/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-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 02:09:43,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 02:09:43,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 02:09:43,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 02:09:43,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 02:09:43,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 02:09:43,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 02:09:43,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 02:09:43,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 02:09:43,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 02:09:43,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 02:09:43,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 02:09:43,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 02:09:43,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 02:09:43,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 02:09:43,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 02:09:43,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 02:09:43,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 02:09:43,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 02:09:43,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 02:09:43,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 02:09:43,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 02:09:43,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 02:09:43,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 02:09:43,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 02:09:43,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 02:09:43,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 02:09:43,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 02:09:43,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 02:09:43,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 02:09:43,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 02:09:43,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 02:09:43,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 02:09:43,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 02:09:43,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 02:09:43,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 02:09:43,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 02:09:43,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 02:09:43,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 02:09:43,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 02:09:43,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 02:09:43,980 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-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 02:09:44,008 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 02:09:44,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 02:09:44,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 02:09:44,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 02:09:44,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 02:09:44,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 02:09:44,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 02:09:44,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 02:09:44,010 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 02:09:44,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 02:09:44,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 02:09:44,012 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 02:09:44,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 02:09:44,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 02:09:44,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 02:09:44,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 02:09:44,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 02:09:44,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 02:09:44,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 02:09:44,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 02:09:44,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 02:09:44,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 02:09:44,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 02:09:44,014 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 02:09:44,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 02:09:44,014 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 02:09:44,014 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 02:09:44,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 02:09:44,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 02:09:44,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 02:09:44,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 02:09:44,313 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 02:09:44,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-02-10 02:09:44,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ad09495/bd145b78a7094619b8645c22e5886f74/FLAG61dd8f1da [2022-02-10 02:09:44,903 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 02:09:44,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-02-10 02:09:44,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ad09495/bd145b78a7094619b8645c22e5886f74/FLAG61dd8f1da [2022-02-10 02:09:45,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ad09495/bd145b78a7094619b8645c22e5886f74 [2022-02-10 02:09:45,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 02:09:45,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 02:09:45,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 02:09:45,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 02:09:45,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 02:09:45,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7442a938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45, skipping insertion in model container [2022-02-10 02:09:45,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 02:09:45,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 02:09:45,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i[1089,1102] [2022-02-10 02:09:45,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 02:09:45,667 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 02:09:45,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i[1089,1102] [2022-02-10 02:09:45,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 02:09:45,767 INFO L208 MainTranslator]: Completed translation [2022-02-10 02:09:45,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45 WrapperNode [2022-02-10 02:09:45,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 02:09:45,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 02:09:45,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 02:09:45,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 02:09:45,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,824 INFO L137 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-02-10 02:09:45,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 02:09:45,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 02:09:45,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 02:09:45,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 02:09:45,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 02:09:45,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 02:09:45,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 02:09:45,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 02:09:45,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (1/1) ... [2022-02-10 02:09:45,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 02:09:45,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 02:09:45,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 02:09:45,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 02:09:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 02:09:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 02:09:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 02:09:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 02:09:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 02:09:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 02:09:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 02:09:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 02:09:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 02:09:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 02:09:45,956 