/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 08:34:10,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 08:34:10,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 08:34:10,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 08:34:10,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 08:34:10,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 08:34:10,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 08:34:10,252 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-FA-NoLbe-Separate.epf [2022-01-18 08:34:10,275 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 08:34:10,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 08:34:10,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 08:34:10,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 08:34:10,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 08:34:10,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 08:34:10,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 08:34:10,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 08:34:10,277 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 08:34:10,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 08:34:10,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 08:34:10,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:34:10,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 08:34:10,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 08:34:10,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 08:34:10,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 08:34:10,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 08:34:10,280 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 08:34:10,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 08:34:10,280 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 08:34:10,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 08:34:10,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 08:34:10,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 08:34:10,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 08:34:10,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 08:34:10,487 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 08:34:10,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2022-01-18 08:34:10,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02523f10f/94f60ed892594835b2892deaee0155e0/FLAG8622a8dab [2022-01-18 08:34:10,926 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 08:34:10,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i [2022-01-18 08:34:10,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02523f10f/94f60ed892594835b2892deaee0155e0/FLAG8622a8dab [2022-01-18 08:34:10,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02523f10f/94f60ed892594835b2892deaee0155e0 [2022-01-18 08:34:10,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 08:34:10,957 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 08:34:10,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 08:34:10,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 08:34:10,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 08:34:10,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:34:10" (1/1) ... [2022-01-18 08:34:10,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3f6951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:10, skipping insertion in model container [2022-01-18 08:34:10,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 08:34:10" (1/1) ... [2022-01-18 08:34:10,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 08:34:11,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 08:34:11,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i[30728,30741] [2022-01-18 08:34:11,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:34:11,272 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 08:34:11,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i[30728,30741] [2022-01-18 08:34:11,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 08:34:11,333 INFO L208 MainTranslator]: Completed translation [2022-01-18 08:34:11,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11 WrapperNode [2022-01-18 08:34:11,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 08:34:11,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 08:34:11,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 08:34:11,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 08:34:11,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,376 INFO L137 Inliner]: procedures = 172, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 68 [2022-01-18 08:34:11,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 08:34:11,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 08:34:11,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 08:34:11,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 08:34:11,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 08:34:11,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 08:34:11,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 08:34:11,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 08:34:11,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (1/1) ... [2022-01-18 08:34:11,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 08:34:11,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:11,442 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) [2022-01-18 08:34:11,450 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 [2022-01-18 08:34:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-18 08:34:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-18 08:34:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 08:34:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 08:34:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 08:34:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 08:34:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 08:34:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 08:34:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 08:34:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 08:34:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 08:34:11,473 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 08:34:11,552 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 08:34:11,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 08:34:13,880 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 08:34:13,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 08:34:13,896 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-18 08:34:13,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:34:13 BoogieIcfgContainer [2022-01-18 08:34:13,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 08:34:13,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 08:34:13,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 08:34:13,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 08:34:13,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 08:34:10" (1/3) ... [2022-01-18 08:34:13,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c19f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:34:13, skipping insertion in model container [2022-01-18 08:34:13,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 08:34:11" (2/3) ... [2022-01-18 08:34:13,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c19f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 08:34:13, skipping insertion in model container [2022-01-18 08:34:13,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 08:34:13" (3/3) ... [2022-01-18 08:34:13,902 INFO L111 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2022-01-18 08:34:13,905 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 08:34:13,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 08:34:13,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 08:34:13,906 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 08:34:13,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,924 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,925 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,926 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,927 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,928 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,929 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,930 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,931 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,932 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,933 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,934 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,935 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,935 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,935 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,935 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,937 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,937 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,937 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,937 