/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 18:32:49,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 18:32:49,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 18:32:49,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-06 18:32:49,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-06 18:32:49,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-06 18:32:49,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-06 18:32:49,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-06 18:32:50,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-06 18:32:50,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-06 18:32:50,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-06 18:32:50,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-06 18:32:50,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-06 18:32:50,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-06 18:32:50,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-06 18:32:50,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-06 18:32:50,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-06 18:32:50,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-06 18:32:50,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-06 18:32:50,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-06 18:32:50,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-06 18:32:50,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-06 18:32:50,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-06 18:32:50,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-06 18:32:50,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-06 18:32:50,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-06 18:32:50,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-06 18:32:50,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-06 18:32:50,059 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-Delay.epf [2021-08-06 18:32:50,095 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 18:32:50,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 18:32:50,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 18:32:50,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 18:32:50,099 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 18:32:50,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 18:32:50,099 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 18:32:50,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 18:32:50,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 18:32:50,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 18:32:50,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 18:32:50,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 18:32:50,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 18:32:50,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 18:32:50,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 18:32:50,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 18:32:50,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 18:32:50,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 18:32:50,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 18:32:50,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 18:32:50,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 18:32:50,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 18:32:50,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 18:32:50,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 18:32:50,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 18:32:50,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 18:32:50,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 18:32:50,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 18:32:50,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 18:32:50,104 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-06 18:32:50,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 18:32:50,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 18:32:50,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 18:32:50,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 18:32:50,451 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-06 18:32:50,453 INFO L275 PluginConnector]: CDTParser initialized [2021-08-06 18:32:50,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2021-08-06 18:32:50,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e097933/e21db76f121f4dcf91de49fa1c5474a5/FLAG519d2e05c [2021-08-06 18:32:51,005 INFO L306 CDTParser]: Found 1 translation units. [2021-08-06 18:32:51,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2021-08-06 18:32:51,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e097933/e21db76f121f4dcf91de49fa1c5474a5/FLAG519d2e05c [2021-08-06 18:32:51,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e097933/e21db76f121f4dcf91de49fa1c5474a5 [2021-08-06 18:32:51,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 18:32:51,535 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-06 18:32:51,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-06 18:32:51,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-06 18:32:51,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-06 18:32:51,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 06:32:51" (1/1) ... [2021-08-06 18:32:51,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20770077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:51, skipping insertion in model container [2021-08-06 18:32:51,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 06:32:51" (1/1) ... [2021-08-06 18:32:51,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-06 18:32:51,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-06 18:32:51,988 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2021-08-06 18:32:52,008 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2021-08-06 18:32:52,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 18:32:52,027 INFO L203 MainTranslator]: Completed pre-run [2021-08-06 18:32:52,083 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2021-08-06 18:32:52,091 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2021-08-06 18:32:52,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 18:32:52,173 INFO L208 MainTranslator]: Completed translation [2021-08-06 18:32:52,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52 WrapperNode [2021-08-06 18:32:52,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-06 18:32:52,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 18:32:52,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 18:32:52,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 18:32:52,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 18:32:52,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 18:32:52,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 18:32:52,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 18:32:52,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 18:32:52,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 18:32:52,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 18:32:52,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 18:32:52,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (1/1) ... [2021-08-06 18:32:52,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 18:32:52,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:32:52,318 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) [2021-08-06 18:32:52,346 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 [2021-08-06 18:32:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-08-06 18:32:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-08-06 18:32:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-06 18:32:52,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 18:32:52,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 18:32:52,364 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 18:32:53,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 18:32:53,120 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-08-06 18:32:53,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 06:32:53 BoogieIcfgContainer [2021-08-06 18:32:53,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 18:32:53,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 18:32:53,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 18:32:53,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 18:32:53,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 06:32:51" (1/3) ... [2021-08-06 18:32:53,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c16eb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 06:32:53, skipping insertion in model container [2021-08-06 18:32:53,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:52" (2/3) ... [2021-08-06 18:32:53,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c16eb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 06:32:53, skipping insertion in model container [2021-08-06 18:32:53,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 06:32:53" (3/3) ... [2021-08-06 18:32:53,129 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2021-08-06 18:32:53,133 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 18:32:53,133 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 18:32:53,133 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-06 18:32:53,134 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 18:32:53,176 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,176 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,179 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,179 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,179 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,179 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,179 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,179 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,180 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,181 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,183 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,184 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,185 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,186 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,200 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,200 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,201 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,201 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,201 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,207 