/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/safe006_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:06:54,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:06:54,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:06:54,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 08:06:54,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 08:06:54,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 08:06:54,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 08:06:54,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 08:06:54,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 08:06:54,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 08:06:54,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 08:06:54,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 08:06:54,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 08:06:54,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 08:06:54,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 08:06:54,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 08:06:54,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 08:06:54,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 08:06:54,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 08:06:54,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 08:06:54,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 08:06:54,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 08:06:54,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 08:06:54,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 08:06:54,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 08:06:54,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 08:06:54,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 08:06:54,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 08:06:54,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 08:06:54,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 08:06:54,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 08:06:54,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 08:06:54,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 08:06:54,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 08:06:54,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 08:06:54,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 08:06:54,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 08:06:54,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 08:06:54,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:06:54,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:06:54,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:06:54,291 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 08:06:54,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:06:54,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:06:54,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:06:54,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:06:54,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:06:54,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:06:54,315 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:06:54,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:06:54,315 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:06:54,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:06:54,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:06:54,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:06:54,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:06:54,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:06:54,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:06:54,317 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:06:54,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:06:54,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:06:54,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:06:54,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:06:54,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:06:54,589 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:06:54,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2021-06-06 08:06:54,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc5310f6/27452ba0c6ed4c3a861e450792b2e7eb/FLAG7d55b1d5e [2021-06-06 08:06:55,024 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:06:55,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i [2021-06-06 08:06:55,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc5310f6/27452ba0c6ed4c3a861e450792b2e7eb/FLAG7d55b1d5e [2021-06-06 08:06:55,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc5310f6/27452ba0c6ed4c3a861e450792b2e7eb [2021-06-06 08:06:55,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:06:55,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:06:55,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:06:55,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:06:55,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:06:55,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bf2d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55, skipping insertion in model container [2021-06-06 08:06:55,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:06:55,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:06:55,219 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/safe006_tso.opt.i[949,962] [2021-06-06 08:06:55,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:06:55,304 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:06:55,315 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/safe006_tso.opt.i[949,962] [2021-06-06 08:06:55,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:06:55,392 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:06:55,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55 WrapperNode [2021-06-06 08:06:55,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:06:55,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:06:55,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:06:55,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:06:55,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:06:55,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:06:55,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:06:55,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:06:55,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (1/1) ... [2021-06-06 08:06:55,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:06:55,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:06:55,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:06:55,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:06:55,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (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 08:06:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:06:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 08:06:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:06:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:06:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 08:06:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 08:06:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 08:06:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 08:06:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 08:06:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 08:06:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:06:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:06:55,495 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 08:06:55,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:06:55,746 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 08:06:55,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:06:55 BoogieIcfgContainer [2021-06-06 08:06:55,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:06:55,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:06:55,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:06:55,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:06:55,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:06:55" (1/3) ... [2021-06-06 08:06:55,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b86a82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:06:55, skipping insertion in model container [2021-06-06 08:06:55,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:06:55" (2/3) ... [2021-06-06 08:06:55,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b86a82b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:06:55, skipping insertion in model container [2021-06-06 08:06:55,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:06:55" (3/3) ... [2021-06-06 08:06:55,752 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_tso.opt.i [2021-06-06 08:06:55,755 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:06:55,755 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:06:55,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:06:55,756 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:06:55,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,796 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,797 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,807 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,808 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,808 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,809 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:06:55,815 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 08:06:55,830 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 [2021-06-06 08:06:55,869 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:06:55,869 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:06:55,869 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:06:55,869 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:06:55,869 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:06:55,869 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:06:55,869 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:06:55,869 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 08:06:55,893 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:06:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:06:55,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1311383737, now seen corresponding path program 1 times [2021-06-06 08:06:55,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:06:55,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115445772] [2021-06-06 08:06:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:06:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:06:56,193 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 08:06:56,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:06:56,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115445772] [2021-06-06 08:06:56,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115445772] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:06:56,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:06:56,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:06:56,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641047726] [2021-06-06 