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,938 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:13,939 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 08:34:13,966 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:34:13,970 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, 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 [2022-01-18 08:34:13,970 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 08:34:13,977 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 79 transitions, 163 flow [2022-01-18 08:34:14,016 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 532 states, 529 states have (on average 2.0661625708884688) internal successors, (1093), 531 states have internal predecessors, (1093), 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) [2022-01-18 08:34:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 532 states, 529 states have (on average 2.0661625708884688) internal successors, (1093), 531 states have internal predecessors, (1093), 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) [2022-01-18 08:34:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-18 08:34:14,030 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:14,030 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] [2022-01-18 08:34:14,030 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:14,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:14,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1596686679, now seen corresponding path program 1 times [2022-01-18 08:34:14,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:14,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662176094] [2022-01-18 08:34:14,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:14,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:14,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:14,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662176094] [2022-01-18 08:34:14,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662176094] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:14,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:14,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:34:14,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660961712] [2022-01-18 08:34:14,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:14,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:34:14,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:14,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:34:14,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:34:14,210 INFO L87 Difference]: Start difference. First operand has 532 states, 529 states have (on average 2.0661625708884688) internal successors, (1093), 531 states have internal predecessors, (1093), 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 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2022-01-18 08:34:16,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:16,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:16,247 INFO L93 Difference]: Finished difference Result 345 states and 635 transitions. [2022-01-18 08:34:16,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:34:16,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 42 [2022-01-18 08:34:16,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:16,423 INFO L225 Difference]: With dead ends: 345 [2022-01-18 08:34:16,423 INFO L226 Difference]: Without dead ends: 253 [2022-01-18 08:34:16,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:34:16,426 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:16,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2022-01-18 08:34:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2022-01-18 08:34:16,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2022-01-18 08:34:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.8412698412698412) internal successors, (464), 252 states have internal predecessors, (464), 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) [2022-01-18 08:34:16,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 464 transitions. [2022-01-18 08:34:16,476 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 464 transitions. Word has length 42 [2022-01-18 08:34:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:16,476 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 464 transitions. [2022-01-18 08:34:16,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2022-01-18 08:34:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 464 transitions. [2022-01-18 08:34:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-18 08:34:16,480 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:16,480 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] [2022-01-18 08:34:16,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 08:34:16,481 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:16,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:16,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2004021836, now seen corresponding path program 1 times [2022-01-18 08:34:16,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:16,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388837056] [2022-01-18 08:34:16,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:16,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:16,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:16,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388837056] [2022-01-18 08:34:16,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388837056] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:16,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:16,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:34:16,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645286951] [2022-01-18 08:34:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:16,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:16,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:16,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:16,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:16,664 INFO L87 Difference]: Start difference. First operand 253 states and 464 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2022-01-18 08:34:18,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:18,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:18,873 INFO L93 Difference]: Finished difference Result 237 states and 434 transitions. [2022-01-18 08:34:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:34:18,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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 [2022-01-18 08:34:18,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:18,875 INFO L225 Difference]: With dead ends: 237 [2022-01-18 08:34:18,875 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 08:34:18,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:18,876 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 40 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:18,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 187 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-01-18 08:34:18,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 08:34:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 08:34:18,877 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) [2022-01-18 08:34:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 08:34:18,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-01-18 08:34:18,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:18,877 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 08:34:18,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2022-01-18 08:34:18,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 08:34:18,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 08:34:18,879 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 08:34:18,880 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-18 08:34:18,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 08:34:18,882 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-18 08:34:18,882 INFO L308 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE,SAFE (1/2) [2022-01-18 08:34:18,886 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2022-01-18 08:34:18,886 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, 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 [2022-01-18 08:34:18,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-18 08:34:18,888 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 79 transitions, 163 flow [2022-01-18 08:34:18,894 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 365 states, 363 states have (on average 1.9449035812672177) internal successors, (706), 364 states have internal predecessors, (706), 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) [2022-01-18 08:34:18,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 365 states, 363 states have (on average 1.9449035812672177) internal successors, (706), 364 states have