/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 05:11:20,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 05:11:20,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 05:11:20,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 05:11:20,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 05:11:20,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 05:11:20,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 05:11:20,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 05:11:20,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 05:11:20,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 05:11:20,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 05:11:20,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 05:11:20,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 05:11:20,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 05:11:20,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 05:11:20,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 05:11:20,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 05:11:20,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 05:11:20,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 05:11:20,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 05:11:20,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 05:11:20,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 05:11:20,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 05:11:20,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 05:11:20,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 05:11:20,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 05:11:20,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 05:11:20,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 05:11:20,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 05:11:20,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 05:11:20,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 05:11:20,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 05:11:20,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 05:11:20,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 05:11:20,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 05:11:20,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 05:11:20,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 05:11:20,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 05:11:20,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 05:11:20,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 05:11:20,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 05:11:20,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-08-07 05:11:20,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 05:11:20,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 05:11:20,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 05:11:20,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 05:11:20,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 05:11:20,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 05:11:20,264 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 05:11:20,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 05:11:20,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 05:11:20,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:11:20,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 05:11:20,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 05:11:20,267 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 05:11:20,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 05:11:20,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 05:11:20,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 05:11:20,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 05:11:20,551 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 05:11:20,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i [2021-08-07 05:11:20,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a600a9ca/b3898e67340749a19b772813c9ebb55e/FLAG27b2b26c6 [2021-08-07 05:11:21,029 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 05:11:21,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i [2021-08-07 05:11:21,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a600a9ca/b3898e67340749a19b772813c9ebb55e/FLAG27b2b26c6 [2021-08-07 05:11:21,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a600a9ca/b3898e67340749a19b772813c9ebb55e [2021-08-07 05:11:21,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 05:11:21,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 05:11:21,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 05:11:21,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 05:11:21,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 05:11:21,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21779772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21, skipping insertion in model container [2021-08-07 05:11:21,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 05:11:21,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 05:11:21,565 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i[950,963] [2021-08-07 05:11:21,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 05:11:21,674 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 05:11:21,682 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i[950,963] [2021-08-07 05:11:21,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 05:11:21,733 INFO L208 MainTranslator]: Completed translation [2021-08-07 05:11:21,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21 WrapperNode [2021-08-07 05:11:21,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 05:11:21,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 05:11:21,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 05:11:21,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 05:11:21,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 05:11:21,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 05:11:21,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 05:11:21,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 05:11:21,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 05:11:21,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 05:11:21,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 05:11:21,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 05:11:21,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (1/1) ... [2021-08-07 05:11:21,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 05:11:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:11:21,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 05:11:21,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 05:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 05:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 05:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 05:11:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 05:11:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 05:11:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 05:11:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 05:11:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 05:11:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 05:11:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 05:11:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-07 05:11:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-07 05:11:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 05:11:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 05:11:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 05:11:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 05:11:21,870 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 05:11:22,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 05:11:22,253 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 05:11:22,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:11:22 BoogieIcfgContainer [2021-08-07 05:11:22,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 05:11:22,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 05:11:22,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 05:11:22,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 05:11:22,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:11:21" (1/3) ... [2021-08-07 05:11:22,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2667f2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:11:22, skipping insertion in model container [2021-08-07 05:11:22,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:11:21" (2/3) ... [2021-08-07 05:11:22,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2667f2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:11:22, skipping insertion in model container [2021-08-07 05:11:22,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:11:22" (3/3) ... [2021-08-07 05:11:22,263 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_tso.oepc.i [2021-08-07 05:11:22,267 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 05:11:22,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 05:11:22,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 05:11:22,267 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 05:11:22,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,304 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,305 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,305 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,306 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,307 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,308 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,308 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,309 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,313 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,318 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,318 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,321 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,322 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,322 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,325 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,325 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,325 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,327 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,327 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 05:11:22,329 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 05:11:22,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 05:11:22,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 05:11:22,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 05:11:22,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 05:11:22,393 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 05:11:22,399 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 05:11:22,399 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-07 05:11:22,433 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:11:22,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:11:22,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1067731667, now seen corresponding path program 1 times [2021-08-07 05:11:22,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:11:22,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876617597] [2021-08-07 05:11:22,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:11:22,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:11:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:11:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:11:22,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:11:22,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876617597] [2021-08-07 05:11:22,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876617597] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:11:22,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:11:22,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:11:22,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190466472] [2021-08-07 05:11:22,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:11:22,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:11:22,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:11:22,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:11:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:22,834 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:11:22,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2021-08-07 05:11:22,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:23,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 05:11:23,911 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:11:23,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:11:23,913 INFO L82 PathProgramCache]: Analyzing trace with hash 475091873, now seen corresponding path program 2 times [2021-08-07 05:11:23,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:11:23,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083387175] [2021-08-07 05:11:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:11:23,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:11:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:11:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:11:24,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:11:24,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083387175] [2021-08-07 