/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 19:33:03,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 19:33:03,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 19:33:03,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 19:33:03,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 19:33:03,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 19:33:03,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 19:33:03,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 19:33:03,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 19:33:03,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 19:33:03,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 19:33:03,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 19:33:03,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 19:33:03,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 19:33:03,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 19:33:03,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 19:33:03,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 19:33:03,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 19:33:03,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 19:33:03,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 19:33:03,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 19:33:03,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 19:33:03,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 19:33:03,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 19:33:03,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 19:33:03,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 19:33:03,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 19:33:03,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 19:33:03,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 19:33:03,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 19:33:03,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 19:33:03,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 19:33:03,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 19:33:03,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 19:33:03,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 19:33:03,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 19:33:03,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 19:33:03,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 19:33:03,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 19:33:03,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 19:33:03,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 19:33:03,750 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-Symm.epf [2021-06-16 19:33:03,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 19:33:03,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 19:33:03,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 19:33:03,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 19:33:03,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 19:33:03,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 19:33:03,800 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 19:33:03,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 19:33:03,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 19:33:03,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 19:33:03,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 19:33:03,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 19:33:03,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 19:33:03,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 19:33:03,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 19:33:03,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 19:33:03,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 19:33:03,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 19:33:03,804 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 19:33:03,804 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 19:33:03,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 19:33:04,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 19:33:04,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 19:33:04,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 19:33:04,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 19:33:04,079 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 19:33:04,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.oepc.i [2021-06-16 19:33:04,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16dd2053f/277d4af6365545cd85a3058f38538f36/FLAGde3fb236a [2021-06-16 19:33:04,525 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 19:33:04,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_rmo.oepc.i [2021-06-16 19:33:04,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16dd2053f/277d4af6365545cd85a3058f38538f36/FLAGde3fb236a [2021-06-16 19:33:04,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16dd2053f/277d4af6365545cd85a3058f38538f36 [2021-06-16 19:33:04,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 19:33:04,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 19:33:04,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 19:33:04,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 19:33:04,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 19:33:04,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:33:04" (1/1) ... [2021-06-16 19:33:04,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e9258d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:04, skipping insertion in model container [2021-06-16 19:33:04,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:33:04" (1/1) ... [2021-06-16 19:33:04,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 19:33:04,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 19:33:05,020 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/safe035_rmo.oepc.i[950,963] [2021-06-16 19:33:05,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:33:05,171 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 19:33:05,178 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/safe035_rmo.oepc.i[950,963] [2021-06-16 19:33:05,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:33:05,293 INFO L208 MainTranslator]: Completed translation [2021-06-16 19:33:05,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05 WrapperNode [2021-06-16 19:33:05,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 19:33:05,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 19:33:05,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 19:33:05,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 19:33:05,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 19:33:05,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 19:33:05,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 19:33:05,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 19:33:05,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (1/1) ... [2021-06-16 19:33:05,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 19:33:05,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 19:33:05,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 19:33:05,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 19:33:05,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (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 [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 19:33:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 19:33:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 19:33:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 19:33:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 19:33:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 19:33:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 19:33:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 19:33:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 19:33:05,508 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 19:33:05,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 19:33:05,806 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 19:33:05,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:33:05 BoogieIcfgContainer [2021-06-16 19:33:05,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 19:33:05,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 19:33:05,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 19:33:05,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 19:33:05,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 07:33:04" (1/3) ... [2021-06-16 19:33:05,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea1f91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:33:05, skipping insertion in model container [2021-06-16 19:33:05,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:33:05" (2/3) ... [2021-06-16 19:33:05,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea1f91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:33:05, skipping insertion in model container [2021-06-16 19:33:05,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:33:05" (3/3) ... [2021-06-16 19:33:05,813 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_rmo.oepc.i [2021-06-16 19:33:05,817 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 19:33:05,818 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 19:33:05,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 19:33:05,818 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 19:33:05,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,843 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,844 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,845 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,845 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,846 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,847 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,850 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,851 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,852 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,852 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,852 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,853 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,855 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,855 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,861 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:33:05,864 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 19:33:05,879 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 19:33:05,930 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 19:33:05,930 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 19:33:05,930 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 19:33:05,931 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 19:33:05,931 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 19:33:05,931 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 19:33:05,931 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 19:33:05,931 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 19:33:05,957 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:33:05,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:33:05,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1953527932, now seen corresponding path program 1 times [2021-06-16 19:33:05,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:33:05,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344110040] [2021-06-16 19:33:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:33:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:33:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:33:06,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:33:06,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344110040] [2021-06-16 19:33:06,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344110040] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:33:06,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:33:06,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 19:33:06,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391355699] [2021-06-16 19:33:06,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 19:33:06,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:33:06,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 19:33:06,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 19:33:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:33:06,110 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2021-06-16 19:33:06,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,118 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 19:33:06,118 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:33:06,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:33:06,119 INFO L82 PathProgramCache]: Analyzing trace with hash -770763965, now seen corresponding path program 1 times [2021-06-16 19:33:06,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:33:06,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094615523] [2021-06-16 19:33:06,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:33:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:33:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:33:06,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:33:06,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094615523] [2021-06-16 19:33:06,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094615523] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:33:06,267 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:33:06,267 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:33:06,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493831386] [2021-06-16 19:33:06,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:33:06,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:33:06,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:33:06,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:33:06,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:33:06,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:33:06,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:33:06,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 19:33:06,717 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:33:06,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:33:06,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1516541119, now seen corresponding path program 1 times [2021-06-16 19:33:06,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:33:06,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242585707] [2021-06-16 19:33:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:33:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:33:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:33:06,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:33:06,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242585707] [2021-06-16 19:33:06,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242585707] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:33:06,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:33:06,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 19:33:06,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685956271] [2021-06-16 19:33:06,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 19:33:06,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:33:06,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 19:33:06,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 19:33:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:33:06,860 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-06-16 19:33:06,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:06,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:33:06,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 19:33:08,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:33:08,174 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 19:33:08,174 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:33:08,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:33:08,174 INFO L82 PathProgramCache]: Analyzing trace with hash -648575730, now seen corresponding path program 1 times [2021-06-16 19:33:08,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:33:08,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153362461] [2021-06-16 19:33:08,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:33:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:33:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:33:08,248 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:33:08,248 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153362461] [2021-06-16 19:33:08,248 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153362461] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:33:08,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:33:08,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:33:08,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812646954] [2021-06-16 19:33:08,249 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:33:08,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:33:08,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:33:08,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:33:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:33:08,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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) [2021-06-16 19:33:08,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 19:33:08,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:33:08,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 19:33:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:33:08,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:33:08,595 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 19:33:08,595 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:33:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:33:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1687305009, now seen corresponding path program 1 times [2021-06-16 19:33:08,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:33:08,596 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110445870] [2021-06-16 19:33:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:33:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:33:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:33:08,738 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:33:08,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110445870] [2021-06-16 19:33:08,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110445870] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:33:08,738 