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,208 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,209 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,210 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,211 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,212 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,213 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,213 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,213 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,213 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,213 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,213 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,214 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,214 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,214 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,214 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,214 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,214 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,215 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,216 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,217 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,219 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,220 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,223 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,224 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,225 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,226 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,226 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,226 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,226 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,227 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,228 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,229 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,230 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,231 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,231 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,231 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,232 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,232 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,232 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,232 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,232 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,232 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,233 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,234 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,235 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,245 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:53,256 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-06 18:32:53,295 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 18:32:53,300 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 [2021-08-06 18:32:53,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-06 18:32:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 341 states have (on average 1.1202346041055717) internal successors, (382), 347 states have internal predecessors, (382), 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) [2021-08-06 18:32:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-06 18:32:53,490 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:53,491 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] [2021-08-06 18:32:53,491 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-06 18:32:53,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:53,496 INFO L82 PathProgramCache]: Analyzing trace with hash -470167512, now seen corresponding path program 1 times [2021-08-06 18:32:53,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:53,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804065933] [2021-08-06 18:32:53,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:53,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:53,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:53,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804065933] [2021-08-06 18:32:53,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804065933] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:53,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:53,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-06 18:32:53,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751938885] [2021-08-06 18:32:53,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-06 18:32:53,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:53,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-06 18:32:53,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-06 18:32:53,703 INFO L87 Difference]: Start difference. First operand has 348 states, 341 states have (on average 1.1202346041055717) internal successors, (382), 347 states have internal predecessors, (382), 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 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-08-06 18:32:53,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:53,721 INFO L93 Difference]: Finished difference Result 344 states and 371 transitions. [2021-08-06 18:32:53,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:32:53,722 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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 48 [2021-08-06 18:32:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:53,727 INFO L225 Difference]: With dead ends: 344 [2021-08-06 18:32:53,727 INFO L226 Difference]: Without dead ends: 0 [2021-08-06 18:32:53,728 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 [2021-08-06 18:32:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-06 18:32:53,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-06 18:32:53,745 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) [2021-08-06 18:32:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-06 18:32:53,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-08-06 18:32:53,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:53,746 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-06 18:32:53,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2021-08-06 18:32:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-06 18:32:53,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-06 18:32:53,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 18:32:53,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 18:32:53,749 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 18:32:53,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-06 18:32:53,751 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2021-08-06 18:32:53,754 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2021-08-06 18:32:53,755 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 [2021-08-06 18:32:53,756 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-06 18:32:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 13217 states, 13156 states have (on average 2.064305259957434) internal successors, (27158), 13216 states have internal predecessors, (27158), 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) [2021-08-06 18:32:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-08-06 18:32:55,135 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:55,135 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:32:55,135 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:55,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:55,136 INFO L82 PathProgramCache]: Analyzing trace with hash 611247246, now seen corresponding path program 1 times [2021-08-06 18:32:55,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:55,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433315030] [2021-08-06 18:32:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:55,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:55,452 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 51.7 percent of original size [2021-08-06 18:32:55,454 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 51.7 percent of original size [2021-08-06 18:32:55,472 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:55,475 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:55,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:55,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:55,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433315030] [2021-08-06 18:32:55,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433315030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:55,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:55,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-06 18:32:55,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945290024] [2021-08-06 18:32:55,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-06 18:32:55,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:55,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-06 18:32:55,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-08-06 18:32:55,556 INFO L87 Difference]: Start difference. First operand has 13217 states, 13156 states have (on average 2.064305259957434) internal successors, (27158), 13216 states have internal predecessors, (27158), 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 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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) [2021-08-06 18:32:56,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:56,189 INFO L93 Difference]: Finished difference Result 13016 states and 26373 transitions. [2021-08-06 18:32:56,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:32:56,190 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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 106 [2021-08-06 18:32:56,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:56,260 INFO L225 Difference]: With dead ends: 13016 [2021-08-06 18:32:56,261 INFO L226 Difference]: Without dead ends: 12408 [2021-08-06 18:32:56,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 294.3ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-08-06 18:32:56,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12408 states. [2021-08-06 18:32:56,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12408 to 12408. [2021-08-06 18:32:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12408 states, 12400 states have (on average 2.0683870967741935) internal successors, (25648), 12407 states have