/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 21:08:31,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 21:08:31,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 21:08:31,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 21:08:31,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 21:08:31,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 21:08:31,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 21:08:31,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-22 21:08:31,227 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 21:08:31,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 21:08:31,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 21:08:31,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 21:08:31,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 21:08:31,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 21:08:31,229 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 21:08:31,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 21:08:31,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 21:08:31,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 21:08:31,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 21:08:31,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 21:08:31,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 21:08:31,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 21:08:31,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 21:08:31,231 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 21:08:31,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 21:08:31,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 21:08:31,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 21:08:31,233 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 21:08:31,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 21:08:31,234 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 21:08:31,234 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 21:08:31,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 21:08:31,234 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-22 21:08:31,234 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 21:08:31,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 21:08:31,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 21:08:31,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 21:08:31,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 21:08:31,435 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 21:08:31,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2021-10-22 21:08:31,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4945d794/a0748503a1194659ac30a50b6337ec14/FLAG862c34288 [2021-10-22 21:08:32,010 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 21:08:32,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2021-10-22 21:08:32,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4945d794/a0748503a1194659ac30a50b6337ec14/FLAG862c34288 [2021-10-22 21:08:32,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4945d794/a0748503a1194659ac30a50b6337ec14 [2021-10-22 21:08:32,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 21:08:32,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 21:08:32,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 21:08:32,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 21:08:32,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 21:08:32,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:08:32" (1/1) ... [2021-10-22 21:08:32,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7335bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:32, skipping insertion in model container [2021-10-22 21:08:32,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:08:32" (1/1) ... [2021-10-22 21:08:32,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 21:08:32,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 21:08:32,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[46775,46788] [2021-10-22 21:08:32,938 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:32,938 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:32,939 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:32,939 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:32,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 21:08:32,991 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 21:08:33,031 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_90-arrayloop2_racing.i[46775,46788] [2021-10-22 21:08:33,034 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:33,035 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:33,035 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:33,035 WARN L1507 CHandler]: Possible shadowing of function new [2021-10-22 21:08:33,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 21:08:33,101 INFO L208 MainTranslator]: Completed translation [2021-10-22 21:08:33,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33 WrapperNode [2021-10-22 21:08:33,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 21:08:33,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 21:08:33,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 21:08:33,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 21:08:33,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 21:08:33,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 21:08:33,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 21:08:33,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 21:08:33,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 21:08:33,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 21:08:33,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 21:08:33,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 21:08:33,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (1/1) ... [2021-10-22 21:08:33,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 21:08:33,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:33,232 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) [2021-10-22 21:08:33,250 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 [2021-10-22 21:08:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 21:08:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-22 21:08:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2021-10-22 21:08:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2021-10-22 21:08:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 21:08:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-22 21:08:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2021-10-22 21:08:33,277 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2021-10-22 21:08:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 21:08:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-22 21:08:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-22 21:08:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-22 21:08:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 21:08:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 21:08:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 21:08:33,280 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 21:08:33,792 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 21:08:33,792 INFO L299 CfgBuilder]: Removed 50 assume(true) statements. [2021-10-22 21:08:33,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:08:33 BoogieIcfgContainer [2021-10-22 21:08:33,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 21:08:33,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 21:08:33,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 21:08:33,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 21:08:33,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:08:32" (1/3) ... [2021-10-22 21:08:33,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b612e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:08:33, skipping insertion in model container [2021-10-22 21:08:33,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:08:33" (2/3) ... [2021-10-22 21:08:33,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b612e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:08:33, skipping insertion in model container [2021-10-22 21:08:33,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:08:33" (3/3) ... [2021-10-22 21:08:33,800 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2021-10-22 21:08:33,804 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 21:08:33,805 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 21:08:33,805 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-22 21:08:33,805 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 21:08:33,842 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,843 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,844 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,845 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,846 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,847 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,848 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,849 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,850 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,851 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,852 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,853 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,854 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,855 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,856 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,857 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,858 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,859 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,860 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,860 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,860 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,860 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,860 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,860 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,861 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,862 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,863 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,864 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,865 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,866 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,867 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,868 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,869 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,870 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,870 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,871 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,872 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,873 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,874 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,875 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,876 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,877 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,878 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,879 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,880 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,881 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,882 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,883 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,884 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,885 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,886 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,887 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,887 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,887 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,887 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,887 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,887 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,888 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,889 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,890 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,891 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,892 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,893 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,912 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,913 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,914 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,915 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,916 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,916 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,916 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,916 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,917 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,918 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,920 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,920 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~j~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,921 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~pos~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,922 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem33.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,923 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~q~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,924 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,924 WARN L313 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,924 WARN L313 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~mem23.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,926 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,927 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,928 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,929 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,930 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,930 WARN L313 ript$VariableManager]: TermVariabe t1_funThread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,930 WARN L313 ript$VariableManager]: TermVariabe |t1_funThread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 21:08:33,935 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-22 21:08:33,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 21:08:33,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:34,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 21:08:34,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 21:08:34,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2_funThread1of1ForFork0 ======== [2021-10-22 21:08:34,039 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=PARTIAL_ORDER_FA, 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 [2021-10-22 21:08:34,040 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 21:08:34,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:34,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:34,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1683855648, now seen corresponding path program 1 times [2021-10-22 21:08:34,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:34,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984407940] [2021-10-22 21:08:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:34,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-22 21:08:34,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:34,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984407940] [2021-10-22 21:08:34,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984407940] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:34,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:34,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 21:08:34,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321699629] [2021-10-22 21:08:34,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 21:08:34,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:34,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 21:08:34,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 21:08:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,581 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:34,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-10-22 21:08:34,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 21:08:34,598 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:34,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:34,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1305093134, now seen corresponding path program 1 times [2021-10-22 21:08:34,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:34,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568622441] [2021-10-22 21:08:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:34,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:08:34,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:34,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568622441] [2021-10-22 21:08:34,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568622441] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:34,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:34,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:08:34,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122046431] [2021-10-22 21:08:34,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:08:34,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:34,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:08:34,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:08:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:34,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 21:08:34,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:34,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 21:08:34,721 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:34,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:34,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1330556130, now seen corresponding path program 1 times [2021-10-22 21:08:34,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:34,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771931687] [2021-10-22 21:08:34,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:34,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 21:08:34,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:34,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771931687] [2021-10-22 21:08:34,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771931687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:34,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:34,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:08:34,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796590319] [2021-10-22 21:08:34,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:08:34,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:34,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:08:34,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:08:34,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:34,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-10-22 21:08:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:34,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:34,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 21:08:34,840 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:34,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:34,840 INFO L82 PathProgramCache]: Analyzing trace with hash -122853060, now seen corresponding path program 1 times [2021-10-22 21:08:34,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:34,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897487580] [2021-10-22 21:08:34,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:34,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:34,857 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:34,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929712707] [2021-10-22 21:08:34,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:34,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:34,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:34,859 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) [2021-10-22 21:08:34,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 21:08:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:34,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-22 21:08:34,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-22 21:08:35,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:35,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897487580] [2021-10-22 21:08:35,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:35,302 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929712707] [2021-10-22 21:08:35,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929712707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:35,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:35,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:08:35,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389086531] [2021-10-22 21:08:35,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:08:35,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:35,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:08:35,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:08:35,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:35,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:35,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2021-10-22 21:08:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:35,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:35,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:35,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-22 21:08:35,586 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,SelfDestructingSolverStorable3 [2021-10-22 21:08:35,587 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:35,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:35,587 INFO L82 PathProgramCache]: Analyzing trace with hash -367337458, now seen corresponding path program 1 times [2021-10-22 21:08:35,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:35,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859551694] [2021-10-22 21:08:35,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:35,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:35,602 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:35,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008918185] [2021-10-22 21:08:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:35,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:35,604 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) [2021-10-22 21:08:35,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 21:08:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:35,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 21:08:35,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:36,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 21:08:36,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:36,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859551694] [2021-10-22 21:08:36,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:36,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008918185] [2021-10-22 21:08:36,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008918185] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:36,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:36,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-22 21:08:36,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48575762] [2021-10-22 21:08:36,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 21:08:36,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:36,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 