/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 02:58:48,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 02:58:48,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 02:58:48,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 02:58:48,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 02:58:48,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 02:58:48,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 02:58:48,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 02:58:48,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 02:58:48,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 02:58:48,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 02:58:48,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 02:58:48,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 02:58:48,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 02:58:48,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 02:58:48,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 02:58:48,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 02:58:48,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 02:58:48,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 02:58:48,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 02:58:48,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 02:58:48,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 02:58:48,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 02:58:48,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 02:58:48,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 02:58:48,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 02:58:48,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 02:58:48,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 02:58:48,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 02:58:48,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 02:58:48,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 02:58:48,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 02:58:48,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 02:58:48,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 02:58:48,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 02:58:48,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 02:58:48,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 02:58:48,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 02:58:48,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 02:58:48,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 02:58:48,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 02:58:48,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-07-14 02:58:48,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 02:58:48,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 02:58:48,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 02:58:48,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 02:58:48,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 02:58:48,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 02:58:48,579 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 02:58:48,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 02:58:48,580 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 02:58:48,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 02:58:48,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 02:58:48,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 02:58:48,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 02:58:48,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 02:58:48,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 02:58:48,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 02:58:48,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 02:58:48,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 02:58:48,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 02:58:48,583 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 02:58:48,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 02:58:48,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 02:58:48,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 02:58:48,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 02:58:48,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 02:58:48,890 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 02:58:48,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-07-14 02:58:48,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235a76828/198e13558cc44dabb021599966ad3349/FLAG8a664ce0c [2021-07-14 02:58:49,305 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 02:58:49,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-07-14 02:58:49,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235a76828/198e13558cc44dabb021599966ad3349/FLAG8a664ce0c [2021-07-14 02:58:49,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235a76828/198e13558cc44dabb021599966ad3349 [2021-07-14 02:58:49,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 02:58:49,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 02:58:49,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 02:58:49,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 02:58:49,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 02:58:49,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:58:49" (1/1) ... [2021-07-14 02:58:49,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99557e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:49, skipping insertion in model container [2021-07-14 02:58:49,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:58:49" (1/1) ... [2021-07-14 02:58:49,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 02:58:49,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 02:58:49,823 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/thin002_pso.opt.i[949,962] [2021-07-14 02:58:49,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:58:49,942 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 02:58:49,953 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/thin002_pso.opt.i[949,962] [2021-07-14 02:58:49,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 02:58:50,021 INFO L208 MainTranslator]: Completed translation [2021-07-14 02:58:50,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50 WrapperNode [2021-07-14 02:58:50,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 02:58:50,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 02:58:50,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 02:58:50,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 02:58:50,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 02:58:50,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 02:58:50,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 02:58:50,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 02:58:50,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... [2021-07-14 02:58:50,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 02:58:50,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 02:58:50,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 02:58:50,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 02:58:50,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 02:58:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 02:58:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 02:58:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 02:58:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-14 02:58:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 02:58:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 02:58:50,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 02:58:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 02:58:50,147 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 02:58:50,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 02:58:50,371 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 02:58:50,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:58:50 BoogieIcfgContainer [2021-07-14 02:58:50,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 02:58:50,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 02:58:50,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 02:58:50,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 02:58:50,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:58:49" (1/3) ... [2021-07-14 02:58:50,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1088014f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:58:50, skipping insertion in model container [2021-07-14 02:58:50,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:58:50" (2/3) ... [2021-07-14 02:58:50,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1088014f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:58:50, skipping insertion in model container [2021-07-14 02:58:50,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:58:50" (3/3) ... [2021-07-14 02:58:50,377 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2021-07-14 02:58:50,381 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 02:58:50,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 02:58:50,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 02:58:50,382 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 02:58:50,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,409 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,409 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,412 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,413 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,414 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,414 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,415 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,416 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,416 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,416 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,416 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,416 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,417 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,417 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,417 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,417 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,419 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,419 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,419 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,422 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,423 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,423 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,424 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,424 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,425 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,425 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,426 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,427 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 02:58:50,428 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 02:58:50,443 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 02:58:50,493 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 02:58:50,493 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 02:58:50,493 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 02:58:50,493 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 02:58:50,493 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 02:58:50,493 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 02:58:50,493 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 02:58:50,494 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 02:58:50,561 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:58:50,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:58:50,567 INFO L82 PathProgramCache]: Analyzing trace with hash 219562819, now seen corresponding path program 1 times [2021-07-14 02:58:50,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:58:50,574 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661027162] [2021-07-14 02:58:50,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:58:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:58:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:58:50,719 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:58:50,720 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661027162] [2021-07-14 02:58:50,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661027162] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:58:50,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:58:50,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 02:58:50,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814648339] [2021-07-14 02:58:50,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 02:58:50,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:58:50,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 02:58:50,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 02:58:50,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:50,744 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:58:50,746 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:58:50,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:50,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 02:58:50,987 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:58:50,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:58:50,989 INFO L82 PathProgramCache]: Analyzing trace with hash -190192830, now seen corresponding path program 1 times [2021-07-14 02:58:50,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:58:50,989 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893111128] [2021-07-14 02:58:51,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:58:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:58:51,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:58:51,243 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:58:51,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893111128] [2021-07-14 02:58:51,243 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893111128] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:58:51,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:58:51,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:58:51,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902424408] [2021-07-14 02:58:51,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:58:51,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:58:51,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:58:51,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:58:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:51,245 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:58:51,245 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:58:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:52,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:52,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:52,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 02:58:52,088 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:58:52,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:58:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash 2134568006, now seen corresponding path program 1 times [2021-07-14 02:58:52,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:58:52,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624132453] [2021-07-14 02:58:52,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:58:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:58:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:58:52,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:58:52,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624132453] [2021-07-14 02:58:52,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624132453] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:58:52,242 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:58:52,242 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:58:52,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808387154] [2021-07-14 02:58:52,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:58:52,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:58:52,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:58:52,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:58:52,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:52,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:58:52,245 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:58:52,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:52,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:52,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:53,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 02:58:53,079 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:58:53,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:58:53,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1854249278, now seen corresponding path program 1 times [2021-07-14 02:58:53,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:58:53,080 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746565919] [2021-07-14 02:58:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:58:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:58:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:58:53,174 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:58:53,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746565919] [2021-07-14 02:58:53,174 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746565919] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:58:53,174 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:58:53,174 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 02:58:53,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566474695] [2021-07-14 02:58:53,174 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 02:58:53,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:58:53,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 02:58:53,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 02:58:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:53,175 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:58:53,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:58:53,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:53,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:53,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:53,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 02:58:54,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 02:58:54,340 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:58:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:58:54,340 INFO L82 PathProgramCache]: Analyzing trace with hash -683332104, now seen corresponding path program 1 times [2021-07-14 02:58:54,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:58:54,340 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084777797] [2021-07-14 02:58:54,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:58:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:58:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:58:54,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:58:54,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084777797] [2021-07-14 02:58:54,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084777797] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:58:54,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:58:54,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:58:54,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048936758] [2021-07-14 02:58:54,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:58:54,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:58:54,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:58:54,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:58:54,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:54,419 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:58:54,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:58:54,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:54,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:54,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 02:58:54,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 02:58:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:55,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 02:58:55,941 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 02:58:55,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 02:58:55,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1494877604, now seen corresponding path program 1 times [2021-07-14 02:58:55,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 02:58:55,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209047233] [2021-07-14 02:58:55,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 02:58:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 02:58:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 02:58:56,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 02:58:56,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209047233] [2021-07-14 02:58:56,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209047233] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 02:58:56,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 02:58:56,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 02:58:56,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948942133] [2021-07-14 02:58:56,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 02:58:56,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 02:58:56,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 02:58:56,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 02:58:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:56,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 02:58:56,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 02:58:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:58:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:58:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 02:58:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:58:56,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:59:08,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 02:59:08,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 02:59:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:59:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 02:59:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:59:08,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 02:59:08,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 02:59:08,232 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 02:59:08,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 02:59:08 BasicIcfg [2021-07-14 02:59:08,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 02:59:08,234 INFO L168 Benchmark]: Toolchain (without parser) took 18540.33 ms. Allocated memory was 216.0 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 178.6 MB in the beginning and 6.1 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-14 02:59:08,234 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 216.0 MB. Free memory is still 197.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 02:59:08,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.55 ms. Allocated memory is still 216.0 MB. Free memory was 178.6 MB in the beginning and 189.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:59:08,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.35 ms. Allocated memory is still 216.0 MB. Free memory was 189.6 MB in the beginning and 187.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 02:59:08,235 INFO L168 Benchmark]: Boogie Preprocessor took 24.61 ms. Allocated memory is still 216.0 MB. Free memory was 187.5 MB in the beginning and 185.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 02:59:08,236 INFO L168 Benchmark]: RCFGBuilder took 279.16 ms. Allocated memory is still 216.0 MB. Free memory was 185.9 MB in the beginning and 159.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-07-14 02:59:08,236 INFO L168 Benchmark]: TraceAbstraction took 17860.17 ms. Allocated memory was 216.0 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 158.7 MB in the beginning and 6.1 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-14 02:59:08,238 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 216.0 MB. Free memory is still 197.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 325.55 ms. Allocated memory is still 216.0 MB. Free memory was 178.6 MB in the beginning and 189.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.35 ms. Allocated memory is still 216.0 MB. Free memory was 189.6 MB in the beginning and 187.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.61 ms. Allocated memory is still 216.0 MB. Free memory was 187.5 MB in the beginning and 185.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 279.16 ms. Allocated memory is still 216.0 MB. Free memory was 185.9 MB in the beginning and 159.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17860.17 ms. Allocated memory was 216.0 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 158.7 MB in the beginning and 6.1 GB in the end (delta: -5.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1446118, positive: 1431779, positive conditional: 1431779, positive unconditional: 0, negative: 14339, negative conditional: 14339, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1443668, positive: 1431779, positive conditional: 1431779, positive unconditional: 0, negative: 11889, negative conditional: 11889, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1443668, positive: 1428797, positive conditional: 0, positive unconditional: 1428797, negative: 14871, negative conditional: 0, negative unconditional: 14871, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1077, positive: 1057, positive conditional: 0, positive unconditional: 1057, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1077, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1443668, positive: 1427740, positive conditional: 0, positive unconditional: 1427740, negative: 14851, negative conditional: 0, negative unconditional: 14851, unknown: 1077, unknown conditional: 0, unknown unconditional: 1077] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71591, positive: 2960, positive conditional: 2960, positive unconditional: 0, negative: 68577, negative conditional: 6419, negative unconditional: 62158, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Eliminated conditions: 62158, SemanticConditionEliminator.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71591, positive: 2960, positive conditional: 2960, positive unconditional: 0, negative: 68577, negative conditional: 6419, negative unconditional: 62158, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Eliminated conditions: 62158, SemanticConditionEliminator.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71591, positive: 2960, positive conditional: 2960, positive unconditional: 0, negative: 68577, negative conditional: 6419, negative unconditional: 62158, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Eliminated conditions: 62158, SemanticConditionEliminator.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71591, positive: 2960, positive conditional: 2960, positive unconditional: 0, negative: 68577, negative conditional: 6419, negative unconditional: 62158, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Eliminated conditions: 62158, SemanticConditionEliminator.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71591, positive: 2960, positive conditional: 2960, positive unconditional: 0, negative: 68577, negative conditional: 6419, negative unconditional: 62158, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Eliminated conditions: 62158, SemanticConditionEliminator.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 71591, positive: 2982, positive conditional: 2982, positive unconditional: 0, negative: 68609, negative conditional: 6451, negative unconditional: 62158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 31, positive conditional: 22, positive unconditional: 9, negative: 52, negative conditional: 32, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, positive: 116, positive conditional: 72, positive unconditional: 43, negative: 107, negative conditional: 65, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 71591, positive: 2960, positive conditional: 2960, positive unconditional: 0, negative: 68577, negative conditional: 6419, negative unconditional: 62158, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1079, Positive conditional cache size: 22, Positive unconditional cache size: 1057, Negative cache size: 52, Negative conditional cache size: 32, Negative unconditional cache size: 20, Eliminated conditions: 62158 ], Maximal queried relation: 6, Independence queries for same thread: 2450 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17777.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.4ms, PartialOrderReductionTime: 16862.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 65, 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: 21.5ms SsaConstructionTime, 114.1ms SatisfiabilityAnalysisTime, 538.6ms InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 1694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...