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 02:09:46,104 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 02:09:46,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 02:09:46,259 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 02:09:46,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 02:09:46,267 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 02:09:46,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:09:46 BoogieIcfgContainer [2022-02-10 02:09:46,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 02:09:46,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 02:09:46,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 02:09:46,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 02:09:46,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:09:45" (1/3) ... [2022-02-10 02:09:46,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e6b19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:09:46, skipping insertion in model container [2022-02-10 02:09:46,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:45" (2/3) ... [2022-02-10 02:09:46,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e6b19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:09:46, skipping insertion in model container [2022-02-10 02:09:46,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:09:46" (3/3) ... [2022-02-10 02:09:46,281 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2022-02-10 02:09:46,286 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 02:09:46,287 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 02:09:46,287 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-10 02:09:46,287 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 02:09:46,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 02:09:46,343 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 02:09:46,391 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 02:09:46,405 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 02:09:46,405 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 02:09:46,417 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 68 transitions, 141 flow [2022-02-10 02:09:46,473 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 358 states, 355 states have (on average 1.8957746478873239) internal successors, (673), 357 states have internal predecessors, (673), 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) [2022-02-10 02:09:46,775 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5610 transitions and produced 3075 states. [2022-02-10 02:09:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 3075 states, 2590 states have (on average 1.1876447876447875) internal successors, (3076), 3074 states have internal predecessors, (3076), 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) [2022-02-10 02:09:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-10 02:09:46,820 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:09:46,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:09:46,822 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 02:09:46,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:09:46,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2005908045, now seen corresponding path program 1 times [2022-02-10 02:09:46,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:09:46,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334411595] [2022-02-10 02:09:46,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:09:46,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:09:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:09:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:09:47,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:09:47,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334411595] [2022-02-10 02:09:47,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334411595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:09:47,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:09:47,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 02:09:47,092 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852186012] [2022-02-10 02:09:47,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:09:47,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 02:09:47,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:09:47,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 02:09:47,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 02:09:47,150 INFO L87 Difference]: Start difference. First operand has 3075 states, 2590 states have (on average 1.1876447876447875) internal successors, (3076), 3074 states have internal predecessors, (3076), 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) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-02-10 02:09:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:09:47,312 INFO L93 Difference]: Finished difference Result 1412 states and 1413 transitions. [2022-02-10 02:09:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 02:09:47,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) Word has length 37 [2022-02-10 02:09:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:09:47,322 INFO L225 Difference]: With dead ends: 1412 [2022-02-10 02:09:47,323 INFO L226 Difference]: Without dead ends: 249 [2022-02-10 02:09:47,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-10 02:09:47,327 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 67 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:09:47,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 291 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:09:47,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-02-10 02:09:47,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 106. [2022-02-10 02:09:47,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.0761904761904761) internal successors, (113), 105 states have internal predecessors, (113), 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) [2022-02-10 02:09:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 113 transitions. [2022-02-10 02:09:47,372 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 113 transitions. Word has length 37 [2022-02-10 02:09:47,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:09:47,372 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 113 transitions. [2022-02-10 02:09:47,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-02-10 02:09:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 113 transitions. [2022-02-10 02:09:47,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-10 02:09:47,374 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:09:47,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:09:47,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 02:09:47,375 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 02:09:47,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:09:47,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1512868232, now seen corresponding path program 1 times [2022-02-10 02:09:47,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:09:47,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189764062] [2022-02-10 02:09:47,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:09:47,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:09:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:09:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:09:47,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:09:47,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189764062] [2022-02-10 02:09:47,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189764062] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:09:47,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:09:47,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 02:09:47,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643499233] [2022-02-10 02:09:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:09:47,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 02:09:47,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:09:47,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 02:09:47,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 02:09:47,482 INFO L87 Difference]: Start difference. First operand 106 states and 113 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-02-10 02:09:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:09:47,551 INFO L93 Difference]: Finished difference Result 112 states and 