internal predecessors, (25648), 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) [2021-08-06 18:32:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12408 states to 12408 states and 25648 transitions. [2021-08-06 18:32:56,741 INFO L78 Accepts]: Start accepts. Automaton has 12408 states and 25648 transitions. Word has length 106 [2021-08-06 18:32:56,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:56,742 INFO L470 AbstractCegarLoop]: Abstraction has 12408 states and 25648 transitions. [2021-08-06 18:32:56,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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) [2021-08-06 18:32:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12408 states and 25648 transitions. [2021-08-06 18:32:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-08-06 18:32:56,762 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:56,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:32:56,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-06 18:32:56,762 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:56,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:56,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1622917232, now seen corresponding path program 1 times [2021-08-06 18:32:56,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:56,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111884891] [2021-08-06 18:32:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:56,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:56,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:56,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111884891] [2021-08-06 18:32:56,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111884891] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:56,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:56,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 18:32:56,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298005718] [2021-08-06 18:32:56,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:32:56,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:56,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:32:56,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:32:56,961 INFO L87 Difference]: Start difference. First operand 12408 states and 25648 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2021-08-06 18:32:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:56,983 INFO L93 Difference]: Finished difference Result 1911 states and 3114 transitions. [2021-08-06 18:32:56,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:32:56,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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 107 [2021-08-06 18:32:56,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:56,993 INFO L225 Difference]: With dead ends: 1911 [2021-08-06 18:32:56,993 INFO L226 Difference]: Without dead ends: 1834 [2021-08-06 18:32:56,995 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:32:56,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2021-08-06 18:32:57,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2021-08-06 18:32:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1833 states have (on average 1.6486633933442445) internal successors, (3022), 1833 states have internal predecessors, (3022), 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) [2021-08-06 18:32:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 3022 transitions. [2021-08-06 18:32:57,037 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 3022 transitions. Word has length 107 [2021-08-06 18:32:57,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:57,037 INFO L470 AbstractCegarLoop]: Abstraction has 1834 states and 3022 transitions. [2021-08-06 18:32:57,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2021-08-06 18:32:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 3022 transitions. [2021-08-06 18:32:57,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-08-06 18:32:57,047 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:57,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:32:57,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-06 18:32:57,047 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:57,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:57,049 INFO L82 PathProgramCache]: Analyzing trace with hash 256778279, now seen corresponding path program 1 times [2021-08-06 18:32:57,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:57,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314760561] [2021-08-06 18:32:57,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:57,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:57,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:57,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314760561] [2021-08-06 18:32:57,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314760561] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:57,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:57,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 18:32:57,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226833434] [2021-08-06 18:32:57,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:32:57,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:57,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:32:57,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:32:57,149 INFO L87 Difference]: Start difference. First operand 1834 states and 3022 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2021-08-06 18:32:57,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:57,174 INFO L93 Difference]: Finished difference Result 2378 states and 3682 transitions. [2021-08-06 18:32:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:32:57,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 117 [2021-08-06 18:32:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:57,185 INFO L225 Difference]: With dead ends: 2378 [2021-08-06 18:32:57,185 INFO L226 Difference]: Without dead ends: 2378 [2021-08-06 18:32:57,186 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:32:57,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2021-08-06 18:32:57,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 1849. [2021-08-06 18:32:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1849 states, 1848 states have (on average 1.645021645021645) internal successors, (3040), 1848 states have internal predecessors, (3040), 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) [2021-08-06 18:32:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1849 states and 3040 transitions. [2021-08-06 18:32:57,229 INFO L78 Accepts]: Start accepts. Automaton has 1849 states and 3040 transitions. Word has length 117 [2021-08-06 18:32:57,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:57,230 INFO L470 AbstractCegarLoop]: Abstraction has 1849 states and 3040 transitions. [2021-08-06 18:32:57,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2021-08-06 18:32:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3040 transitions. [2021-08-06 18:32:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-08-06 18:32:57,235 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:57,235 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:32:57,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-06 18:32:57,235 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:57,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:57,237 INFO L82 PathProgramCache]: Analyzing trace with hash 403417785, now seen corresponding path program 1 times [2021-08-06 18:32:57,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:57,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094488092] [2021-08-06 18:32:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:57,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:57,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:57,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094488092] [2021-08-06 18:32:57,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094488092] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:32:57,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826006822] [2021-08-06 18:32:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:57,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:32:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:32:57,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:32:57,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-06 18:32:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:57,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-06 18:32:57,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:32:58,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-06 18:32:58,321 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 6.3 percent of original size [2021-08-06 18:32:58,322 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 6.3 percent of original size [2021-08-06 18:32:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-06 18:32:58,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826006822] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:58,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-06 18:32:58,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-06 18:32:58,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702641405] [2021-08-06 18:32:58,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:32:58,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:58,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:32:58,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-06 18:32:58,555 INFO L87 Difference]: Start difference. First operand 1849 states and 3040 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-08-06 18:32:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:58,579 INFO L93 Difference]: Finished difference Result 1297 states and 2092 transitions. [2021-08-06 18:32:58,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:32:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 146 [2021-08-06 18:32:58,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:58,585 INFO L225 Difference]: With dead ends: 1297 [2021-08-06 18:32:58,585 INFO L226 Difference]: Without dead ends: 1297 [2021-08-06 18:32:58,585 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 17.4ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-06 18:32:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2021-08-06 