internal predecessors, (706), 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) [2022-01-18 08:34:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-01-18 08:34:18,895 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:18,895 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:18,895 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 08:34:18,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:18,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1427749551, now seen corresponding path program 1 times [2022-01-18 08:34:18,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:18,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3123001] [2022-01-18 08:34:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:18,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:34:18,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 08:34:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 08:34:18,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 08:34:18,929 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 08:34:18,929 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-18 08:34:18,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 08:34:18,929 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 08:34:18,929 INFO L308 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2022-01-18 08:34:18,930 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-18 08:34:18,930 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-18 08:34:18,943 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,944 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,945 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,946 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,947 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,948 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,949 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,950 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,951 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,952 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,953 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,954 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,955 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,956 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,957 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,958 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,959 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,960 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,961 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,962 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 08:34:18,963 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 08:34:18,964 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 08:34:18,964 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, 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 [2022-01-18 08:34:18,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 08:34:18,966 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 120 places, 128 transitions, 268 flow [2022-01-18 08:34:19,591 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25205 states, 25197 states have (on average 3.2087153232527683) internal successors, (80850), 25204 states have internal predecessors, (80850), 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) [2022-01-18 08:34:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 25205 states, 25197 states have (on average 3.2087153232527683) internal successors, (80850), 25204 states have internal predecessors, (80850), 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) [2022-01-18 08:34:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-18 08:34:19,641 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:19,641 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] [2022-01-18 08:34:19,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:19,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -87846743, now seen corresponding path program 1 times [2022-01-18 08:34:19,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:19,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118833257] [2022-01-18 08:34:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:19,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:19,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:19,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118833257] [2022-01-18 08:34:19,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118833257] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:19,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:19,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 08:34:19,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120226808] [2022-01-18 08:34:19,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:19,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 08:34:19,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:19,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 08:34:19,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:34:19,715 INFO L87 Difference]: Start difference. First operand has 25205 states, 25197 states have (on average 3.2087153232527683) internal successors, (80850), 25204 states have internal predecessors, (80850), 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 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2022-01-18 08:34:19,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:19,893 INFO L93 Difference]: Finished difference Result 14283 states and 41428 transitions. [2022-01-18 08:34:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:34:19,894 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 42 [2022-01-18 08:34:19,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:19,961 INFO L225 Difference]: With dead ends: 14283 [2022-01-18 08:34:19,961 INFO L226 Difference]: Without dead ends: 13075 [2022-01-18 08:34:19,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 08:34:19,964 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:19,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:34:20,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13075 states. [2022-01-18 08:34:20,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13075 to 13075. [2022-01-18 08:34:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13075 states, 13070 states have (on average 2.905355776587605) internal successors, (37973), 13074 states have internal predecessors, (37973), 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) [2022-01-18 08:34:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13075 states to 13075 states and 37973 transitions. [2022-01-18 08:34:20,467 INFO L78 Accepts]: Start accepts. Automaton has 13075 states and 37973 transitions. Word has length 42 [2022-01-18 08:34:20,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:20,467 INFO L470 AbstractCegarLoop]: Abstraction has 13075 states and 37973 transitions. [2022-01-18 08:34:20,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2022-01-18 08:34:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13075 states and 37973 transitions. [2022-01-18 08:34:20,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-01-18 08:34:20,469 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:20,469 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] [2022-01-18 08:34:20,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 08:34:20,469 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:20,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:20,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1533419772, now seen corresponding path program 1 times [2022-01-18 08:34:20,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:20,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345433692] [2022-01-18 08:34:20,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:20,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:34:20,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:20,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345433692] [2022-01-18 08:34:20,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345433692] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:20,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:20,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:34:20,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566262382] [2022-01-18 08:34:20,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:20,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:20,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:20,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:20,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:20,566 INFO L87 Difference]: Start difference. First operand 13075 states and 37973 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2022-01-18 08:34:22,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:24,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:26,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:27,229 