/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:08:09,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:08:09,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:08:09,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 20:08:09,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 20:08:09,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 20:08:09,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 20:08:09,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 20:08:09,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 20:08:09,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 20:08:09,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 20:08:09,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 20:08:09,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 20:08:09,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 20:08:09,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 20:08:09,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 20:08:09,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 20:08:09,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 20:08:09,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 20:08:09,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 20:08:09,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 20:08:09,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 20:08:09,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 20:08:09,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 20:08:09,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 20:08:09,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 20:08:09,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 20:08:09,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 20:08:09,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 20:08:09,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 20:08:09,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 20:08:09,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 20:08:09,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 20:08:09,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 20:08:09,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 20:08:09,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 20:08:09,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 20:08:09,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 20:08:09,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 20:08:09,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 20:08:09,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 20:08:09,389 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:08:09,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:08:09,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:08:09,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:08:09,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:08:09,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:08:09,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:08:09,434 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:08:09,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:08:09,435 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:08:09,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:08:09,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:08:09,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:08:09,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:08:09,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:08:09,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:08:09,437 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:08:09,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:08:09,437 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:08:09,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:08:09,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:08:09,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:08:09,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:08:09,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:08:09,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:08:09,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:08:09,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:08:09,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:08:09,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:08:09,438 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:08:09,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:08:09,439 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:08:09,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:08:09,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:08:09,439 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:08:09,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:08:09,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:08:09,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:08:09,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:08:09,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:08:09,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 20:08:09,803 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 20:08:09,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_power.oepc.i [2021-07-14 20:08:09,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a21ac8a/885becd3df3547f18d93f48cc3eef5b1/FLAGe12447435 [2021-07-14 20:08:10,268 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 20:08:10,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_power.oepc.i [2021-07-14 20:08:10,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a21ac8a/885becd3df3547f18d93f48cc3eef5b1/FLAGe12447435 [2021-07-14 20:08:10,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a21ac8a/885becd3df3547f18d93f48cc3eef5b1 [2021-07-14 20:08:10,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:08:10,638 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 20:08:10,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 20:08:10,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 20:08:10,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 20:08:10,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:08:10" (1/1) ... [2021-07-14 20:08:10,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f63f401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:10, skipping insertion in model container [2021-07-14 20:08:10,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:08:10" (1/1) ... [2021-07-14 20:08:10,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 20:08:10,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 20:08:10,887 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/safe010_power.oepc.i[952,965] [2021-07-14 20:08:11,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:08:11,091 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 20:08:11,101 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/safe010_power.oepc.i[952,965] [2021-07-14 20:08:11,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:08:11,185 INFO L208 MainTranslator]: Completed translation [2021-07-14 20:08:11,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11 WrapperNode [2021-07-14 20:08:11,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 20:08:11,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:08:11,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:08:11,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:08:11,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:08:11,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:08:11,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:08:11,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:08:11,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (1/1) ... [2021-07-14 20:08:11,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:08:11,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:08:11,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:08:11,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:08:11,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (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 [2021-07-14 20:08:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 20:08:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 20:08:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 20:08:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 20:08:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 20:08:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 20:08:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 20:08:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 20:08:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 20:08:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 20:08:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:08:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:08:11,342 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:08:12,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:08:12,955 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-14 20:08:12,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:08:12 BoogieIcfgContainer [2021-07-14 20:08:12,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:08:12,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:08:12,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:08:12,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:08:12,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 08:08:10" (1/3) ... [2021-07-14 20:08:12,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36225419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:08:12, skipping insertion in model container [2021-07-14 20:08:12,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:11" (2/3) ... [2021-07-14 20:08:12,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36225419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:08:12, skipping insertion in model container [2021-07-14 20:08:12,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:08:12" (3/3) ... [2021-07-14 20:08:12,965 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_power.oepc.i [2021-07-14 20:08:12,973 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:08:12,974 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:08:12,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 20:08:12,974 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:08:13,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,003 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,013 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,014 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,016 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,022 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,023 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 20:08:13,046 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 20:08:13,100 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:08:13,100 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:08:13,100 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:08:13,101 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:08:13,101 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:08:13,101 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:08:13,101 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:08:13,101 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:08:13,161 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,190 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,206 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,214 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,215 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,250 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,251 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,251 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,251 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,252 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,252 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,252 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,252 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,253 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,253 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,253 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,253 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,253 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,253 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,272 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,280 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,281 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:13,321 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:08:13,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:08:13,326 INFO L82 PathProgramCache]: Analyzing trace with hash -629210588, now seen corresponding path program 1 times [2021-07-14 20:08:13,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:08:13,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613531485] [2021-07-14 20:08:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:08:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:08:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:08:14,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:08:14,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613531485] [2021-07-14 20:08:14,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613531485] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:08:14,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:08:14,121 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-14 20:08:14,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419608086] [2021-07-14 20:08:14,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 20:08:14,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:08:14,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 20:08:14,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-14 20:08:14,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:14,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:08:14,145 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 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) [2021-07-14 20:08:14,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:14,532 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,533 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,553 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,554 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,568 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,570 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,574 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,600 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,601 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,602 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,602 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,602 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,602 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,603 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,603 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,604 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,604 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,604 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,605 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,605 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,605 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,605 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,626 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,626 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,626 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,627 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,628 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,628 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,628 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,628 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,630 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,664 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,678 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,686 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,686 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,686 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,686 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,687 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,688 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,693 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,694 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,694 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,694 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,710 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,711 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,711 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,711 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,711 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,711 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,712 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,712 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,712 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,712 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,712 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,713 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,713 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,713 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,737 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,738 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,738 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,738 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,739 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,742 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,742 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,742 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,742 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,743 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,743 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,747 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,747 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,797 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,798 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,798 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,798 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,798 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,798 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,798 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_129 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,799 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,801 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:14,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:08:14,904 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:08:14,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:08:14,907 INFO L82 PathProgramCache]: Analyzing trace with hash 962616910, now seen corresponding path program 2 times [2021-07-14 20:08:14,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:08:14,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364122673] [2021-07-14 20:08:14,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:08:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:08:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:08:15,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:08:15,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364122673] [2021-07-14 20:08:15,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364122673] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:08:15,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:08:15,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 20:08:15,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226699398] [2021-07-14 20:08:15,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 20:08:15,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:08:15,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 20:08:15,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 20:08:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:15,123 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:08:15,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-07-14 20:08:15,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:15,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:15,403 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,412 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,420 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,421 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,430 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,431 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,484 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,485 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:08:15,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:08:15,508 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:08:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:08:15,508 INFO L82 PathProgramCache]: Analyzing trace with hash -91982428, now seen corresponding path program 3 times [2021-07-14 20:08:15,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:08:15,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981149209] [2021-07-14 20:08:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:08:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 20:08:15,576 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 20:08:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 20:08:15,657 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 20:08:15,702 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 20:08:15,702 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 20:08:15,702 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 20:08:15,716 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-07-14 20:08:15,718 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 20:08:15,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 08:08:15 BasicIcfg [2021-07-14 20:08:15,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 20:08:15,841 INFO L168 Benchmark]: Toolchain (without parser) took 5202.30 ms. Allocated memory was 285.2 MB in the beginning and 378.5 MB in the end (delta: 93.3 MB). Free memory was 248.0 MB in the beginning and 300.7 MB in the end (delta: -52.6 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:15,841 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 285.2 MB. Free memory is still 266.