18:32:58,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297. [2021-08-06 18:32:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1296 states have (on average 1.6141975308641976) internal successors, (2092), 1296 states have internal predecessors, (2092), 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) [2021-08-06 18:32:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 2092 transitions. [2021-08-06 18:32:58,614 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 2092 transitions. Word has length 146 [2021-08-06 18:32:58,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:58,615 INFO L470 AbstractCegarLoop]: Abstraction has 1297 states and 2092 transitions. [2021-08-06 18:32:58,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-08-06 18:32:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 2092 transitions. [2021-08-06 18:32:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-08-06 18:32:58,619 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:58,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:32:58,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-06 18:32:58,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:32:58,845 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:58,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:58,846 INFO L82 PathProgramCache]: Analyzing trace with hash 302080245, now seen corresponding path program 1 times [2021-08-06 18:32:58,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:58,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818414729] [2021-08-06 18:32:58,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:58,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:58,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:58,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818414729] [2021-08-06 18:32:58,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818414729] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:32:58,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096411594] [2021-08-06 18:32:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:58,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:32:58,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:32:58,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:32:58,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-06 18:32:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:59,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-06 18:32:59,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:32:59,852 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:32:59,853 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:00,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096411594] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:00,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:00,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-06 18:33:00,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857289611] [2021-08-06 18:33:00,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-06 18:33:00,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-06 18:33:00,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-06 18:33:00,112 INFO L87 Difference]: Start difference. First operand 1297 states and 2092 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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) [2021-08-06 18:33:00,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:00,173 INFO L93 Difference]: Finished difference Result 1842 states and 2729 transitions. [2021-08-06 18:33:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-06 18:33:00,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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 147 [2021-08-06 18:33:00,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:00,181 INFO L225 Difference]: With dead ends: 1842 [2021-08-06 18:33:00,182 INFO L226 Difference]: Without dead ends: 1842 [2021-08-06 18:33:00,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 32.7ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-06 18:33:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-08-06 18:33:00,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1575. [2021-08-06 18:33:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1574 states have (on average 1.5355781448538754) internal successors, (2417), 1574 states have internal predecessors, (2417), 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) [2021-08-06 18:33:00,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2417 transitions. [2021-08-06 18:33:00,219 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2417 transitions. Word has length 147 [2021-08-06 18:33:00,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:00,220 INFO L470 AbstractCegarLoop]: Abstraction has 1575 states and 2417 transitions. [2021-08-06 18:33:00,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 7 states have internal predecessors, (177), 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) [2021-08-06 18:33:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2417 transitions. [2021-08-06 18:33:00,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-08-06 18:33:00,233 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:00,233 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:00,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-06 18:33:00,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-06 18:33:00,449 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:00,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:00,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1987473197, now seen corresponding path program 2 times [2021-08-06 18:33:00,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:00,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860094157] [2021-08-06 18:33:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:00,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:00,566 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:00,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:00,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860094157] [2021-08-06 18:33:00,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860094157] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:00,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187727605] [2021-08-06 18:33:00,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 18:33:00,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:00,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:00,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:00,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-06 18:33:00,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 18:33:00,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:33:00,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-06 18:33:00,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:01,583 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:01,584 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:01,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187727605] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:01,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:01,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-06 18:33:01,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654651732] [2021-08-06 18:33:01,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-06 18:33:01,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-06 18:33:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-06 18:33:01,786 INFO L87 Difference]: Start difference. First operand 1575 states and 2417 transitions. Second operand has 9 states, 9 states have (on average 22.88888888888889) internal successors, (206), 9 states have internal predecessors, (206), 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) [2021-08-06 18:33:01,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:01,859 INFO L93 Difference]: Finished difference Result 2122 states and 3056 transitions. [2021-08-06 18:33:01,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-06 18:33:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.88888888888889) internal successors, (206), 9 states have internal predecessors, (206), 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 176 [2021-08-06 18:33:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:01,883 INFO L225 Difference]: With dead ends: 2122 [2021-08-06 18:33:01,883 INFO L226 Difference]: Without dead ends: 2122 [2021-08-06 18:33:01,883 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 55.8ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-08-06 18:33:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2021-08-06 18:33:01,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1855. [2021-08-06 18:33:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1854 states have (on average 1.4800431499460627) internal successors, (2744), 1854 states have internal predecessors, (2744), 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) [2021-08-06 18:33:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2744 transitions. [2021-08-06 18:33:01,921 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2744 transitions. Word has length 176 [2021-08-06 18:33:01,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:01,921 INFO L470 AbstractCegarLoop]: Abstraction has 1855 states and 2744 transitions. [2021-08-06 18:33:01,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.88888888888889) internal successors, (206), 9 states have internal predecessors, (206), 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) [2021-08-06 18:33:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2744 transitions. [2021-08-06 18:33:01,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-08-06 18:33:01,927 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:01,927 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:01,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-06 18:33:02,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:02,155 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1723225099, now seen corresponding path program 3 times [2021-08-06 18:33:02,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:02,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385930276] [2021-08-06 18:33:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:02,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:02,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:02,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385930276] [2021-08-06 