INFO L93 Difference]: Finished difference Result 13605 states and 39509 transitions. [2022-01-18 08:34:27,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:34:27,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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 [2022-01-18 08:34:27,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:27,319 INFO L225 Difference]: With dead ends: 13605 [2022-01-18 08:34:27,320 INFO L226 Difference]: Without dead ends: 13605 [2022-01-18 08:34:27,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:27,321 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 130 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:27,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 584 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2022-01-18 08:34:27,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13605 states. [2022-01-18 08:34:27,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13605 to 12997. [2022-01-18 08:34:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12997 states, 12992 states have (on average 2.904017857142857) internal successors, (37729), 12996 states have internal predecessors, (37729), 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) [2022-01-18 08:34:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12997 states to 12997 states and 37729 transitions. [2022-01-18 08:34:27,630 INFO L78 Accepts]: Start accepts. Automaton has 12997 states and 37729 transitions. Word has length 43 [2022-01-18 08:34:27,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:27,631 INFO L470 AbstractCegarLoop]: Abstraction has 12997 states and 37729 transitions. [2022-01-18 08:34:27,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 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) [2022-01-18 08:34:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 12997 states and 37729 transitions. [2022-01-18 08:34:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-01-18 08:34:27,635 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:27,636 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2022-01-18 08:34:27,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 08:34:27,636 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:27,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:27,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1685028903, now seen corresponding path program 1 times [2022-01-18 08:34:27,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:27,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45049988] [2022-01-18 08:34:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:27,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:34:27,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:27,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45049988] [2022-01-18 08:34:27,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45049988] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:34:27,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:34:27,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:34:27,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883251142] [2022-01-18 08:34:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:34:27,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:27,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:27,702 INFO L87 Difference]: Start difference. First operand 12997 states and 37729 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:34:29,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:31,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:34,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:34,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:34,359 INFO L93 Difference]: Finished difference Result 13477 states and 39141 transitions. [2022-01-18 08:34:34,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:34:34,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-01-18 08:34:34,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:34,395 INFO L225 Difference]: With dead ends: 13477 [2022-01-18 08:34:34,396 INFO L226 Difference]: Without dead ends: 13477 [2022-01-18 08:34:34,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:34,396 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 118 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:34,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 596 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2022-01-18 08:34:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13477 states. [2022-01-18 08:34:34,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13477 to 12869. [2022-01-18 08:34:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12869 states, 12864 states have (on average 2.904306592039801) internal successors, (37361), 12868 states have internal predecessors, (37361), 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) [2022-01-18 08:34:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12869 states to 12869 states and 37361 transitions. [2022-01-18 08:34:34,708 INFO L78 Accepts]: Start accepts. Automaton has 12869 states and 37361 transitions. Word has length 50 [2022-01-18 08:34:34,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:34,710 INFO L470 AbstractCegarLoop]: Abstraction has 12869 states and 37361 transitions. [2022-01-18 08:34:34,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 08:34:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 12869 states and 37361 transitions. [2022-01-18 08:34:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-18 08:34:34,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:34,719 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:34,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 08:34:34,719 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:34,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:34,721 INFO L85 PathProgramCache]: Analyzing trace with hash -149046757, now seen corresponding path program 1 times [2022-01-18 08:34:34,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:34,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854952599] [2022-01-18 08:34:34,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:34,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:34:34,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:34,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854952599] [2022-01-18 08:34:34,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854952599] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:34,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259048951] [2022-01-18 08:34:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:34,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:34,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:34,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:34,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 08:34:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:34,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 08:34:34,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:34:35,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:34:35,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259048951] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:35,379 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:35,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-01-18 08:34:35,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533085073] [2022-01-18 08:34:35,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:35,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:35,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:35,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:35,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:35,380 INFO L87 Difference]: Start difference. First operand 12869 states and 37361 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) [2022-01-18 08:34:37,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:39,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:41,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:43,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:46,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:48,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:50,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:52,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:52,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:34:52,906 INFO L93 Difference]: Finished difference Result 14293 states and 41367 transitions. [2022-01-18 08:34:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 08:34:52,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) Word has length 58 [2022-01-18 08:34:52,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:34:52,947 INFO L225 Difference]: With dead ends: 14293 [2022-01-18 08:34:52,947 INFO L226 Difference]: Without dead ends: 13829 [2022-01-18 