning and 325.6 MB in the end (delta: -91.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.18 ms. Allocated memory is still 362.8 MB. Free memory was 325.6 MB in the beginning and 323.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.89 ms. Allocated memory is still 362.8 MB. Free memory was 323.7 MB in the beginning and 322.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 376.95 ms. Allocated memory is still 362.8 MB. Free memory was 322.6 MB in the beginning and 300.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3387.01 ms. Allocated memory was 362.8 MB in the beginning and 685.8 MB in the end (delta: 323.0 MB). Free memory was 299.5 MB in the beginning and 512.8 MB in the end (delta: -213.3 MB). Peak memory consumption was 253.8 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: 116301, positive: 111146, positive conditional: 111146, positive unconditional: 0, negative: 5155, negative conditional: 5155, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 112137, positive: 111146, positive conditional: 111146, positive unconditional: 0, negative: 991, negative conditional: 991, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 112137, positive: 110175, positive conditional: 0, positive unconditional: 110175, negative: 1962, negative conditional: 0, negative unconditional: 1962, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 652, positive: 638, positive conditional: 0, positive unconditional: 638, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 652, positive: 632, positive conditional: 0, positive unconditional: 632, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 29, negative conditional: 15, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 98, positive conditional: 81, positive unconditional: 17, negative: 125, negative conditional: 50, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 112137, positive: 109537, positive conditional: 0, positive unconditional: 109537, negative: 1948, negative conditional: 0, negative unconditional: 1948, unknown: 652, unknown conditional: 0, unknown unconditional: 652] , Statistics on independence cache: Total cache size (in pairs): 683, Positive cache size: 654, Positive conditional cache size: 16, Positive unconditional cache size: 638, Negative cache size: 29, Negative conditional cache size: 15, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 29, negative conditional: 15, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 98, positive conditional: 81, positive unconditional: 17, negative: 125, negative conditional: 50, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5461, positive: 955, positive conditional: 955, positive unconditional: 0, negative: 4475, negative conditional: 524, negative unconditional: 3951, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 683, Positive cache size: 654, Positive conditional cache size: 16, Positive unconditional cache size: 638, Negative cache size: 29, Negative conditional cache size: 15, Negative unconditional cache size: 14, Eliminated conditions: 3951, SemanticConditionEliminator.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 29, negative conditional: 15, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 98, positive conditional: 81, positive unconditional: 17, negative: 125, negative conditional: 50, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5461, positive: 955, positive conditional: 955, positive unconditional: 0, negative: 4475, negative conditional: 524, negative unconditional: 3951, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 683, Positive cache size: 654, Positive conditional cache size: 16, Positive unconditional cache size: 638, Negative cache size: 29, Negative conditional cache size: 15, Negative unconditional cache size: 14, Eliminated conditions: 3951, SemanticConditionEliminator.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 29, negative conditional: 15, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 98, positive conditional: 81, positive unconditional: 17, negative: 125, negative conditional: 50, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5461, positive: 955, positive conditional: 955, positive unconditional: 0, negative: 4475, negative conditional: 524, negative unconditional: 3951, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 683, Positive cache size: 654, Positive conditional cache size: 16, Positive unconditional cache size: 638, Negative cache size: 29, Negative conditional cache size: 15, Negative unconditional cache size: 14, Eliminated conditions: 3951, SemanticConditionEliminator.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5461, positive: 971, positive conditional: 971, positive unconditional: 0, negative: 4490, negative conditional: 539, negative unconditional: 3951, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 22, positive conditional: 16, positive unconditional: 6, negative: 29, negative conditional: 15, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 98, positive conditional: 81, positive unconditional: 17, negative: 125, negative conditional: 50, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5461, positive: 955, positive conditional: 955, positive unconditional: 0, negative: 4475, negative conditional: 524, negative unconditional: 3951, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 683, Positive cache size: 654, Positive conditional cache size: 16, Positive unconditional cache size: 638, Negative cache size: 29, Negative conditional cache size: 15, Negative unconditional cache size: 14, Eliminated conditions: 3951 ], Maximal queried relation: 4, Independence queries for same thread: 4164 - 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, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3318.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 2559.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, 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: 17.6ms SsaConstructionTime, 114.8ms SatisfiabilityAnalysisTime, 427.8ms InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...