05:11:24,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083387175] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:11:24,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:11:24,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:11:24,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188611891] [2021-08-07 05:11:24,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:11:24,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:11:24,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:11:24,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:11:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:24,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:11:24,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2021-08-07 05:11:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:24,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:24,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:24,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 05:11:24,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:11:24,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:11:24,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1997335971, now seen corresponding path program 3 times [2021-08-07 05:11:24,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:11:24,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806526439] [2021-08-07 05:11:24,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:11:24,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:11:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:11:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:11:25,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:11:25,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806526439] [2021-08-07 05:11:25,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806526439] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:11:25,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:11:25,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-07 05:11:25,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843077849] [2021-08-07 05:11:25,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-07 05:11:25,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:11:25,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-07 05:11:25,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-07 05:11:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:25,005 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:11:25,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 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) [2021-08-07 05:11:25,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:25,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:25,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:25,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:25,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 05:11:25,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 05:11:25,990 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:11:25,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:11:25,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2002676769, now seen corresponding path program 4 times [2021-08-07 05:11:25,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:11:25,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802255005] [2021-08-07 05:11:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:11:25,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:11:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:11:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:11:26,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:11:26,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802255005] [2021-08-07 05:11:26,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802255005] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:11:26,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:11:26,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:11:26,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64175816] [2021-08-07 05:11:26,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:11:26,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:11:26,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:11:26,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:11:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:26,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:11:26,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2021-08-07 05:11:26,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:26,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:26,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 05:11:26,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:27,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 05:11:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 05:11:27,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 05:11:27,175 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-07 05:11:27,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 05:11:27,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1291726029, now seen corresponding path program 5 times [2021-08-07 05:11:27,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 05:11:27,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043137150] [2021-08-07 05:11:27,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 05:11:27,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 05:11:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 05:11:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 05:11:27,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 05:11:27,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043137150] [2021-08-07 05:11:27,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043137150] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 05:11:27,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 05:11:27,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 05:11:27,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578504843] [2021-08-07 05:11:27,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 05:11:27,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 05:11:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 05:11:27,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 05:11:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:27,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 05:11:27,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 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) [2021-08-07 05:11:27,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:27,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:27,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-08-07 05:11:27,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 05:11:27,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 05:11:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 05:11:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 05:11:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 05:11:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 05:11:28,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 05:11:28,878 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 05:11:28,878 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 05:11:28,878 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 05:11:28,878 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 05:11:28,878 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 05:11:28,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 05:11:28,888 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 05:11:28,888 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 05:11:28,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 05:11:28 BasicIcfg [2021-08-07 05:11:28,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 05:11:28,890 INFO L168 Benchmark]: Toolchain (without parser) took 7498.53 ms. Allocated memory was 191.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 155.4 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 511.1 MB. Max. memory is 8.0 GB. [2021-08-07 05:11:28,891 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 191.9 MB. Free memory was 173.8 MB in the beginning and 173.7 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 05:11:28,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.46 ms. Allocated memory is still 191.9 MB. Free memory was 155.1 MB in the beginning and 164.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. [2021-08-07 05:11:28,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.55 ms. Allocated memory is still 191.9 MB. Free memory was 164.0 MB in the beginning and 161.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 05:11:28,891 INFO L168 Benchmark]: Boogie Preprocessor took 17.25 ms. Allocated memory is still 191.9 MB. Free memory was 161.9 MB in the beginning and 160.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 05:11:28,891 INFO L168 Benchmark]: RCFGBuilder took 454.83 ms. Allocated memory is still 191.9 MB. Free memory was 160.3 MB in the beginning and 134.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-08-07 05:11:28,892 INFO L168 Benchmark]: TraceAbstraction took 6631.58 ms. Allocated memory was 191.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 133.6 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 488.8 MB. Max. memory is 8.0 GB. [2021-08-07 05:11:28,893 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 191.9 MB. Free memory was 173.8 MB in the beginning and 173.7 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 338.46 ms. Allocated memory is still 191.9 MB. Free memory was 155.1 MB in the beginning and 164.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.55 ms. Allocated memory is still 191.9 MB. Free memory was 164.0 MB in the beginning and 161.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.25 ms. Allocated memory is still 191.9 MB. Free memory was 161.9 MB in the beginning and 160.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 454.83 ms. Allocated memory is still 191.9 MB. Free memory was 160.3 MB in the beginning and 134.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6631.58 ms. Allocated memory was 191.9 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 133.6 MB in the beginning and 2.0 GB in the end (delta: -1.8 GB). Peak memory consumption was 488.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 742554, positive: 720629, positive conditional: 720629, positive unconditional: 0, negative: 21925, negative conditional: 21925, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 725003, positive: 720629, positive conditional: 720629, positive unconditional: 0, negative: 4374, negative conditional: 4374, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 725003, positive: 720629, positive conditional: 720629, positive unconditional: 0, negative: 4374, negative conditional: 4374, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 746876, positive: 720629, positive conditional: 720607, positive unconditional: 22, negative: 26247, negative conditional: 21873, negative unconditional: 4374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 746876, positive: 720629, positive conditional: 117491, positive unconditional: 603138, negative: 26247, negative conditional: 2583, negative unconditional: 23664, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 746876, positive: 720629, positive conditional: 117491, positive unconditional: 603138, negative: 26247, negative conditional: 2583, negative unconditional: 23664, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1171, positive: 1140, positive conditional: 261, positive unconditional: 879, negative: 31, negative conditional: 15, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1171, positive: 1101, positive conditional: 0, positive unconditional: 1101, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 39, positive conditional: 27, positive unconditional: 12, negative: 31, negative conditional: 15, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 62, positive conditional: 40, positive unconditional: 22, negative: 67, negative conditional: 25, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 746876, positive: 719489, positive conditional: 117230, positive unconditional: 602259, negative: 26216, negative conditional: 2568, negative unconditional: 23648, unknown: 1171, unknown conditional: 276, unknown unconditional: 895] , Statistics on independence cache: Total cache size (in pairs): 1171, Positive cache size: 1140, Positive conditional cache size: 261, Positive unconditional cache size: 879, Negative cache size: 31, Negative conditional cache size: 15, Negative unconditional cache size: 16, Eliminated conditions: 622406, Maximal queried relation: 5, Independence queries for same thread: 17551 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 128 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6528.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 5475.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 19.5ms SsaConstructionTime, 212.9ms SatisfiabilityAnalysisTime, 614.6ms InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 390 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 05:11:28,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 05:11:29,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...