08:34:52,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:34:52,949 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 210 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-01-18 08:34:52,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 698 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 8 Unknown, 0 Unchecked, 17.4s Time] [2022-01-18 08:34:52,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13829 states. [2022-01-18 08:34:53,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13829 to 13197. [2022-01-18 08:34:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13197 states, 13192 states have (on average 2.9041843541540326) internal successors, (38312), 13196 states have internal predecessors, (38312), 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) [2022-01-18 08:34:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13197 states to 13197 states and 38312 transitions. [2022-01-18 08:34:53,277 INFO L78 Accepts]: Start accepts. Automaton has 13197 states and 38312 transitions. Word has length 58 [2022-01-18 08:34:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:34:53,277 INFO L470 AbstractCegarLoop]: Abstraction has 13197 states and 38312 transitions. [2022-01-18 08:34:53,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) [2022-01-18 08:34:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 13197 states and 38312 transitions. [2022-01-18 08:34:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-18 08:34:53,286 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:34:53,286 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:34:53,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 08:34:53,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:53,486 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:34:53,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:34:53,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2083710373, now seen corresponding path program 2 times [2022-01-18 08:34:53,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:34:53,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837542629] [2022-01-18 08:34:53,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:34:53,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:34:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:34:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:34:53,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:34:53,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837542629] [2022-01-18 08:34:53,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837542629] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:34:53,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886850804] [2022-01-18 08:34:53,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 08:34:53,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:34:53,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:34:53,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:34:53,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 08:34:53,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-01-18 08:34:53,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 08:34:53,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-18 08:34:53,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 08:34:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:34:53,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 08:34:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 08:34:53,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886850804] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 08:34:53,894 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 08:34:53,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-01-18 08:34:53,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370870794] [2022-01-18 08:34:53,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 08:34:53,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:34:53,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:34:53,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:34:53,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:34:53,895 INFO L87 Difference]: Start difference. First operand 13197 states and 38312 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) [2022-01-18 08:34:55,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:34:58,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:00,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:02,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:04,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:04,873 INFO L93 Difference]: Finished difference Result 14061 states and 40636 transitions. [2022-01-18 08:35:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 08:35:04,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) Word has length 58 [2022-01-18 08:35:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:04,897 INFO L225 Difference]: With dead ends: 14061 [2022-01-18 08:35:04,897 INFO L226 Difference]: Without dead ends: 13797 [2022-01-18 08:35:04,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:35:04,898 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 188 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:04,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 702 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 5 Unknown, 0 Unchecked, 10.9s Time] [2022-01-18 08:35:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13797 states. [2022-01-18 08:35:05,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13797 to 12477. [2022-01-18 08:35:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12477 states, 12473 states have (on average 2.899863705604105) internal successors, (36170), 12476 states have internal predecessors, (36170), 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) [2022-01-18 08:35:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12477 states to 12477 states and 36170 transitions. [2022-01-18 08:35:05,191 INFO L78 Accepts]: Start accepts. Automaton has 12477 states and 36170 transitions. Word has length 58 [2022-01-18 08:35:05,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:05,192 INFO L470 AbstractCegarLoop]: Abstraction has 12477 states and 36170 transitions. [2022-01-18 08:35:05,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 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) [2022-01-18 08:35:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 12477 states and 36170 transitions. [2022-01-18 08:35:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-18 08:35:05,200 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:05,200 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:05,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 08:35:05,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-01-18 08:35:05,417 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:35:05,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:05,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1525369373, now seen corresponding path program 1 times [2022-01-18 08:35:05,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:05,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896732037] [2022-01-18 08:35:05,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:05,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:05,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:05,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896732037] [2022-01-18 08:35:05,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896732037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:05,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:05,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:35:05,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192215527] [2022-01-18 08:35:05,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:05,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:35:05,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:05,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:35:05,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:35:05,489 INFO L87 Difference]: Start difference. First operand 12477 states and 36170 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2022-01-18 08:35:07,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:09,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:11,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:14,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:16,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:18,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:18,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:18,613 INFO L93 Difference]: Finished difference Result 13773 states and 39792 transitions. [2022-01-18 08:35:18,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 08:35:18,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 58 [2022-01-18 08:35:18,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:18,636 INFO L225 Difference]: With