18:33:02,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385930276] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:02,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679402818] [2021-08-06 18:33:02,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 18:33:02,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:02,288 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:02,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-06 18:33:02,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-06 18:33:02,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:33:02,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-06 18:33:02,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:02,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-06 18:33:02,870 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-06 18:33:02,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-06 18:33:03,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-06 18:33:03,736 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-08-06 18:33:03,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-08-06 18:33:03,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:03,977 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-06 18:33:03,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-06 18:33:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:04,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:04,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-06 18:33:04,124 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:04,124 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 44 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-06 18:33:04,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679402818] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:04,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:04,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2021-08-06 18:33:04,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793914325] [2021-08-06 18:33:04,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-06 18:33:04,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:04,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-06 18:33:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-06 18:33:04,372 INFO L87 Difference]: Start difference. First operand 1855 states and 2744 transitions. Second operand has 19 states, 19 states have (on average 17.842105263157894) internal successors, (339), 19 states have internal predecessors, (339), 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) [2021-08-06 18:33:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:05,854 INFO L93 Difference]: Finished difference Result 4100 states and 5717 transitions. [2021-08-06 18:33:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-06 18:33:05,854 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 17.842105263157894) internal successors, (339), 19 states have internal predecessors, (339), 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 205 [2021-08-06 18:33:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:05,863 INFO L225 Difference]: With dead ends: 4100 [2021-08-06 18:33:05,864 INFO L226 Difference]: Without dead ends: 4100 [2021-08-06 18:33:05,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1193 ImplicationChecksByTransitivity, 1060.1ms TimeCoverageRelationStatistics Valid=979, Invalid=3053, Unknown=0, NotChecked=0, Total=4032 [2021-08-06 18:33:05,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4100 states. [2021-08-06 18:33:05,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4100 to 2852. [2021-08-06 18:33:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2851 states have (on average 1.3689933356716941) internal successors, (3903), 2851 states have internal predecessors, (3903), 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) [2021-08-06 18:33:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3903 transitions. [2021-08-06 18:33:05,920 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3903 transitions. Word has length 205 [2021-08-06 18:33:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:05,921 INFO L470 AbstractCegarLoop]: Abstraction has 2852 states and 3903 transitions. [2021-08-06 18:33:05,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.842105263157894) internal successors, (339), 19 states have internal predecessors, (339), 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) [2021-08-06 18:33:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3903 transitions. [2021-08-06 18:33:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-08-06 18:33:05,928 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:05,928 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:05,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-06 18:33:06,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:06,157 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1176876150, now seen corresponding path program 1 times [2021-08-06 18:33:06,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:06,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396705594] [2021-08-06 18:33:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:06,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:06,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:06,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396705594] [2021-08-06 18:33:06,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396705594] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:06,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750061716] [2021-08-06 18:33:06,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:06,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:06,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:06,320 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:06,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-06 18:33:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:06,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-06 18:33:06,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:07,821 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:07,821 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:08,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750061716] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:08,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:08,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-06 18:33:08,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815458381] [2021-08-06 18:33:08,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-06 18:33:08,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:08,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-06 18:33:08,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-06 18:33:08,036 INFO L87 Difference]: Start difference. First operand 2852 states and 3903 transitions. Second operand has 13 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 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) [2021-08-06 18:33:08,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:08,154 INFO L93 Difference]: Finished difference Result 3818 states and 5027 transitions. [2021-08-06 18:33:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 18:33:08,154 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 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 238 [2021-08-06 18:33:08,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:08,163 INFO L225 Difference]: With dead ends: 3818 [2021-08-06 18:33:08,163 INFO L226 Difference]: Without dead ends: 3818 [2021-08-06 18:33:08,163 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 108.3ms TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-08-06 18:33:08,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2021-08-06 18:33:08,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3348. [2021-08-06 18:33:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 3347 states have (on average 1.3385121003884075) internal successors, (4480), 3347 states have internal predecessors, (4480), 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) [2021-08-06 18:33:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4480 transitions. [2021-08-06 18:33:08,224 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4480 transitions. Word has length 238 [2021-08-06 18:33:08,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:08,225 INFO L470 AbstractCegarLoop]: Abstraction has 3348 states and 4480 transitions. [2021-08-06 18:33:08,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 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) [2021-08-06 18:33:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4480 transitions. [2021-08-06 18:33:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-08-06 18:33:08,234 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:08,234 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:08,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-06 18:33:08,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:08,449 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:08,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:08,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1187710593, now seen corresponding path program 2 times [2021-08-06 18:33:08,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:08,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044438092] [2021-08-06 18:33:08,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:08,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:08,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:08,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044438092] [2021-08-06 18:33:08,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044438092] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:08,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787322687] [2021-08-06 18:33:08,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-06 18:33:08,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:08,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:08,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:08,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-06 18:33:09,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-06 18:33:09,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:33:09,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-06 