/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 02:27:51,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 02:27:51,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 02:27:51,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 02:27:51,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 02:27:51,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 02:27:51,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 02:27:51,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 02:27:51,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 02:27:51,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 02:27:51,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 02:27:51,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 02:27:51,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 02:27:51,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 02:27:51,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 02:27:51,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 02:27:51,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 02:27:51,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 02:27:51,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 02:27:51,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 02:27:51,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 02:27:51,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 02:27:51,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 02:27:51,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 02:27:51,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 02:27:51,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 02:27:51,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 02:27:51,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 02:27:51,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 02:27:51,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 02:27:51,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 02:27:51,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 02:27:51,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 02:27:51,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 02:27:51,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 02:27:51,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 02:27:51,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 02:27:51,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 02:27:51,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 02:27:51,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 02:27:51,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 02:27:51,343 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-DelaySleep-NoLbe.epf [2021-06-06 02:27:51,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 02:27:51,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 02:27:51,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 02:27:51,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 02:27:51,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 02:27:51,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 02:27:51,379 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 02:27:51,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 02:27:51,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 02:27:51,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 02:27:51,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 02:27:51,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 02:27:51,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 02:27:51,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 02:27:51,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 02:27:51,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 02:27:51,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 02:27:51,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 02:27:51,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 02:27:51,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 02:27:51,627 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 02:27:51,627 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 02:27:51,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-06-06 02:27:51,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9785ac671/22daf8e47d4a413685040f7d43b61c09/FLAG3ab14a3d1 [2021-06-06 02:27:52,013 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 02:27:52,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.opt.i [2021-06-06 02:27:52,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9785ac671/22daf8e47d4a413685040f7d43b61c09/FLAG3ab14a3d1 [2021-06-06 02:27:52,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9785ac671/22daf8e47d4a413685040f7d43b61c09 [2021-06-06 02:27:52,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 02:27:52,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 02:27:52,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 02:27:52,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 02:27:52,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 02:27:52,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c8d68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52, skipping insertion in model container [2021-06-06 02:27:52,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 02:27:52,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 02:27:52,644 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/safe034_tso.opt.i[949,962] [2021-06-06 02:27:52,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:27:52,786 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 02:27:52,793 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/safe034_tso.opt.i[949,962] [2021-06-06 02:27:52,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:27:52,873 INFO L208 MainTranslator]: Completed translation [2021-06-06 02:27:52,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52 WrapperNode [2021-06-06 02:27:52,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 02:27:52,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 02:27:52,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 02:27:52,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 02:27:52,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 02:27:52,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 02:27:52,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 02:27:52,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 02:27:52,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (1/1) ... [2021-06-06 02:27:52,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 02:27:52,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 02:27:52,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 02:27:52,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 02:27:52,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (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 [2021-06-06 02:27:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 02:27:53,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 02:27:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 02:27:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 02:27:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 02:27:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 02:27:53,011 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 02:27:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 02:27:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 02:27:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 02:27:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 02:27:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 02:27:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 02:27:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 02:27:53,014 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 02:27:53,275 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 02:27:53,275 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 02:27:53,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:27:53 BoogieIcfgContainer [2021-06-06 02:27:53,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 02:27:53,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 02:27:53,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 02:27:53,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 02:27:53,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:27:52" (1/3) ... [2021-06-06 02:27:53,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ef5912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:27:53, skipping insertion in model container [2021-06-06 02:27:53,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:52" (2/3) ... [2021-06-06 02:27:53,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ef5912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:27:53, skipping insertion in model container [2021-06-06 02:27:53,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:27:53" (3/3) ... [2021-06-06 02:27:53,281 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_tso.opt.i [2021-06-06 02:27:53,285 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 02:27:53,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 02:27:53,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 02:27:53,286 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 02:27:53,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,319 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,320 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,320 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,324 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,324 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,325 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,325 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:27:53,327 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 02:27:53,342 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 02:27:53,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 02:27:53,384 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 02:27:53,384 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 02:27:53,384 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 02:27:53,384 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 02:27:53,384 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 02:27:53,384 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 02:27:53,384 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 02:27:53,430 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:27:53,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:27:53,433 INFO L82 PathProgramCache]: Analyzing trace with hash 844422240, now seen corresponding path program 1 times [2021-06-06 02:27:53,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:27:53,439 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001482160] [2021-06-06 02:27:53,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:27:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:27:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:27:53,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:27:53,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001482160] [2021-06-06 02:27:53,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001482160] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:27:53,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:27:53,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 02:27:53,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581944073] [2021-06-06 02:27:53,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 02:27:53,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:27:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 02:27:53,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 