dead ends: 13773 [2022-01-18 08:35:18,636 INFO L226 Difference]: Without dead ends: 13310 [2022-01-18 08:35:18,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:35:18,637 INFO L933 BasicCegarLoop]: 223 mSDtfsCounter, 232 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:18,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 676 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 6 Unknown, 0 Unchecked, 13.1s Time] [2022-01-18 08:35:18,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13310 states. [2022-01-18 08:35:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13310 to 12734. [2022-01-18 08:35:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12734 states, 12730 states have (on average 2.9017282010997643) internal successors, (36939), 12733 states have internal predecessors, (36939), 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) [2022-01-18 08:35:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12734 states to 12734 states and 36939 transitions. [2022-01-18 08:35:19,000 INFO L78 Accepts]: Start accepts. Automaton has 12734 states and 36939 transitions. Word has length 58 [2022-01-18 08:35:19,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:19,000 INFO L470 AbstractCegarLoop]: Abstraction has 12734 states and 36939 transitions. [2022-01-18 08:35:19,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2022-01-18 08:35:19,000 INFO L276 IsEmpty]: Start isEmpty. Operand 12734 states and 36939 transitions. [2022-01-18 08:35:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-18 08:35:19,007 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:19,007 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:19,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 08:35:19,008 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:35:19,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash -185979107, now seen corresponding path program 2 times [2022-01-18 08:35:19,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:19,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380399450] [2022-01-18 08:35:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:19,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:19,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:19,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380399450] [2022-01-18 08:35:19,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380399450] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:19,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:19,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:35:19,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105773510] [2022-01-18 08:35:19,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:19,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:35:19,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:19,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:35:19,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:35:19,077 INFO L87 Difference]: Start difference. First operand 12734 states and 36939 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2022-01-18 08:35:21,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:23,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:25,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:25,692 INFO L93 Difference]: Finished difference Result 14126 states and 40853 transitions. [2022-01-18 08:35:25,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 08:35:25,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 58 [2022-01-18 08:35:25,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:25,714 INFO L225 Difference]: With dead ends: 14126 [2022-01-18 08:35:25,714 INFO L226 Difference]: Without dead ends: 13862 [2022-01-18 08:35:25,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:35:25,715 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 192 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:25,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 711 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2022-01-18 08:35:25,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13862 states. [2022-01-18 08:35:25,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13862 to 12526. [2022-01-18 08:35:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12526 states, 12522 states have (on average 2.9021721769685356) internal successors, (36341), 12525 states have internal predecessors, (36341), 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) [2022-01-18 08:35:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12526 states to 12526 states and 36341 transitions. [2022-01-18 08:35:26,035 INFO L78 Accepts]: Start accepts. Automaton has 12526 states and 36341 transitions. Word has length 58 [2022-01-18 08:35:26,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:26,036 INFO L470 AbstractCegarLoop]: Abstraction has 12526 states and 36341 transitions. [2022-01-18 08:35:26,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2022-01-18 08:35:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 12526 states and 36341 transitions. [2022-01-18 08:35:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-01-18 08:35:26,042 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:26,042 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:26,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 08:35:26,042 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:35:26,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:26,043 INFO L85 PathProgramCache]: Analyzing trace with hash -211897277, now seen corresponding path program 3 times [2022-01-18 08:35:26,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:26,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339581409] [2022-01-18 08:35:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:26,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-18 08:35:26,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:26,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339581409] [2022-01-18 08:35:26,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339581409] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 08:35:26,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 08:35:26,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 08:35:26,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447875640] [2022-01-18 08:35:26,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 08:35:26,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 08:35:26,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:35:26,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 08:35:26,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 08:35:26,088 INFO L87 Difference]: Start difference. First operand 12526 states and 36341 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2022-01-18 08:35:28,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:30,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:32,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-18 08:35:32,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 08:35:32,729 INFO L93 Difference]: Finished difference Result 12638 states and 36599 transitions. [2022-01-18 08:35:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 08:35:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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 58 [2022-01-18 08:35:32,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 08:35:32,755 INFO L225 Difference]: With dead ends: 12638 [2022-01-18 08:35:32,755 INFO L226 Difference]: Without dead ends: 12622 [2022-01-18 08:35:32,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-18 08:35:32,756 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 111 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-01-18 08:35:32,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 591 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2022-01-18 08:35:32,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12622 states. [2022-01-18 08:35:32,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12622 to 11950. [2022-01-18 08:35:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11950 states, 11947 states have (on average 2.898551937724952) internal successors, (34629), 11949 states have internal predecessors, (34629), 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) [2022-01-18 08:35:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 34629 transitions. [2022-01-18 08:35:32,949 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 34629 transitions. Word has length 58 [2022-01-18 08:35:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 08:35:32,950 INFO L470 AbstractCegarLoop]: Abstraction has 11950 states and 34629 transitions. [2022-01-18 08:35:32,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2022-01-18 08:35:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 34629 transitions. [2022-01-18 08:35:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-18 