18:33:09,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:10,450 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:10,451 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:10,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787322687] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:10,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:10,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-06 18:33:10,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221996645] [2021-08-06 18:33:10,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-06 18:33:10,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-06 18:33:10,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-06 18:33:10,668 INFO L87 Difference]: Start difference. First operand 3348 states and 4480 transitions. Second operand has 15 states, 15 states have (on average 20.066666666666666) internal successors, (301), 15 states have internal predecessors, (301), 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) [2021-08-06 18:33:10,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:10,831 INFO L93 Difference]: Finished difference Result 4314 states and 5604 transitions. [2021-08-06 18:33:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-06 18:33:10,831 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 20.066666666666666) internal successors, (301), 15 states have internal predecessors, (301), 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 271 [2021-08-06 18:33:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:10,840 INFO L225 Difference]: With dead ends: 4314 [2021-08-06 18:33:10,840 INFO L226 Difference]: Without dead ends: 4314 [2021-08-06 18:33:10,841 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 148.2ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-08-06 18:33:10,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4314 states. [2021-08-06 18:33:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4314 to 3844. [2021-08-06 18:33:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3844 states, 3843 states have (on average 1.3158990372105126) internal successors, (5057), 3843 states have internal predecessors, (5057), 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) [2021-08-06 18:33:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3844 states and 5057 transitions. [2021-08-06 18:33:10,908 INFO L78 Accepts]: Start accepts. Automaton has 3844 states and 5057 transitions. Word has length 271 [2021-08-06 18:33:10,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:10,908 INFO L470 AbstractCegarLoop]: Abstraction has 3844 states and 5057 transitions. [2021-08-06 18:33:10,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 20.066666666666666) internal successors, (301), 15 states have internal predecessors, (301), 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) [2021-08-06 18:33:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3844 states and 5057 transitions. [2021-08-06 18:33:10,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-08-06 18:33:10,918 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:10,918 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:10,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-08-06 18:33:11,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:11,138 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:11,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:11,138 INFO L82 PathProgramCache]: Analyzing trace with hash 243454575, now seen corresponding path program 3 times [2021-08-06 18:33:11,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:11,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37873974] [2021-08-06 18:33:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:11,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:11,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:11,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37873974] [2021-08-06 18:33:11,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37873974] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:11,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506156555] [2021-08-06 18:33:11,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-06 18:33:11,351 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:11,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:11,355 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:11,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-06 18:33:11,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-06 18:33:11,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:33:11,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 53 conjunts are in the unsatisfiable core [2021-08-06 18:33:11,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:12,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-06 18:33:12,127 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-06 18:33:12,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-06 18:33:13,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-06 18:33:13,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:13,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:13,585 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-06 18:33:13,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-06 18:33:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:13,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:13,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-06 18:33:14,071 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-08-06 18:33:14,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-08-06 18:33:14,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:14,287 INFO L354 Elim1Store]: treesize reduction 53, result has 19.7 percent of original size [2021-08-06 18:33:14,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 30 [2021-08-06 18:33:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:14,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:14,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-06 18:33:14,396 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:14,397 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 219 proven. 112 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-08-06 18:33:14,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506156555] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:14,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:14,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-08-06 18:33:14,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835500553] [2021-08-06 18:33:14,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-08-06 18:33:14,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:14,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-08-06 18:33:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=867, Unknown=0, NotChecked=0, Total=992 [2021-08-06 18:33:14,669 INFO L87 Difference]: Start difference. First operand 3844 states and 5057 transitions. Second operand has 32 states, 32 states have (on average 14.8125) internal successors, (474), 32 states have internal predecessors, (474), 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) [2021-08-06 18:33:19,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:19,869 INFO L93 Difference]: Finished difference Result 8011 states and 10624 transitions. [2021-08-06 18:33:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-08-06 18:33:19,870 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 14.8125) internal successors, (474), 32 states have internal predecessors, (474), 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 300 [2021-08-06 18:33:19,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:19,886 INFO L225 Difference]: With dead ends: 8011 [2021-08-06 18:33:19,886 INFO L226 Difference]: Without dead ends: 8011 [2021-08-06 18:33:19,892 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9313 ImplicationChecksByTransitivity, 4214.7ms TimeCoverageRelationStatistics Valid=3953, Invalid=20853, Unknown=0, NotChecked=0, Total=24806 [2021-08-06 18:33:19,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8011 states. [2021-08-06 18:33:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8011 to 5784. [2021-08-06 18:33:19,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5784 states, 5783 states have (on average 1.2640498011412762) internal successors, (7310), 5783 states have internal predecessors, (7310), 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) [2021-08-06 18:33:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5784 states to 5784 states and 7310 transitions. [2021-08-06 18:33:19,988 INFO L78 Accepts]: Start accepts. Automaton has 5784 states and 7310 transitions. Word has length 300 [2021-08-06 18:33:19,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:19,988 INFO L470 AbstractCegarLoop]: Abstraction has 5784 states and 7310 transitions. [2021-08-06 18:33:19,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 14.8125) internal successors, (474), 32 states have internal predecessors, (474), 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) [2021-08-06 18:33:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 5784 states and 7310 transitions. [2021-08-06 18:33:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-08-06 18:33:20,002 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:20,003 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:20,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-06 18:33:20,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:20,217 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:20,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:20,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1303632395, now seen corresponding path program 4 times [2021-08-06 18:33:20,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:20,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080512825] [2021-08-06 18:33:20,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:20,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:20,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:20,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080512825] [2021-08-06 18:33:20,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080512825] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:20,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354882796] [2021-08-06 18:33:20,469 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-06 18:33:20,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:20,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:20,471 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:20,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-06 18:33:21,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-06 18:33:21,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:33:21,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-06 18:33:21,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:23,240 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:23,241 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:23,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354882796] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:23,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:23,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-08-06 18:33:23,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133919768] [2021-08-06 18:33:23,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-06 18:33:23,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:23,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-06 18:33:23,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-08-06 18:33:23,422 INFO L87 Difference]: Start difference. First operand 5784 states and 7310 transitions. Second operand has 19 states, 19 states have (on average 19.31578947368421) internal successors, (367), 19 states have internal predecessors, (367), 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) [2021-08-06 18:33:23,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:23,655 INFO L93 Difference]: Finished difference Result 7265 states and 9031 transitions. [2021-08-06 18:33:23,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-06 18:33:23,656 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 19.31578947368421) internal successors, (367), 19 states have internal predecessors, (367), 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 337 [2021-08-06 18:33:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:23,673 INFO L225 Difference]: With dead ends: 7265 [2021-08-06 18:33:23,673 INFO L226 Difference]: Without dead ends: 7265 [2021-08-06 18:33:23,673 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 238.3ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-08-06 18:33:23,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2021-08-06 18:33:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 6544. [2021-08-06 18:33:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 6543 states have (on average 1.2521779000458506) internal successors, (8193), 6543 states have internal predecessors, (8193), 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) [2021-08-06 18:33:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8193 transitions. [2021-08-06 18:33:23,778 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8193 transitions. Word has length 337 [2021-08-06 18:33:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:23,778 INFO L470 AbstractCegarLoop]: Abstraction has 6544 states and 8193 transitions. [2021-08-06 18:33:23,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 19.31578947368421) internal successors, (367), 19 states have internal predecessors, (367), 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) [2021-08-06 18:33:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8193 transitions. [2021-08-06 18:33:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-08-06 18:33:23,795 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:23,795 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:33:23,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-06 18:33:24,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-06 18:33:24,003 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:24,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:24,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1177027301, now seen corresponding path program 5 times [2021-08-06 18:33:24,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:24,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472577899] [2021-08-06 18:33:24,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:24,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:24,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:24,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472577899] [2021-08-06 18:33:24,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472577899] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:24,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722633973] [2021-08-06 18:33:24,265 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-06 18:33:24,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:33:24,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:33:24,266 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:33:24,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-06 18:33:25,648 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-06 18:33:25,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:33:25,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 135 conjunts are in the unsatisfiable core [2021-08-06 18:33:25,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:33:26,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-06 18:33:26,352 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-06 18:33:26,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2021-08-06 18:33:27,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:27,041 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-08-06 18:33:27,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2021-08-06 18:33:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:27,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-06 18:33:27,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-08-06 18:33:27,811 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-06 18:33:27,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 64 [2021-08-06 18:33:28,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:28,533 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-08-06 18:33:28,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2021-08-06 18:33:28,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:28,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-06 18:33:29,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-08-06 18:33:29,257 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-06 18:33:29,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 64 [2021-08-06 18:33:29,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:29,966 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-08-06 18:33:29,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2021-08-06 18:33:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:30,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-06 18:33:30,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-08-06 18:33:30,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:30,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:31,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:31,196 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-06 18:33:31,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-06 18:33:31,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:31,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:31,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-06 18:33:31,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:31,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:32,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-06 18:33:32,408 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-06 18:33:32,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-06 18:33:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-06 18:33:32,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:32,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-06 18:33:33,156 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-08-06 18:33:33,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-08-06 18:33:33,420 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-06 18:33:33,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2021-08-06 18:33:33,470 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-08-06 18:33:33,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-08-06 18:33:33,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-06 18:33:33,535 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:33,536 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 6, result has 14.3 percent of original size [2021-08-06 18:33:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 543 proven. 261 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-06 18:33:33,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722633973] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:33:33,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-06 18:33:33,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 52] total 69 [2021-08-06 18:33:33,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255447263] [2021-08-06 18:33:33,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-08-06 18:33:33,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-08-06 18:33:33,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=4218, Unknown=0, NotChecked=0, Total=4692 [2021-08-06 18:33:33,763 INFO L87 Difference]: Start difference. First operand 6544 states and 8193 transitions. Second operand has 69 states, 69 states have (on average 8.840579710144928) internal successors, (610), 69 states have internal predecessors, (610), 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) [2021-08-06 18:34:04,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:34:04,737 INFO L93 Difference]: Finished difference Result 20808 states and 27554 transitions. [2021-08-06 18:34:04,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-08-06 18:34:04,738 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 8.840579710144928) internal successors, (610), 69 states have internal predecessors, (610), 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 366 [2021-08-06 18:34:04,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:34:04,774 INFO L225 Difference]: With dead ends: 20808 [2021-08-06 18:34:04,775 INFO L226 Difference]: Without dead ends: 20808 [2021-08-06 18:34:04,799 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1137 