/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/safe009_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:06:07,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:06:07,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:06:07,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 05:06:07,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 05:06:07,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 05:06:07,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 05:06:07,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 05:06:07,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 05:06:07,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 05:06:07,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 05:06:07,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 05:06:07,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 05:06:07,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 05:06:07,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 05:06:07,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 05:06:07,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 05:06:07,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 05:06:07,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 05:06:07,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 05:06:07,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 05:06:07,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 05:06:07,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 05:06:07,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 05:06:07,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 05:06:07,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 05:06:07,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 05:06:07,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 05:06:07,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 05:06:07,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 05:06:07,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 05:06:07,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 05:06:07,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 05:06:07,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 05:06:07,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 05:06:07,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 05:06:07,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 05:06:07,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 05:06:07,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:06:07,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:06:07,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:06:07,228 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 05:06:07,259 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:06:07,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:06:07,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:06:07,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:06:07,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:06:07,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:06:07,262 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:06:07,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:06:07,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:06:07,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:06:07,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:06:07,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:06:07,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:06:07,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:06:07,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:06:07,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:06:07,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:06:07,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:06:07,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:06:07,266 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:06:07,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:06:07,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:06:07,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:06:07,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:06:07,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:06:07,516 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:06:07,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i [2021-03-12 05:06:07,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee47ee7f/f7820d63c4704501a0471240be180cac/FLAGe29831080 [2021-03-12 05:06:08,006 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:06:08,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.opt.i [2021-03-12 05:06:08,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee47ee7f/f7820d63c4704501a0471240be180cac/FLAGe29831080 [2021-03-12 05:06:08,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee47ee7f/f7820d63c4704501a0471240be180cac [2021-03-12 05:06:08,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:06:08,036 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:06:08,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:06:08,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:06:08,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:06:08,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158e7088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08, skipping insertion in model container [2021-03-12 05:06:08,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:06:08,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:06:08,225 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/safe009_tso.opt.i[949,962] [2021-03-12 05:06:08,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:06:08,307 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:06:08,314 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/safe009_tso.opt.i[949,962] [2021-03-12 05:06:08,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:06:08,371 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:06:08,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08 WrapperNode [2021-03-12 05:06:08,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:06:08,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:06:08,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:06:08,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:06:08,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:06:08,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:06:08,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:06:08,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:06:08,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (1/1) ... [2021-03-12 05:06:08,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:06:08,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:06:08,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:06:08,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:06:08,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (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 05:06:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:06:08,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:06:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:06:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 05:06:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:06:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:06:08,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:06:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:06:08,471 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 05:06:08,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:06:08,685 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:06:08,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:06:08 BoogieIcfgContainer [2021-03-12 05:06:08,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:06:08,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:06:08,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:06:08,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:06:08,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:06:08" (1/3) ... [2021-03-12 05:06:08,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db074d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:06:08, skipping insertion in model container [2021-03-12 05:06:08,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:06:08" (2/3) ... [2021-03-12 05:06:08,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db074d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:06:08, skipping insertion in model container [2021-03-12 05:06:08,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:06:08" (3/3) ... [2021-03-12 05:06:08,690 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_tso.opt.i [2021-03-12 05:06:08,693 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:06:08,694 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:06:08,696 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:06:08,696 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,712 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,715 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,716 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,716 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,718 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,718 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,719 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,719 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,720 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,720 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:06:08,721 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:06:08,731 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 05:06:08,754 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:06:08,754 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:06:08,755 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:06:08,755 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:06:08,755 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:06:08,755 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:06:08,755 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:06:08,755 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 05:06:08,795 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:06:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:06:08,798 INFO L82 PathProgramCache]: Analyzing trace with hash -628599303, now seen corresponding path program 1 times [2021-03-12 05:06:08,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:06:08,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803103717] [2021-03-12 05:06:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:06:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:06:09,058 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 05:06:09,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803103717] [2021-03-12 05:06:09,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:06:09,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:06:09,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279997411] [2021-03-12 05:06:09,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:06:09,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:06:09,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:06:09,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:06:09,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:09,076 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:06:09,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 05:06:09,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:09,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:06:09,555 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:06:09,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:06:09,556 INFO L82 PathProgramCache]: Analyzing trace with hash -43869905, now seen corresponding path program 2 times [2021-03-12 05:06:09,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:06:09,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575055616] [2021-03-12 