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:08:15,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.61 ms. Allocated memory is still 285.2 MB. Free memory was 247.9 MB in the beginning and 257.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:15,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.89 ms. Allocated memory is still 285.2 MB. Free memory was 257.8 MB in the beginning and 255.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:15,842 INFO L168 Benchmark]: Boogie Preprocessor took 46.55 ms. Allocated memory is still 285.2 MB. Free memory was 255.2 MB in the beginning and 253.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:15,846 INFO L168 Benchmark]: RCFGBuilder took 1677.72 ms. Allocated memory was 285.2 MB in the beginning and 378.5 MB in the end (delta: 93.3 MB). Free memory was 253.1 MB in the beginning and 329.7 MB in the end (delta: -76.6 MB). Peak memory consumption was 94.8 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:15,846 INFO L168 Benchmark]: TraceAbstraction took 2880.27 ms. Allocated memory is still 378.5 MB. Free memory was 329.1 MB in the beginning and 300.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:15,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 285.2 MB. Free memory is still 266.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 544.61 ms. Allocated memory is still 285.2 MB. Free memory was 247.9 MB in the beginning and 257.8 MB in the end (delta: -9.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.89 ms. Allocated memory is still 285.2 MB. Free memory was 257.8 MB in the beginning and 255.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.55 ms. Allocated memory is still 285.2 MB. Free memory was 255.2 MB in the beginning and 253.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1677.72 ms. Allocated memory was 285.2 MB in the beginning and 378.5 MB in the end (delta: 93.3 MB). Free memory was 253.1 MB in the beginning and 329.7 MB in the end (delta: -76.6 MB). Peak memory consumption was 94.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2880.27 ms. Allocated memory is still 378.5 MB. Free memory was 329.1 MB in the beginning and 300.7 MB in the end (delta: 28.5 MB). Peak memory consumption was 28.4 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: 3508, positive: 3390, positive conditional: 705, positive unconditional: 2685, negative: 118, negative conditional: 55, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3461, positive: 3390, positive conditional: 705, positive unconditional: 2685, negative: 71, negative conditional: 8, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3461, positive: 3380, positive conditional: 0, positive unconditional: 3380, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 687, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 687, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 92, positive conditional: 89, positive unconditional: 4, negative: 361, negative conditional: 48, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3461, positive: 2715, positive conditional: 0, positive unconditional: 2715, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 687, unknown conditional: 0, unknown unconditional: 687] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 671, Positive conditional cache size: 6, Positive unconditional cache size: 665, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 92, positive conditional: 89, positive unconditional: 4, negative: 361, negative conditional: 48, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 112, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 97, negative conditional: 2, negative unconditional: 95, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 671, Positive conditional cache size: 6, Positive unconditional cache size: 665, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Eliminated conditions: 12, SemanticConditionEliminator.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 92, positive conditional: 89, positive unconditional: 4, negative: 361, negative conditional: 48, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 112, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 97, negative conditional: 2, negative unconditional: 95, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 671, Positive conditional cache size: 6, Positive unconditional cache size: 665, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Eliminated conditions: 12 ], Maximal queried relation: 2, Independence queries for same thread: 47 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 417, Number of persistent set computation: 356, Number of trivial persistent sets: 320, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3508, positive: 3390, positive conditional: 705, positive unconditional: 2685, negative: 118, negative conditional: 55, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3461, positive: 3390, positive conditional: 705, positive unconditional: 2685, negative: 71, negative conditional: 8, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3461, positive: 3380, positive conditional: 0, positive unconditional: 3380, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 687, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 687, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 92, positive conditional: 89, positive unconditional: 4, negative: 361, negative conditional: 48, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3461, positive: 2715, positive conditional: 0, positive unconditional: 2715, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 687, unknown conditional: 0, unknown unconditional: 687] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 671, Positive conditional cache size: 6, Positive unconditional cache size: 665, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, SemanticConditionEliminator.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 92, positive conditional: 89, positive unconditional: 4, negative: 361, negative conditional: 48, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 112, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 97, negative conditional: 2, negative unconditional: 95, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 671, Positive conditional cache size: 6, Positive unconditional cache size: 665, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Eliminated conditions: 12, SemanticConditionEliminator.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 102, negative conditional: 7, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 8, positive conditional: 6, positive unconditional: 2, negative: 27, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 92, positive conditional: 89, positive unconditional: 4, negative: 361, negative conditional: 48, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 112, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 97, negative conditional: 2, negative unconditional: 95, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 698, Positive cache size: 671, Positive conditional cache size: 6, Positive unconditional cache size: 665, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Eliminated conditions: 12 ], Maximal queried relation: 2, Independence queries for same thread: 47 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L711] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L712] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L714] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L716] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L717] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L718] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L719] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L720] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L721] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L722] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L723] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L724] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L725] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L726] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L727] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L728] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L729] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L730] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L731] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L732] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] 0 pthread_t t2009; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L793] FCALL, FORK 0 pthread_create(&t2009, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 2 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L794] 0 pthread_t t2010; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L795] FCALL, FORK 0 pthread_create(&t2010, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L759] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L774] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L797] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L801] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L801] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L801] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L801] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L802] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L802] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L803] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L804] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L805] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L805] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L808] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 0 y$flush_delayed = weak$$choice2 [L811] 0 y$mem_tmp = y [L812] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L812] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L813] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L813] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L814] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L814] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L815] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L815] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L816] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L817] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L818] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L818] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) [L820] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L820] 0 y = y$flush_delayed ? y$mem_tmp : y [L821] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 104 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2650.3ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 1348.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.3ms SsaConstructionTime, 420.3ms SatisfiabilityAnalysisTime, 543.4ms InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 839 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! Received shutdown request...