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117185 ImplicationChecksByTransitivity, 27269.1ms TimeCoverageRelationStatistics Valid=23832, Invalid=235758, Unknown=0, NotChecked=0, Total=259590 [2021-08-06 18:34:04,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20808 states. [2021-08-06 18:34:05,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20808 to 13691. [2021-08-06 18:34:05,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13691 states, 13690 states have (on average 1.2055514974433894) internal successors, (16504), 13690 states have internal predecessors, (16504), 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) [2021-08-06 18:34:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13691 states to 13691 states and 16504 transitions. [2021-08-06 18:34:05,089 INFO L78 Accepts]: Start accepts. Automaton has 13691 states and 16504 transitions. Word has length 366 [2021-08-06 18:34:05,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:34:05,090 INFO L470 AbstractCegarLoop]: Abstraction has 13691 states and 16504 transitions. [2021-08-06 18:34:05,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 8.840579710144928) internal successors, (610), 69 states have internal predecessors, (610), 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) [2021-08-06 18:34:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 13691 states and 16504 transitions. [2021-08-06 18:34:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-08-06 18:34:05,117 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:34:05,118 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 18:34:05,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-06 18:34:05,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-06 18:34:05,333 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:34:05,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:34:05,333 INFO L82 PathProgramCache]: Analyzing trace with hash -165596702, now seen corresponding path program 6 times [2021-08-06 18:34:05,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:34:05,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993303605] [2021-08-06 18:34:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:34:05,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:34:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:34:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:34:05,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:34:05,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993303605] [2021-08-06 18:34:05,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993303605] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-06 18:34:05,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356856955] [2021-08-06 18:34:05,637 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-06 18:34:05,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-06 18:34:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:34:05,641 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-06 18:34:05,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-06 18:34:07,185 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-06 18:34:07,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-06 18:34:07,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 61 conjunts are in the unsatisfiable core [2021-08-06 18:34:07,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-06 18:34:07,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-06 18:34:07,319 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-08-06 18:34:07,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-08-06 18:34:07,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-08-06 18:34:07,442 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-08-06 18:34:07,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-08-06 18:34:07,518 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-08-06 18:34:07,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-08-06 18:34:07,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-08-06 18:34:07,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-08-06 18:34:07,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-08-06 18:34:08,664 INFO L354 Elim1Store]: treesize reduction 26, result has 16.1 percent of original size [2021-08-06 18:34:08,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 30 [2021-08-06 18:34:08,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2021-08-06 18:34:09,084 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-08-06 18:34:09,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2021-08-06 18:34:09,127 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-08-06 18:34:09,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 30 [2021-08-06 18:34:13,846 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-08-06 18:34:13,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-06 18:34:14,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-06 18:34:14,057 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:313) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:80) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:75) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:918) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:880) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:798) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:425) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:162) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:251) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:235) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:128) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:151) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:438) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-06 18:34:14,059 INFO L168 Benchmark]: Toolchain (without parser) took 82523.76 ms. Allocated memory was 190.8 MB in the beginning and 1.0 GB in the end (delta: 832.6 MB). Free memory was 152.8 MB in the beginning and 347.6 MB in the end (delta: -194.8 MB). Peak memory consumption was 638.9 MB. Max. memory is 8.0 GB. [2021-08-06 18:34:14,059 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 190.8 MB. Free memory was 171.4 MB in the beginning and 171.3 MB in the end (delta: 78.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 18:34:14,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.90 ms. Allocated memory is still 190.8 MB. Free memory was 152.6 MB in the beginning and 154.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-06 18:34:14,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.66 ms. Allocated memory is still 190.8 MB. Free memory was 154.0 MB in the beginning and 150.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-06 18:34:14,059 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 190.8 MB. Free memory was 150.9 MB in the beginning and 149.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-06 18:34:14,059 INFO L168 Benchmark]: RCFGBuilder took 838.78 ms. Allocated memory is still 190.8 MB. Free memory was 149.3 MB in the beginning and 106.9 MB in the end (delta: 42.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-08-06 18:34:14,060 INFO L168 Benchmark]: TraceAbstraction took 80934.73 ms. Allocated memory was 190.8 MB in the beginning and 1.0 GB in the end (delta: 832.6 MB). Free memory was 106.3 MB in the beginning and 347.6 MB in the end (delta: -241.3 MB). Peak memory consumption was 592.9 MB. Max. memory is 8.0 GB. [2021-08-06 18:34:14,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 190.8 MB. Free memory was 171.4 MB in the beginning and 171.3 MB in the end (delta: 78.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 623.90 ms. Allocated memory is still 190.8 MB. Free memory was 152.6 MB in the beginning and 154.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 62.66 ms. Allocated memory is still 190.8 MB. Free memory was 154.0 MB in the beginning and 150.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 190.8 MB. Free memory was 150.9 MB in the beginning and 149.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 838.78 ms. Allocated memory is still 190.8 MB. Free memory was 149.3 MB in the beginning and 106.9 MB in the end (delta: 42.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 80934.73 ms. Allocated memory was 190.8 MB in the beginning and 1.0 GB in the end (delta: 832.6 MB). Free memory was 106.3 MB in the beginning and 347.6 MB in the end (delta: -241.3 MB). Peak memory consumption was 592.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288, positive: 246, positive conditional: 246, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 255, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 255, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 255, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 255, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 255, unknown conditional: 0, unknown unconditional: 255] , Statistics on independence cache: Total cache size (in pairs): 255, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Independence queries for same thread: 33 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34710, positive: 32374, positive conditional: 32374, positive unconditional: 0, negative: 2336, negative conditional: 2336, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33124, positive: 32374, positive conditional: 0, positive unconditional: 32374, negative: 750, negative conditional: 0, negative unconditional: 750, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5397, positive: 5299, positive conditional: 0, positive unconditional: 5299, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5397, positive: 5296, positive conditional: 0, positive unconditional: 5296, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33124, positive: 27075, positive conditional: 0, positive unconditional: 27075, negative: 652, negative conditional: 0, negative unconditional: 652, unknown: 5397, unknown conditional: 0, unknown unconditional: 5397] , Statistics on independence cache: Total cache size (in pairs): 5397, Positive cache size: 5299, Positive conditional cache size: 0, Positive unconditional cache size: 5299, Negative cache size: 98, Negative conditional cache size: 0, Negative unconditional cache size: 98, Independence queries for same thread: 1586 - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-06 18:34:14,087 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...