21:08:36,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 21:08:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:36,229 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:36,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2021-10-22 21:08:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:36,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:36,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:36,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-22 21:08:36,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:36,504 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:36,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:36,504 INFO L82 PathProgramCache]: Analyzing trace with hash 330916016, now seen corresponding path program 2 times [2021-10-22 21:08:36,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:36,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979511499] [2021-10-22 21:08:36,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:36,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:36,518 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:36,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183897772] [2021-10-22 21:08:36,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 21:08:36,519 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:36,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:36,520 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) [2021-10-22 21:08:36,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 21:08:36,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 21:08:36,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:36,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 21:08:36,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:37,291 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 21:08:37,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:37,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979511499] [2021-10-22 21:08:37,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:37,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183897772] [2021-10-22 21:08:37,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183897772] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:37,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:37,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-22 21:08:37,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995291683] [2021-10-22 21:08:37,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 21:08:37,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:37,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 21:08:37,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 21:08:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:37,294 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:37,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 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) [2021-10-22 21:08:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:37,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:37,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:37,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:37,572 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:37,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:37,572 INFO L82 PathProgramCache]: Analyzing trace with hash -2066527282, now seen corresponding path program 3 times [2021-10-22 21:08:37,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:37,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886607883] [2021-10-22 21:08:37,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:37,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:37,587 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:37,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352247232] [2021-10-22 21:08:37,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 21:08:37,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:37,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:37,589 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) [2021-10-22 21:08:37,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 21:08:37,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-22 21:08:37,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:37,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 21:08:37,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-10-22 21:08:38,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:38,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886607883] [2021-10-22 21:08:38,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:38,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352247232] [2021-10-22 21:08:38,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352247232] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:38,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:38,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-22 21:08:38,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895424966] [2021-10-22 21:08:38,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 21:08:38,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:38,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 21:08:38,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 21:08:38,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:38,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:38,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 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) [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:43,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 21:08:43,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-22 21:08:44,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:44,121 INFO L308 ceAbstractionStarter]: Result for error location t2_funThread1of1ForFork0 was SAFE (1/3) [2021-10-22 21:08:44,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 21:08:44,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:44,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 21:08:44,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2021-10-22 21:08:44,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1_funThread1of1ForFork1 ======== [2021-10-22 21:08:44,132 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=PARTIAL_ORDER_FA, 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 [2021-10-22 21:08:44,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 21:08:44,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:44,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:44,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1866851496, now seen corresponding path program 1 times [2021-10-22 21:08:44,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:44,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895106365] [2021-10-22 21:08:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:44,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 21:08:44,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:44,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895106365] [2021-10-22 21:08:44,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895106365] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:44,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:44,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 21:08:44,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270511317] [2021-10-22 21:08:44,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 21:08:44,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:44,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 21:08:44,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 21:08:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:44,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 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) [2021-10-22 21:08:44,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 21:08:44,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:44,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:44,229 INFO L82 PathProgramCache]: Analyzing trace with hash 508812822, now seen corresponding path program 1 times [2021-10-22 21:08:44,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:44,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604691976] [2021-10-22 21:08:44,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:44,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 21:08:44,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:44,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604691976] [2021-10-22 21:08:44,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604691976] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:44,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:44,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:08:44,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226196670] [2021-10-22 21:08:44,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:08:44,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:08:44,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:08:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:44,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-10-22 21:08:44,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:44,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-22 21:08:44,280 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:44,280 INFO L82 PathProgramCache]: Analyzing trace with hash 401518854, now seen corresponding path program 1 times [2021-10-22 21:08:44,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:44,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421585273] [2021-10-22 21:08:44,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:44,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 21:08:44,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:44,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421585273] [2021-10-22 21:08:44,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421585273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:44,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:44,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:08:44,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820810011] [2021-10-22 21:08:44,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:08:44,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:44,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:08:44,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:08:44,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:44,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2021-10-22 21:08:44,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:44,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:44,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-22 21:08:44,326 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:44,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:44,327 INFO L82 PathProgramCache]: Analyzing trace with hash -637936984, now seen corresponding path program 1 times [2021-10-22 21:08:44,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:44,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145578345] [2021-10-22 21:08:44,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:44,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:44,337 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:44,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [54080347] [2021-10-22 21:08:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:44,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:44,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:44,338 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) [2021-10-22 21:08:44,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 