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:33:08,738 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:33:08,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849889564] [2021-06-16 19:33:08,739 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:33:08,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:33:08,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:33:08,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:33:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,739 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:33:08,739 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:33:08,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:08,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 19:33:08,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:33:08,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:33:08,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:33:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 19:33:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:33:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:33:09,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 19:33:09,574 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 19:33:09,581 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 19:33:09,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 07:33:09 BasicIcfg [2021-06-16 19:33:09,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 19:33:09,583 INFO L168 Benchmark]: Toolchain (without parser) took 4706.22 ms. Allocated memory was 165.7 MB in the beginning and 692.1 MB in the end (delta: 526.4 MB). Free memory was 128.2 MB in the beginning and 402.4 MB in the end (delta: -274.2 MB). Peak memory consumption was 251.8 MB. Max. memory is 8.0 GB. [2021-06-16 19:33:09,583 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 165.7 MB. Free memory was 146.3 MB in the beginning and 146.2 MB in the end (delta: 106.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 19:33:09,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.58 ms. Allocated memory is still 165.7 MB. Free memory was 128.0 MB in the beginning and 126.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 19:33:09,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.99 ms. Allocated memory is still 165.7 MB. Free memory was 126.4 MB in the beginning and 124.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:33:09,584 INFO L168 Benchmark]: Boogie Preprocessor took 22.96 ms. Allocated memory is still 165.7 MB. Free memory was 124.3 MB in the beginning and 122.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:33:09,585 INFO L168 Benchmark]: RCFGBuilder took 441.68 ms. Allocated memory is still 165.7 MB. Free memory was 122.8 MB in the beginning and 99.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:33:09,585 INFO L168 Benchmark]: TraceAbstraction took 3773.16 ms. Allocated memory was 165.7 MB in the beginning and 692.1 MB in the end (delta: 526.4 MB). Free memory was 99.4 MB in the beginning and 402.4 MB in the end (delta: -303.1 MB). Peak memory consumption was 224.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:33:09,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 165.7 MB. Free memory was 146.3 MB in the beginning and 146.2 MB in the end (delta: 106.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 415.58 ms. Allocated memory is still 165.7 MB. Free memory was 128.0 MB in the beginning and 126.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.99 ms. Allocated memory is still 165.7 MB. Free memory was 126.4 MB in the beginning and 124.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.96 ms. Allocated memory is still 165.7 MB. Free memory was 124.3 MB in the beginning and 122.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 441.68 ms. Allocated memory is still 165.7 MB. Free memory was 122.8 MB in the beginning and 99.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3773.16 ms. Allocated memory was 165.7 MB in the beginning and 692.1 MB in the end (delta: 526.4 MB). Free memory was 99.4 MB in the beginning and 402.4 MB in the end (delta: -303.1 MB). Peak memory consumption was 224.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 95296, positive: 94105, positive conditional: 94105, positive unconditional: 0, negative: 1191, negative conditional: 1191, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 94775, positive: 94105, positive conditional: 94105, positive unconditional: 0, negative: 670, negative conditional: 670, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 94775, positive: 93603, positive conditional: 0, positive unconditional: 93603, negative: 1172, negative conditional: 0, negative unconditional: 1172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 651, positive: 638, positive conditional: 0, positive unconditional: 638, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 651, positive: 635, positive conditional: 0, positive unconditional: 635, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 40, positive unconditional: 11, negative: 65, negative conditional: 17, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94775, positive: 92965, positive conditional: 0, positive unconditional: 92965, negative: 1159, negative conditional: 0, negative unconditional: 1159, unknown: 651, unknown conditional: 0, unknown unconditional: 651] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 653, Positive conditional cache size: 15, Positive unconditional cache size: 638, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 40, positive unconditional: 11, negative: 65, negative conditional: 17, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4375, positive: 487, positive conditional: 487, positive unconditional: 0, negative: 3859, negative conditional: 453, negative unconditional: 3406, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 653, Positive conditional cache size: 15, Positive unconditional cache size: 638, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, Eliminated conditions: 3406, SemanticConditionEliminator.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 40, positive unconditional: 11, negative: 65, negative conditional: 17, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4375, positive: 487, positive conditional: 487, positive unconditional: 0, negative: 3859, negative conditional: 453, negative unconditional: 3406, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 653, Positive conditional cache size: 15, Positive unconditional cache size: 638, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, Eliminated conditions: 3406, SemanticConditionEliminator.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 40, positive unconditional: 11, negative: 65, negative conditional: 17, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4375, positive: 487, positive conditional: 487, positive unconditional: 0, negative: 3859, negative conditional: 453, negative unconditional: 3406, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 653, Positive conditional cache size: 15, Positive unconditional cache size: 638, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, Eliminated conditions: 3406, SemanticConditionEliminator.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 40, positive unconditional: 11, negative: 65, negative conditional: 17, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4375, positive: 487, positive conditional: 487, positive unconditional: 0, negative: 3859, negative conditional: 453, negative unconditional: 3406, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 653, Positive conditional cache size: 15, Positive unconditional cache size: 638, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, Eliminated conditions: 3406, SemanticConditionEliminator.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4375, positive: 502, positive conditional: 502, positive unconditional: 0, negative: 3873, negative conditional: 467, negative unconditional: 3406, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 18, positive conditional: 15, positive unconditional: 3, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, positive: 51, positive conditional: 40, positive unconditional: 11, negative: 65, negative conditional: 17, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4375, positive: 487, positive conditional: 487, positive unconditional: 0, negative: 3859, negative conditional: 453, negative unconditional: 3406, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 680, Positive cache size: 653, Positive conditional cache size: 15, Positive unconditional cache size: 638, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, Eliminated conditions: 3406 ], Maximal queried relation: 5, Independence queries for same thread: 521 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3669.1ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.4ms, PartialOrderReductionTime: 2965.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 12.5ms SsaConstructionTime, 94.9ms SatisfiabilityAnalysisTime, 450.1ms InterpolantComputationTime, 305 NumberOfCodeBlocks, 305 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...