05:06:09,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:06:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:06:09,674 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 05:06:09,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575055616] [2021-03-12 05:06:09,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:06:09,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:06:09,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553560627] [2021-03-12 05:06:09,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:06:09,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:06:09,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:06:09,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:06:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:09,679 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:06:09,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 05:06:09,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:09,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:10,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:10,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:06:10,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:06:10,117 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:06:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:06:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1192165443, now seen corresponding path program 3 times [2021-03-12 05:06:10,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:06:10,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225204569] [2021-03-12 05:06:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:06:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:06:10,194 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 05:06:10,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225204569] [2021-03-12 05:06:10,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:06:10,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:06:10,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953724111] [2021-03-12 05:06:10,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:06:10,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:06:10,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:06:10,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:06:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:10,216 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:06:10,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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 05:06:10,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:10,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:06:10,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:06:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:10,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:06:10,936 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:06:10,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:06:10,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1546021543, now seen corresponding path program 4 times [2021-03-12 05:06:10,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:06:10,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557366571] [2021-03-12 05:06:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:06:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:06:11,045 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 05:06:11,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557366571] [2021-03-12 05:06:11,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:06:11,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:06:11,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489930762] [2021-03-12 05:06:11,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:06:11,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:06:11,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:06:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:06:11,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:11,047 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:06:11,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 05:06:11,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:11,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:06:11,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:11,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:06:11,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:06:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 05:06:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:06:11,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 05:06:11,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:06:11 BasicIcfg [2021-03-12 05:06:11,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:06:11,624 INFO L168 Benchmark]: Toolchain (without parser) took 3590.30 ms. Allocated memory was 255.9 MB in the beginning and 643.8 MB in the end (delta: 388.0 MB). Free memory was 235.4 MB in the beginning and 402.1 MB in the end (delta: -166.7 MB). Peak memory consumption was 221.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:06:11,624 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:06:11,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.30 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.8 MB in the beginning and 325.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-12 05:06:11,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.14 ms. Allocated memory is still 362.8 MB. Free memory was 325.5 MB in the beginning and 323.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:06:11,625 INFO L168 Benchmark]: Boogie Preprocessor took 12.27 ms. Allocated memory is still 362.8 MB. Free memory was 323.8 MB in the beginning and 322.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:06:11,625 INFO L168 Benchmark]: RCFGBuilder took 259.67 ms. Allocated memory is still 362.8 MB. Free memory was 322.1 MB in the beginning and 338.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.0 GB. [2021-03-12 05:06:11,626 INFO L168 Benchmark]: TraceAbstraction took 2936.15 ms. Allocated memory was 362.8 MB in the beginning and 643.8 MB in the end (delta: 281.0 MB). Free memory was 337.3 MB in the beginning and 402.1 MB in the end (delta: -64.7 MB). Peak memory consumption was 216.0 MB. Max. memory is 16.0 GB. [2021-03-12 05:06:11,627 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 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 334.30 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.8 MB in the beginning and 325.5 MB in the end (delta: -90.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.14 ms. Allocated memory is still 362.8 MB. Free memory was 325.5 MB in the beginning and 323.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.27 ms. Allocated memory is still 362.8 MB. Free memory was 323.8 MB in the beginning and 322.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 259.67 ms. Allocated memory is still 362.8 MB. Free memory was 322.1 MB in the beginning and 338.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2936.15 ms. Allocated memory was 362.8 MB in the beginning and 643.8 MB in the end (delta: 281.0 MB). Free memory was 337.3 MB in the beginning and 402.1 MB in the end (delta: -64.7 MB). Peak memory consumption was 216.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 132549, positive: 126622, positive conditional: 126622, positive unconditional: 0, negative: 5927, negative conditional: 5927, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 127893, positive: 126622, positive conditional: 126622, positive unconditional: 0, negative: 1271, negative conditional: 1271, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 127893, positive: 125767, positive conditional: 0, positive unconditional: 125767, negative: 2126, negative conditional: 0, negative unconditional: 2126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 601, positive: 589, positive conditional: 0, positive unconditional: 589, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 601, positive: 585, positive conditional: 0, positive unconditional: 585, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 72, positive conditional: 60, positive unconditional: 13, negative: 67, negative conditional: 24, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127893, positive: 125178, positive conditional: 0, positive unconditional: 125178, negative: 2114, negative conditional: 0, negative unconditional: 2114, unknown: 601, unknown conditional: 0, unknown unconditional: 601] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 607, Positive conditional cache size: 18, Positive unconditional cache size: 589, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 72, positive conditional: 60, positive unconditional: 13, negative: 67, negative conditional: 24, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5824, positive: 837, positive conditional: 837, positive unconditional: 0, negative: 4959, negative conditional: 317, negative unconditional: 4642, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 607, Positive conditional cache size: 18, Positive unconditional cache size: 589, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, Eliminated conditions: 4642, SemanticConditionEliminator.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 72, positive conditional: 60, positive unconditional: 13, negative: 67, negative conditional: 24, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5824, positive: 837, positive conditional: 837, positive unconditional: 0, negative: 4959, negative conditional: 317, negative unconditional: 4642, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 607, Positive conditional cache size: 18, Positive unconditional cache size: 589, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, Eliminated conditions: 4642, SemanticConditionEliminator.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 72, positive conditional: 60, positive unconditional: 13, negative: 67, negative conditional: 24, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5824, positive: 837, positive conditional: 837, positive unconditional: 0, negative: 4959, negative conditional: 317, negative unconditional: 4642, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 607, Positive conditional cache size: 18, Positive unconditional cache size: 589, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, Eliminated conditions: 4642, SemanticConditionEliminator.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5824, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4969, negative conditional: 327, negative unconditional: 4642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 22, positive conditional: 18, positive unconditional: 4, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 72, positive conditional: 60, positive unconditional: 13, negative: 67, negative conditional: 24, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5824, positive: 837, positive conditional: 837, positive unconditional: 0, negative: 4959, negative conditional: 317, negative unconditional: 4642, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 607, Positive conditional cache size: 18, Positive unconditional cache size: 589, Negative cache size: 22, Negative conditional cache size: 10, Negative unconditional cache size: 12, Eliminated conditions: 4642 ], Maximal queried relation: 4, Independence queries for same thread: 4656 - 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, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2881.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.9ms, PartialOrderReductionTime: 2233.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 9.3ms SsaConstructionTime, 71.6ms SatisfiabilityAnalysisTime, 418.4ms InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 699 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...