08:35:32,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 08:35:32,963 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 08:35:32,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 08:35:32,963 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-18 08:35:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 08:35:32,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1954642872, now seen corresponding path program 1 times [2022-01-18 08:35:32,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 08:35:32,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296732709] [2022-01-18 08:35:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:32,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 08:35:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 08:35:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 08:35:33,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 08:35:33,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296732709] [2022-01-18 08:35:33,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296732709] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 08:35:33,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261143638] [2022-01-18 08:35:33,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 08:35:33,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 08:35:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 08:35:33,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 08:35:33,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Received shutdown request... [2022-01-18 08:48:56,696 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 08:48:56,697 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 08:48:57,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2022-01-18 08:48:57,897 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2022-01-18 08:48:57,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 137 [2022-01-18 08:48:57,924 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-18 08:48:57,924 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-01-18 08:48:57,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-01-18 08:48:57,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134525863] [2022-01-18 08:48:57,925 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-01-18 08:48:57,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-18 08:48:57,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 08:48:57,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-18 08:48:57,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:48:57,925 INFO L87 Difference]: Start difference. First operand 11950 states and 34629 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2022-01-18 08:48:57,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 08:48:57,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-18 08:48:57,927 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 08:48:57,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 08:48:57,927 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 08:48:57,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 08:48:57,928 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (11950states) and FLOYD_HOARE automaton (currently 2 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). [2022-01-18 08:48:57,928 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-01-18 08:48:57,928 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-01-18 08:48:57,929 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2022-01-18 08:48:57,929 INFO L308 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT,TIMEOUT,TIMEOUT (1/2) [2022-01-18 08:48:57,929 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == InUseError ======== [2022-01-18 08:48:57,930 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, 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 [2022-01-18 08:48:57,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-18 08:48:57,930 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing initial abstraction,while executing BasicCegarLoop. [2022-01-18 08:48:57,930 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-18 08:48:57,930 INFO L732 BasicCegarLoop]: Path program histogram: [] [2022-01-18 08:48:57,930 INFO L308 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2022-01-18 08:48:57,930 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-01-18 08:48:57,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 08:48:57,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 08:48:57 BasicIcfg [2022-01-18 08:48:57,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 08:48:57,933 INFO L158 Benchmark]: Toolchain (without parser) took 886976.42ms. Allocated memory was 390.1MB in the beginning and 1.0GB in the end (delta: 641.7MB). Free memory was 331.2MB in the beginning and 541.4MB in the end (delta: -210.2MB). Peak memory consumption was 432.8MB. Max. memory is 16.0GB. [2022-01-18 08:48:57,933 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 390.1MB. Free memory is still 349.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:48:57,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.55ms. Allocated memory was 390.1MB in the beginning and 480.2MB in the end (delta: 90.2MB). Free memory was 331.0MB in the beginning and 440.6MB in the end (delta: -109.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.0GB. [2022-01-18 08:48:57,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 480.2MB. Free memory was 440.6MB in the beginning and 438.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 08:48:57,934 INFO L158 Benchmark]: Boogie Preprocessor took 25.48ms. Allocated memory is still 480.2MB. Free memory was 438.7MB in the beginning and 437.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 08:48:57,934 INFO L158 Benchmark]: RCFGBuilder took 2494.40ms. Allocated memory is still 480.2MB. Free memory was 437.6MB in the beginning and 421.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 08:48:57,934 INFO L158 Benchmark]: TraceAbstraction took 884034.33ms. Allocated memory was 480.2MB in the beginning and 1.0GB in the end (delta: 551.6MB). Free memory was 421.9MB in the beginning and 541.4MB in the end (delta: -119.5MB). Peak memory consumption was 433.1MB. Max. memory is 16.0GB. [2022-01-18 08:48:57,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 390.1MB. Free memory is still 349.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 374.55ms. Allocated memory was 390.1MB in the beginning and 480.2MB in the end (delta: 90.2MB). Free memory was 331.0MB in the beginning and 440.6MB in the end (delta: -109.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 480.2MB. Free memory was 440.6MB in the beginning and 438.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.48ms. Allocated memory is still 480.2MB. Free memory was 438.7MB in the beginning and 437.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 2494.40ms. Allocated memory is still 480.2MB. Free memory was 437.6MB in the beginning and 421.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 884034.33ms. Allocated memory was 480.2MB in the beginning and 1.0GB in the end (delta: 551.6MB). Free memory was 421.9MB in the beginning and 541.4MB in the end (delta: -119.5MB). Peak memory consumption was 433.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - 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 - 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 - 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 - TimeoutResultAtElement [Line: 727]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (11950states) and FLOYD_HOARE automaton (currently 2 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 734]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing initial abstraction,while executing BasicCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 127 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 159 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 879.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 68.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 31 mSolverCounterUnknown, 1181 SdHoareTripleChecker+Valid, 67.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1181 mSDsluCounter, 4665 SdHoareTripleChecker+Invalid, 62.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3172 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 1548 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 288 GetRequests, 240 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25205occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 5752 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 610 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 713 ConstructedInterpolants, 0 QuantifiedInterpolants, 2554 SizeOfPredicates, 6 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 26/55 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 2 thread instances CFG has 4 procedures, 159 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown