/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 11:15:10,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 11:15:10,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 11:15:10,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-21 11:15:10,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-21 11:15:10,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-21 11:15:10,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-21 11:15:10,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-21 11:15:10,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-21 11:15:10,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-21 11:15:10,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-21 11:15:10,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-21 11:15:10,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 11:15:10,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 11:15:10,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 11:15:10,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 11:15:10,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 11:15:10,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 11:15:10,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 11:15:10,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 11:15:10,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 11:15:10,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 11:15:10,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 11:15:10,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 11:15:10,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-21 11:15:10,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 11:15:10,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 11:15:10,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 11:15:10,115 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.epf [2021-08-21 11:15:10,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 11:15:10,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 11:15:10,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-21 11:15:10,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-21 11:15:10,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 11:15:10,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 11:15:10,148 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 11:15:10,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 11:15:10,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 11:15:10,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 11:15:10,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 11:15:10,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 11:15:10,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 11:15:10,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 11:15:10,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 11:15:10,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 11:15:10,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 11:15:10,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 11:15:10,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 11:15:10,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 11:15:10,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 11:15:10,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 11:15:10,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 11:15:10,407 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 11:15:10,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2021-08-21 11:15:10,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6467aa649/24407e99477f41b093f2859d9570c3b1/FLAGe349ff36c [2021-08-21 11:15:10,867 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 11:15:10,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2021-08-21 11:15:10,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6467aa649/24407e99477f41b093f2859d9570c3b1/FLAGe349ff36c [2021-08-21 11:15:10,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6467aa649/24407e99477f41b093f2859d9570c3b1 [2021-08-21 11:15:10,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 11:15:10,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 11:15:10,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 11:15:10,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 11:15:10,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 11:15:10,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:15:10" (1/1) ... [2021-08-21 11:15:10,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684732bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:10, skipping insertion in model container [2021-08-21 11:15:10,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 11:15:10" (1/1) ... [2021-08-21 11:15:10,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 11:15:10,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 11:15:11,029 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-21 11:15:11,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-08-21 11:15:11,185 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-08-21 11:15:11,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 11:15:11,198 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 11:15:11,213 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-21 11:15:11,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-08-21 11:15:11,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-08-21 11:15:11,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 11:15:11,256 INFO L208 MainTranslator]: Completed translation [2021-08-21 11:15:11,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11 WrapperNode [2021-08-21 11:15:11,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 11:15:11,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 11:15:11,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 11:15:11,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 11:15:11,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 11:15:11,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 11:15:11,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 11:15:11,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 11:15:11,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 11:15:11,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 11:15:11,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 11:15:11,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 11:15:11,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (1/1) ... [2021-08-21 11:15:11,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 11:15:11,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 11:15:11,362 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) [2021-08-21 11:15:11,394 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 [2021-08-21 11:15:11,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-08-21 11:15:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-08-21 11:15:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-21 11:15:11,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 11:15:11,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 11:15:11,413 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 11:15:11,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 11:15:11,802 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-21 11:15:11,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:15:11 BoogieIcfgContainer [2021-08-21 11:15:11,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 11:15:11,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 11:15:11,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 11:15:11,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 11:15:11,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 11:15:10" (1/3) ... [2021-08-21 11:15:11,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a514577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:15:11, skipping insertion in model container [2021-08-21 11:15:11,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 11:15:11" (2/3) ... [2021-08-21 11:15:11,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a514577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 11:15:11, skipping insertion in model container [2021-08-21 11:15:11,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 11:15:11" (3/3) ... [2021-08-21 11:15:11,809 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2021-08-21 11:15:11,813 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 11:15:11,813 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 11:15:11,813 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 11:15:11,813 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 11:15:11,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,843 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,846 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,849 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,850 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,851 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,852 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,853 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,854 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,876 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,877 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,877 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,880 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,880 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 11:15:11,900 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 11:15:11,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 11:15:11,941 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, mConcurrency=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 [2021-08-21 11:15:11,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 11:15:11,948 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 129 transitions, 274 flow [2021-08-21 11:15:12,031 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4289 states, 4286 states have (on average 3.366075594960336) internal successors, (14427), 4288 states have internal predecessors, (14427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 4289 states, 4286 states have (on average 3.366075594960336) internal successors, (14427), 4288 states have internal predecessors, (14427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-21 11:15:12,047 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:12,047 INFO L512 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] [2021-08-21 11:15:12,048 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:12,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:12,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1608657040, now seen corresponding path program 1 times [2021-08-21 11:15:12,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:12,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145148443] [2021-08-21 11:15:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:12,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:12,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:12,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145148443] [2021-08-21 11:15:12,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145148443] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:12,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:12,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 11:15:12,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013275291] [2021-08-21 11:15:12,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-21 11:15:12,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:12,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-21 11:15:12,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 11:15:12,236 INFO L87 Difference]: Start difference. First operand has 4289 states, 4286 states have (on average 3.366075594960336) internal successors, (14427), 4288 states have internal predecessors, (14427), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:12,291 INFO L93 Difference]: Finished difference Result 4289 states and 12880 transitions. [2021-08-21 11:15:12,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 11:15:12,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-08-21 11:15:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:12,328 INFO L225 Difference]: With dead ends: 4289 [2021-08-21 11:15:12,329 INFO L226 Difference]: Without dead ends: 4289 [2021-08-21 11:15:12,329 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 11:15:12,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4289 states. [2021-08-21 11:15:12,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4289 to 4289. [2021-08-21 11:15:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4289 states, 4286 states have (on average 3.0051329911339244) internal successors, (12880), 4288 states have internal predecessors, (12880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 4289 states and 12880 transitions. [2021-08-21 11:15:12,455 INFO L78 Accepts]: Start accepts. Automaton has 4289 states and 12880 transitions. Word has length 25 [2021-08-21 11:15:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:12,456 INFO L470 AbstractCegarLoop]: Abstraction has 4289 states and 12880 transitions. [2021-08-21 11:15:12,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 12880 transitions. [2021-08-21 11:15:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-21 11:15:12,458 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:12,458 INFO L512 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] [2021-08-21 11:15:12,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 11:15:12,458 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:12,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:12,459 INFO L82 PathProgramCache]: Analyzing trace with hash 905942179, now seen corresponding path program 1 times [2021-08-21 11:15:12,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:12,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854469747] [2021-08-21 11:15:12,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:12,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:12,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:12,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854469747] [2021-08-21 11:15:12,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854469747] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:12,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:12,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 11:15:12,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360678164] [2021-08-21 11:15:12,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:15:12,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:12,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:15:12,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:15:12,501 INFO L87 Difference]: Start difference. First operand 4289 states and 12880 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:12,587 INFO L93 Difference]: Finished difference Result 4186 states and 12488 transitions. [2021-08-21 11:15:12,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:15:12,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-08-21 11:15:12,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:12,608 INFO L225 Difference]: With dead ends: 4186 [2021-08-21 11:15:12,608 INFO L226 Difference]: Without dead ends: 3686 [2021-08-21 11:15:12,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:15:12,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2021-08-21 11:15:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3617. [2021-08-21 11:15:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 3614 states have (on average 3.007470946319867) internal successors, (10869), 3616 states have internal predecessors, (10869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 10869 transitions. [2021-08-21 11:15:12,711 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 10869 transitions. Word has length 33 [2021-08-21 11:15:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:12,711 INFO L470 AbstractCegarLoop]: Abstraction has 3617 states and 10869 transitions. [2021-08-21 11:15:12,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 10869 transitions. [2021-08-21 11:15:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-08-21 11:15:12,717 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:12,717 INFO L512 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] [2021-08-21 11:15:12,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 11:15:12,718 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:12,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1527108856, now seen corresponding path program 1 times [2021-08-21 11:15:12,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:12,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427885693] [2021-08-21 11:15:12,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:12,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:12,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:12,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427885693] [2021-08-21 11:15:12,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427885693] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:12,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:12,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 11:15:12,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417092297] [2021-08-21 11:15:12,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 11:15:12,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:12,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 11:15:12,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:15:12,804 INFO L87 Difference]: Start difference. First operand 3617 states and 10869 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:12,842 INFO L93 Difference]: Finished difference Result 3424 states and 10257 transitions. [2021-08-21 11:15:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 11:15:12,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-08-21 11:15:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:12,855 INFO L225 Difference]: With dead ends: 3424 [2021-08-21 11:15:12,855 INFO L226 Difference]: Without dead ends: 2819 [2021-08-21 11:15:12,855 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 11:15:12,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2021-08-21 11:15:12,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2819. [2021-08-21 11:15:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2819 states, 2817 states have (on average 3.0390486332978344) internal successors, (8561), 2818 states have internal predecessors, (8561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2819 states and 8561 transitions. [2021-08-21 11:15:12,914 INFO L78 Accepts]: Start accepts. Automaton has 2819 states and 8561 transitions. Word has length 39 [2021-08-21 11:15:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:12,915 INFO L470 AbstractCegarLoop]: Abstraction has 2819 states and 8561 transitions. [2021-08-21 11:15:12,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 8561 transitions. [2021-08-21 11:15:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 11:15:12,920 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:12,921 INFO L512 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:15:12,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 11:15:12,921 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:12,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:12,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1700167181, now seen corresponding path program 1 times [2021-08-21 11:15:12,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:12,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624139102] [2021-08-21 11:15:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:12,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:12,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:12,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624139102] [2021-08-21 11:15:12,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624139102] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:12,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:12,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:15:12,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544039768] [2021-08-21 11:15:12,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:15:12,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:15:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:15:12,998 INFO L87 Difference]: Start difference. First operand 2819 states and 8561 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:13,145 INFO L93 Difference]: Finished difference Result 5947 states and 18238 transitions. [2021-08-21 11:15:13,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 11:15:13,146 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 [2021-08-21 11:15:13,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:13,161 INFO L225 Difference]: With dead ends: 5947 [2021-08-21 11:15:13,161 INFO L226 Difference]: Without dead ends: 3325 [2021-08-21 11:15:13,162 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:15:13,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2021-08-21 11:15:13,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3005. [2021-08-21 11:15:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 3003 states have (on average 3.0273060273060275) internal successors, (9091), 3004 states have internal predecessors, (9091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 9091 transitions. [2021-08-21 11:15:13,255 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 9091 transitions. Word has length 50 [2021-08-21 11:15:13,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:13,256 INFO L470 AbstractCegarLoop]: Abstraction has 3005 states and 9091 transitions. [2021-08-21 11:15:13,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 9091 transitions. [2021-08-21 11:15:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 11:15:13,259 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:13,259 INFO L512 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:15:13,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 11:15:13,260 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:13,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:13,261 INFO L82 PathProgramCache]: Analyzing trace with hash 395164117, now seen corresponding path program 2 times [2021-08-21 11:15:13,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:13,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024219434] [2021-08-21 11:15:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:13,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:13,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:13,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:13,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024219434] [2021-08-21 11:15:13,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024219434] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:13,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:13,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:15:13,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999822530] [2021-08-21 11:15:13,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:15:13,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:13,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:15:13,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:15:13,319 INFO L87 Difference]: Start difference. First operand 3005 states and 9091 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:13,393 INFO L93 Difference]: Finished difference Result 8683 states and 26398 transitions. [2021-08-21 11:15:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 11:15:13,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 [2021-08-21 11:15:13,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:13,435 INFO L225 Difference]: With dead ends: 8683 [2021-08-21 11:15:13,435 INFO L226 Difference]: Without dead ends: 8683 [2021-08-21 11:15:13,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:15:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8683 states. [2021-08-21 11:15:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8683 to 3353. [2021-08-21 11:15:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3353 states, 3351 states have (on average 3.027156072814085) internal successors, (10144), 3352 states have internal predecessors, (10144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 10144 transitions. [2021-08-21 11:15:13,584 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 10144 transitions. Word has length 50 [2021-08-21 11:15:13,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:13,584 INFO L470 AbstractCegarLoop]: Abstraction has 3353 states and 10144 transitions. [2021-08-21 11:15:13,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 10144 transitions. [2021-08-21 11:15:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 11:15:13,590 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:13,590 INFO L512 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:15:13,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 11:15:13,590 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:13,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:13,590 INFO L82 PathProgramCache]: Analyzing trace with hash -491186821, now seen corresponding path program 3 times [2021-08-21 11:15:13,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:13,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213241921] [2021-08-21 11:15:13,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:13,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:13,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:13,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213241921] [2021-08-21 11:15:13,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213241921] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:13,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:13,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:15:13,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019693158] [2021-08-21 11:15:13,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:15:13,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:15:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:15:13,630 INFO L87 Difference]: Start difference. First operand 3353 states and 10144 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:13,720 INFO L93 Difference]: Finished difference Result 5025 states and 15026 transitions. [2021-08-21 11:15:13,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 11:15:13,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 [2021-08-21 11:15:13,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:13,727 INFO L225 Difference]: With dead ends: 5025 [2021-08-21 11:15:13,727 INFO L226 Difference]: Without dead ends: 2253 [2021-08-21 11:15:13,727 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:15:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2021-08-21 11:15:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2137. [2021-08-21 11:15:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 2135 states have (on average 2.742857142857143) internal successors, (5856), 2136 states have internal predecessors, (5856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 5856 transitions. [2021-08-21 11:15:13,806 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 5856 transitions. Word has length 50 [2021-08-21 11:15:13,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:13,807 INFO L470 AbstractCegarLoop]: Abstraction has 2137 states and 5856 transitions. [2021-08-21 11:15:13,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 5856 transitions. [2021-08-21 11:15:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 11:15:13,810 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:13,811 INFO L512 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:15:13,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-21 11:15:13,811 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:13,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:13,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1879809225, now seen corresponding path program 4 times [2021-08-21 11:15:13,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:13,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459948068] [2021-08-21 11:15:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:13,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:13,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:13,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459948068] [2021-08-21 11:15:13,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459948068] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:13,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:13,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:15:13,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929379418] [2021-08-21 11:15:13,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:15:13,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:13,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:15:13,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:15:13,867 INFO L87 Difference]: Start difference. First operand 2137 states and 5856 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:13,914 INFO L93 Difference]: Finished difference Result 4629 states and 12388 transitions. [2021-08-21 11:15:13,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 11:15:13,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 [2021-08-21 11:15:13,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:13,926 INFO L225 Difference]: With dead ends: 4629 [2021-08-21 11:15:13,927 INFO L226 Difference]: Without dead ends: 4353 [2021-08-21 11:15:13,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:15:13,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2021-08-21 11:15:13,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 2197. [2021-08-21 11:15:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2197 states, 2195 states have (on average 2.71753986332574) internal successors, (5965), 2196 states have internal predecessors, (5965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 2197 states and 5965 transitions. [2021-08-21 11:15:13,993 INFO L78 Accepts]: Start accepts. Automaton has 2197 states and 5965 transitions. Word has length 50 [2021-08-21 11:15:13,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:13,993 INFO L470 AbstractCegarLoop]: Abstraction has 2197 states and 5965 transitions. [2021-08-21 11:15:13,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 5965 transitions. [2021-08-21 11:15:13,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-21 11:15:13,997 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:13,997 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:15:13,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-21 11:15:13,997 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:13,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1294039021, now seen corresponding path program 1 times [2021-08-21 11:15:13,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:13,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896290772] [2021-08-21 11:15:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:13,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:14,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:14,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896290772] [2021-08-21 11:15:14,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896290772] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:14,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:14,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:15:14,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71083073] [2021-08-21 11:15:14,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:15:14,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:15:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:15:14,031 INFO L87 Difference]: Start difference. First operand 2197 states and 5965 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:14,057 INFO L93 Difference]: Finished difference Result 2078 states and 5468 transitions. [2021-08-21 11:15:14,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 11:15:14,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2021-08-21 11:15:14,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:14,061 INFO L225 Difference]: With dead ends: 2078 [2021-08-21 11:15:14,061 INFO L226 Difference]: Without dead ends: 1886 [2021-08-21 11:15:14,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:15:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2021-08-21 11:15:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1749. [2021-08-21 11:15:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1747 states have (on average 2.674871207784774) internal successors, (4673), 1748 states have internal predecessors, (4673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 4673 transitions. [2021-08-21 11:15:14,095 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 4673 transitions. Word has length 55 [2021-08-21 11:15:14,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:14,095 INFO L470 AbstractCegarLoop]: Abstraction has 1749 states and 4673 transitions. [2021-08-21 11:15:14,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 4673 transitions. [2021-08-21 11:15:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-21 11:15:14,098 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 11:15:14,098 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 11:15:14,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-21 11:15:14,098 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2021-08-21 11:15:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 11:15:14,099 INFO L82 PathProgramCache]: Analyzing trace with hash 75845328, now seen corresponding path program 1 times [2021-08-21 11:15:14,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 11:15:14,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953528878] [2021-08-21 11:15:14,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 11:15:14,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 11:15:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 11:15:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 11:15:14,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 11:15:14,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953528878] [2021-08-21 11:15:14,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953528878] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 11:15:14,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 11:15:14,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 11:15:14,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652925799] [2021-08-21 11:15:14,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 11:15:14,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 11:15:14,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 11:15:14,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-21 11:15:14,132 INFO L87 Difference]: Start difference. First operand 1749 states and 4673 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 11:15:14,170 INFO L93 Difference]: Finished difference Result 928 states and 2509 transitions. [2021-08-21 11:15:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 11:15:14,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2021-08-21 11:15:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 11:15:14,171 INFO L225 Difference]: With dead ends: 928 [2021-08-21 11:15:14,171 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 11:15:14,171 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-21 11:15:14,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 11:15:14,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 11:15:14,171 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) [2021-08-21 11:15:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 11:15:14,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-08-21 11:15:14,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 11:15:14,172 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 11:15:14,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 11:15:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 11:15:14,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 11:15:14,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:15:14,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:15:14,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 11:15:14,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 11:15:14,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:15:14,174 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 11:15:14,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-21 11:15:14,180 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 11:15:14,180 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 11:15:14,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 11:15:14 BasicIcfg [2021-08-21 11:15:14,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 11:15:14,183 INFO L168 Benchmark]: Toolchain (without parser) took 3296.19 ms. Allocated memory was 188.7 MB in the beginning and 440.4 MB in the end (delta: 251.7 MB). Free memory was 152.7 MB in the beginning and 340.6 MB in the end (delta: -187.9 MB). Peak memory consumption was 64.6 MB. Max. memory is 8.0 GB. [2021-08-21 11:15:14,184 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 188.7 MB. Free memory is still 170.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 11:15:14,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.76 ms. Allocated memory is still 188.7 MB. Free memory was 152.4 MB in the beginning and 161.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. [2021-08-21 11:15:14,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.86 ms. Allocated memory is still 188.7 MB. Free memory was 161.3 MB in the beginning and 159.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 11:15:14,185 INFO L168 Benchmark]: Boogie Preprocessor took 30.97 ms. Allocated memory is still 188.7 MB. Free memory was 159.3 MB in the beginning and 157.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 11:15:14,185 INFO L168 Benchmark]: RCFGBuilder took 473.16 ms. Allocated memory is still 188.7 MB. Free memory was 157.7 MB in the beginning and 129.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2021-08-21 11:15:14,186 INFO L168 Benchmark]: TraceAbstraction took 2375.98 ms. Allocated memory was 188.7 MB in the beginning and 440.4 MB in the end (delta: 251.7 MB). Free memory was 128.8 MB in the beginning and 340.6 MB in the end (delta: -211.7 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. [2021-08-21 11:15:14,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 188.7 MB. Free memory is still 170.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 369.76 ms. Allocated memory is still 188.7 MB. Free memory was 152.4 MB in the beginning and 161.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.86 ms. Allocated memory is still 188.7 MB. Free memory was 161.3 MB in the beginning and 159.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.97 ms. Allocated memory is still 188.7 MB. Free memory was 159.3 MB in the beginning and 157.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 473.16 ms. Allocated memory is still 188.7 MB. Free memory was 157.7 MB in the beginning and 129.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2375.98 ms. Allocated memory was 188.7 MB in the beginning and 440.4 MB in the end (delta: 251.7 MB). Free memory was 128.8 MB in the beginning and 340.6 MB in the end (delta: -211.7 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 764]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 172 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2243.3ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 45.3ms, AutomataDifference: 779.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 90.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1353 SDtfs, 809 SDslu, 1510 SDs, 0 SdLazy, 218 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 176.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 68.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4289occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 696.7ms AutomataMinimizationTime, 9 MinimizatonAttempts, 8128 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.7ms SsaConstructionTime, 74.5ms SatisfiabilityAnalysisTime, 368.8ms InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-21 11:15:14,212 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 Received shutdown request...