115 transitions. [2022-02-10 02:09:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 02:09:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) Word has length 39 [2022-02-10 02:09:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:09:47,553 INFO L225 Difference]: With dead ends: 112 [2022-02-10 02:09:47,553 INFO L226 Difference]: Without dead ends: 66 [2022-02-10 02:09:47,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-10 02:09:47,554 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 14 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:09:47,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 250 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:09:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-02-10 02:09:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2022-02-10 02:09:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.03125) internal successors, (66), 64 states have internal predecessors, (66), 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) [2022-02-10 02:09:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2022-02-10 02:09:47,564 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 39 [2022-02-10 02:09:47,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:09:47,564 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2022-02-10 02:09:47,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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) [2022-02-10 02:09:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2022-02-10 02:09:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-10 02:09:47,565 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 02:09:47,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 02:09:47,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 02:09:47,566 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 02:09:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 02:09:47,567 INFO L85 PathProgramCache]: Analyzing trace with hash -934532584, now seen corresponding path program 1 times [2022-02-10 02:09:47,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 02:09:47,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394895590] [2022-02-10 02:09:47,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 02:09:47,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 02:09:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 02:09:47,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 02:09:47,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 02:09:47,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394895590] [2022-02-10 02:09:47,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394895590] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 02:09:47,628 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 02:09:47,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 02:09:47,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924910853] [2022-02-10 02:09:47,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 02:09:47,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 02:09:47,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 02:09:47,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 02:09:47,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:09:47,629 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-02-10 02:09:47,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 02:09:47,639 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2022-02-10 02:09:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 02:09:47,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) Word has length 43 [2022-02-10 02:09:47,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 02:09:47,640 INFO L225 Difference]: With dead ends: 36 [2022-02-10 02:09:47,640 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 02:09:47,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 02:09:47,642 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 02:09:47,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 02:09:47,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 02:09:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 02:09:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-10 02:09:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 02:09:47,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-02-10 02:09:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 02:09:47,644 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 02:09:47,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-02-10 02:09:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 02:09:47,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 02:09:47,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-10 02:09:47,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-10 02:09:47,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-02-10 02:09:47,648 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-10 02:09:47,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 02:09:47,650 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 02:09:47,654 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 02:09:47,655 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 02:09:47,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 02:09:47 BasicIcfg [2022-02-10 02:09:47,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 02:09:47,659 INFO L158 Benchmark]: Toolchain (without parser) took 2441.04ms. Allocated memory is still 206.6MB. Free memory was 153.7MB in the beginning and 96.9MB in the end (delta: 56.8MB). Peak memory consumption was 56.4MB. Max. memory is 8.0GB. [2022-02-10 02:09:47,659 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 206.6MB. Free memory was 171.8MB in the beginning and 171.7MB in the end (delta: 78.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 02:09:47,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.47ms. Allocated memory is still 206.6MB. Free memory was 153.5MB in the beginning and 172.5MB in the end (delta: -19.0MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-02-10 02:09:47,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.60ms. Allocated memory is still 206.6MB. Free memory was 172.5MB in the beginning and 170.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 02:09:47,661 INFO L158 Benchmark]: Boogie Preprocessor took 32.58ms. Allocated memory is still 206.6MB. Free memory was 170.4MB in the beginning and 169.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 02:09:47,661 INFO L158 Benchmark]: RCFGBuilder took 413.25ms. Allocated memory is still 206.6MB. Free memory was 168.9MB in the beginning and 158.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-10 02:09:47,661 INFO L158 Benchmark]: TraceAbstraction took 1385.14ms. Allocated memory is still 206.6MB. Free memory was 157.7MB in the beginning and 96.9MB in the end (delta: 60.8MB). Peak memory consumption was 62.3MB. Max. memory is 8.0GB. [2022-02-10 02:09:47,664 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 206.6MB. Free memory was 171.8MB in the beginning and 171.7MB in the end (delta: 78.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 548.47ms. Allocated memory is still 206.6MB. Free memory was 153.5MB in the beginning and 172.5MB in the end (delta: -19.0MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.60ms. Allocated memory is still 206.6MB. Free memory was 172.5MB in the beginning and 170.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.58ms. Allocated memory is still 206.6MB. Free memory was 170.4MB in the beginning and 169.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 413.25ms. Allocated memory is still 206.6MB. Free memory was 168.9MB in the beginning and 158.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1385.14ms. Allocated memory is still 206.6MB. Free memory was 157.7MB in the beginning and 96.9MB in the end (delta: 60.8MB). Peak memory consumption was 62.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 with 1 thread instances CFG has 3 procedures, 85 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 598 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 422 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 182 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3075occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 144 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 02:09:47,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...