08:06:56,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:06:56,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:06:56,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:06:56,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:06:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:06:56,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:06:56,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 08:06:56,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:06:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:06:56,398 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:06:56,398 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:06:56,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:06:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash 481631866, now seen corresponding path program 1 times [2021-06-06 08:06:56,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:06:56,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907782644] [2021-06-06 08:06:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:06:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:06:56,527 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 08:06:56,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:06:56,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907782644] [2021-06-06 08:06:56,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907782644] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:06:56,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:06:56,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:06:56,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680072854] [2021-06-06 08:06:56,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:06:56,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:06:56,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:06:56,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:06:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:06:56,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:06:56,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 08:06:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:06:56,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:06:56,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:06:56,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:06:56,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 08:06:56,831 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:06:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:06:56,839 INFO L82 PathProgramCache]: Analyzing trace with hash 659226972, now seen corresponding path program 1 times [2021-06-06 08:06:56,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:06:56,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746689993] [2021-06-06 08:06:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:06:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:06:56,981 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 08:06:56,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:06:56,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746689993] [2021-06-06 08:06:56,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746689993] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:06:56,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:06:56,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 08:06:56,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770846836] [2021-06-06 08:06:56,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 08:06:56,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:06:56,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 08:06:56,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-06 08:06:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:06:56,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:06:56,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 08:06:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:06:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:06:56,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:06:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:06:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:06:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 08:06:57,259 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 08:06:57,269 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:06:57,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:06:57 BasicIcfg [2021-06-06 08:06:57,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:06:57,271 INFO L168 Benchmark]: Toolchain (without parser) took 2221.23 ms. Allocated memory is still 396.4 MB. Free memory was 358.3 MB in the beginning and 285.1 MB in the end (delta: 73.2 MB). Peak memory consumption was 76.8 MB. Max. memory is 16.0 GB. [2021-06-06 08:06:57,272 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 396.4 MB. Free memory was 376.2 MB in the beginning and 376.2 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:06:57,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.80 ms. Allocated memory is still 396.4 MB. Free memory was 358.1 MB in the beginning and 358.0 MB in the end (delta: 69.0 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. [2021-06-06 08:06:57,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.45 ms. Allocated memory is still 396.4 MB. Free memory was 358.0 MB in the beginning and 357.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:06:57,275 INFO L168 Benchmark]: Boogie Preprocessor took 12.87 ms. Allocated memory is still 396.4 MB. Free memory was 357.0 MB in the beginning and 354.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:06:57,275 INFO L168 Benchmark]: RCFGBuilder took 317.45 ms. Allocated memory is still 396.4 MB. Free memory was 354.9 MB in the beginning and 331.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:06:57,275 INFO L168 Benchmark]: TraceAbstraction took 1522.45 ms. Allocated memory is still 396.4 MB. Free memory was 330.8 MB in the beginning and 285.1 MB in the end (delta: 45.6 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.0 GB. [2021-06-06 08:06:57,278 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 396.4 MB. Free memory was 376.2 MB in the beginning and 376.2 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 341.80 ms. Allocated memory is still 396.4 MB. Free memory was 358.1 MB in the beginning and 358.0 MB in the end (delta: 69.0 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.45 ms. Allocated memory is still 396.4 MB. Free memory was 358.0 MB in the beginning and 357.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.87 ms. Allocated memory is still 396.4 MB. Free memory was 357.0 MB in the beginning and 354.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 317.45 ms. Allocated memory is still 396.4 MB. Free memory was 354.9 MB in the beginning and 331.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1522.45 ms. Allocated memory is still 396.4 MB. Free memory was 330.8 MB in the beginning and 285.1 MB in the end (delta: 45.6 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7067, positive: 6878, positive conditional: 6878, positive unconditional: 0, negative: 189, negative conditional: 189, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6987, positive: 6878, positive conditional: 6878, positive unconditional: 0, negative: 109, negative conditional: 109, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6987, positive: 6861, positive conditional: 0, positive unconditional: 6861, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 433, positive: 425, positive conditional: 0, positive unconditional: 425, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 433, positive: 424, positive conditional: 0, positive unconditional: 424, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 69, negative conditional: 20, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6987, positive: 6436, positive conditional: 0, positive unconditional: 6436, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 433, unknown conditional: 0, unknown unconditional: 433] , Statistics on independence cache: Total cache size (in pairs): 448, Positive cache size: 429, Positive conditional cache size: 4, Positive unconditional cache size: 425, Negative cache size: 19, Negative conditional cache size: 11, Negative unconditional cache size: 8, SemanticConditionEliminator.Independence Queries: [ total: 315, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 298, negative conditional: 73, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 315, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 298, negative conditional: 73, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 69, negative conditional: 20, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 315, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 287, negative conditional: 62, negative unconditional: 225, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 448, Positive cache size: 429, Positive conditional cache size: 4, Positive unconditional cache size: 425, Negative cache size: 19, Negative conditional cache size: 11, Negative unconditional cache size: 8, Eliminated conditions: 225, SemanticConditionEliminator.Independence Queries: [ total: 315, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 298, negative conditional: 73, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 315, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 298, negative conditional: 73, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 69, negative conditional: 20, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 315, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 287, negative conditional: 62, negative unconditional: 225, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 448, Positive cache size: 429, Positive conditional cache size: 4, Positive unconditional cache size: 425, Negative cache size: 19, Negative conditional cache size: 11, Negative unconditional cache size: 8, Eliminated conditions: 225, SemanticConditionEliminator.Independence Queries: [ total: 315, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 298, negative conditional: 73, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 315, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 298, negative conditional: 73, negative unconditional: 225, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 19, negative conditional: 11, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 69, negative conditional: 20, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 315, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 287, negative conditional: 62, negative unconditional: 225, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 448, Positive cache size: 429, Positive conditional cache size: 4, Positive unconditional cache size: 425, Negative cache size: 19, Negative conditional cache size: 11, Negative unconditional cache size: 8, Eliminated conditions: 225 ], Maximal queried relation: 3, Independence queries for same thread: 80 - 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 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1419.4ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.5ms, PartialOrderReductionTime: 773.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.2ms SsaConstructionTime, 89.6ms SatisfiabilityAnalysisTime, 372.6ms InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...