02:27:53,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:53,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:27:53,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-06-06 02:27:53,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 02:27:53,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 02:27:53,942 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:27:53,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:27:53,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1038329698, now seen corresponding path program 1 times [2021-06-06 02:27:53,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:27:53,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229252566] [2021-06-06 02:27:53,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:27:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:27:54,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:27:54,079 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:27:54,079 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229252566] [2021-06-06 02:27:54,079 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229252566] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:27:54,079 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:27:54,079 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 02:27:54,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775675309] [2021-06-06 02:27:54,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 02:27:54,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:27:54,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 02:27:54,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 02:27:54,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:54,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:27:54,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2021-06-06 02:27:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 02:27:54,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:54,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:27:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 02:27:54,513 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 02:27:54,513 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:27:54,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:27:54,513 INFO L82 PathProgramCache]: Analyzing trace with hash -218117100, now seen corresponding path program 2 times [2021-06-06 02:27:54,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:27:54,514 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287154810] [2021-06-06 02:27:54,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:27:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:27:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:27:54,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:27:54,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287154810] [2021-06-06 02:27:54,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287154810] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:27:54,618 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:27:54,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:27:54,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584165962] [2021-06-06 02:27:54,619 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:27:54,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:27:54,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:27:54,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:27:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:54,619 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:27:54,620 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-06-06 02:27:54,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:27:54,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 02:27:54,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:27:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 02:27:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 02:27:54,923 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 02:27:54,924 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:27:54,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:27:54,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1180737776, now seen corresponding path program 3 times [2021-06-06 02:27:54,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:27:54,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728005170] [2021-06-06 02:27:54,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:27:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:27:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:27:55,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:27:55,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728005170] [2021-06-06 02:27:55,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728005170] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:27:55,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:27:55,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:27:55,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176585794] [2021-06-06 02:27:55,067 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:27:55,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:27:55,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:27:55,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:27:55,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:55,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:27:55,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-06-06 02:27:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:27:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 02:27:55,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 02:27:55,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:27:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:27:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 02:27:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 02:27:55,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 02:27:55,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 02:27:55,625 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 02:27:55,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:27:55 BasicIcfg [2021-06-06 02:27:55,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 02:27:55,627 INFO L168 Benchmark]: Toolchain (without parser) took 3169.49 ms. Allocated memory was 402.7 MB in the beginning and 528.5 MB in the end (delta: 125.8 MB). Free memory was 364.7 MB in the beginning and 423.0 MB in the end (delta: -58.2 MB). Peak memory consumption was 244.2 MB. Max. memory is 16.0 GB. [2021-06-06 02:27:55,627 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 402.7 MB. Free memory was 382.6 MB in the beginning and 382.5 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:27:55,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.41 ms. Allocated memory is still 402.7 MB. Free memory was 364.4 MB in the beginning and 363.5 MB in the end (delta: 954.2 kB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2021-06-06 02:27:55,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.16 ms. Allocated memory is still 402.7 MB. Free memory was 363.5 MB in the beginning and 362.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:27:55,630 INFO L168 Benchmark]: Boogie Preprocessor took 31.41 ms. Allocated memory is still 402.7 MB. Free memory was 362.4 MB in the beginning and 360.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 02:27:55,630 INFO L168 Benchmark]: RCFGBuilder took 324.02 ms. Allocated memory is still 402.7 MB. Free memory was 360.3 MB in the beginning and 335.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 02:27:55,630 INFO L168 Benchmark]: TraceAbstraction took 2348.87 ms. Allocated memory was 402.7 MB in the beginning and 528.5 MB in the end (delta: 125.8 MB). Free memory was 335.2 MB in the beginning and 423.0 MB in the end (delta: -87.8 MB). Peak memory consumption was 216.3 MB. Max. memory is 16.0 GB. [2021-06-06 02:27:55,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 402.7 MB. Free memory was 382.6 MB in the beginning and 382.5 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 414.41 ms. Allocated memory is still 402.7 MB. Free memory was 364.4 MB in the beginning and 363.5 MB in the end (delta: 954.2 kB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.16 ms. Allocated memory is still 402.7 MB. Free memory was 363.5 MB in the beginning and 362.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.41 ms. Allocated memory is still 402.7 MB. Free memory was 362.4 MB in the beginning and 360.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 324.02 ms. Allocated memory is still 402.7 MB. Free memory was 360.3 MB in the beginning and 335.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2348.87 ms. Allocated memory was 402.7 MB in the beginning and 528.5 MB in the end (delta: 125.8 MB). Free memory was 335.2 MB in the beginning and 423.0 MB in the end (delta: -87.8 MB). Peak memory consumption was 216.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54483, positive: 53621, positive conditional: 53621, positive unconditional: 0, negative: 862, negative conditional: 862, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 54110, positive: 53621, positive conditional: 53621, positive unconditional: 0, negative: 489, negative conditional: 489, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 54110, positive: 53295, positive conditional: 0, positive unconditional: 53295, negative: 815, negative conditional: 0, negative unconditional: 815, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 633, positive: 624, positive conditional: 0, positive unconditional: 624, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 633, positive: 620, positive conditional: 0, positive unconditional: 620, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 36, negative conditional: 5, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54110, positive: 52671, positive conditional: 0, positive unconditional: 52671, negative: 806, negative conditional: 0, negative unconditional: 806, unknown: 633, unknown conditional: 0, unknown unconditional: 633] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 36, negative conditional: 5, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 36, negative conditional: 5, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 36, negative conditional: 5, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548, SemanticConditionEliminator.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1980, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 1654, negative conditional: 106, negative unconditional: 1548, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 21, positive conditional: 13, positive unconditional: 8, negative: 36, negative conditional: 5, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1980, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 1653, negative conditional: 105, negative unconditional: 1548, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 644, Positive cache size: 634, Positive conditional cache size: 10, Positive unconditional cache size: 624, Negative cache size: 10, Negative conditional cache size: 1, Negative unconditional cache size: 9, Eliminated conditions: 1548 ], Maximal queried relation: 4, Independence queries for same thread: 373 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2267.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 1496.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 139.3ms SatisfiabilityAnalysisTime, 433.5ms InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...