21:08:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:44,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-22 21:08:44,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:45,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 21:08:45,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:45,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145578345] [2021-10-22 21:08:45,029 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:45,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54080347] [2021-10-22 21:08:45,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54080347] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 21:08:45,029 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 21:08:45,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 21:08:45,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709455546] [2021-10-22 21:08:45,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 21:08:45,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:45,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 21:08:45,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 21:08:45,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:45,030 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:45,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2021-10-22 21:08:45,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:45,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:45,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:45,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:47,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-22 21:08:47,543 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 [2021-10-22 21:08:47,544 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:47,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:47,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1513405914, now seen corresponding path program 1 times [2021-10-22 21:08:47,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:47,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224653383] [2021-10-22 21:08:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:47,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:47,556 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:47,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840879593] [2021-10-22 21:08:47,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:47,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:47,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:47,557 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) [2021-10-22 21:08:47,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 21:08:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:47,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 21:08:47,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-22 21:08:48,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:48,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224653383] [2021-10-22 21:08:48,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:48,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840879593] [2021-10-22 21:08:48,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840879593] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:48,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:48,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-22 21:08:48,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666341081] [2021-10-22 21:08:48,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 21:08:48,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 21:08:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 21:08:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:48,412 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:48,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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) [2021-10-22 21:08:48,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:48,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:48,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:48,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:48,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:48,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:48,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:48,675 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 [2021-10-22 21:08:48,676 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:48,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:48,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1366794300, now seen corresponding path program 2 times [2021-10-22 21:08:48,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:48,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301237237] [2021-10-22 21:08:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:48,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:48,689 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:48,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19901033] [2021-10-22 21:08:48,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 21:08:48,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:48,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:48,691 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) [2021-10-22 21:08:48,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-22 21:08:49,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 21:08:49,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:49,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 21:08:49,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-22 21:08:49,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:49,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301237237] [2021-10-22 21:08:49,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:49,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19901033] [2021-10-22 21:08:49,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19901033] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:49,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:49,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-22 21:08:49,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989428153] [2021-10-22 21:08:49,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 21:08:49,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:49,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 21:08:49,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 21:08:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:49,716 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:49,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 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) [2021-10-22 21:08:49,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:49,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:49,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:49,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:49,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:49,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:49,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:49,995 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 [2021-10-22 21:08:49,995 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:49,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:49,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1395592806, now seen corresponding path program 3 times [2021-10-22 21:08:49,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:49,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210118550] [2021-10-22 21:08:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:49,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:50,009 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:50,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419751756] [2021-10-22 21:08:50,009 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 21:08:50,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:50,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:50,013 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) [2021-10-22 21:08:50,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-22 21:08:50,488 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-22 21:08:50,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:50,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 21:08:50,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-22 21:08:51,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:51,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210118550] [2021-10-22 21:08:51,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:51,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419751756] [2021-10-22 21:08:51,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419751756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:51,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:51,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-22 21:08:51,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162594352] [2021-10-22 21:08:51,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 21:08:51,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:51,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 21:08:51,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 21:08:51,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:51,064 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:51,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 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) [2021-10-22 21:08:51,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:51,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:51,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:51,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:51,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:51,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:51,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:51,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:51,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:51,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:51,329 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 [2021-10-22 21:08:51,330 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:51,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:51,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1406851592, now seen corresponding path program 1 times [2021-10-22 21:08:51,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:51,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717405326] [2021-10-22 21:08:51,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:51,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:51,343 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:51,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526649368] [2021-10-22 21:08:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:51,344 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:51,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:51,351 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:08:51,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-22 21:08:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 21:08:51,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-22 21:08:51,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 96 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-22 21:08:52,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:52,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717405326] [2021-10-22 21:08:52,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:52,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526649368] [2021-10-22 21:08:52,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526649368] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:52,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:52,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-10-22 21:08:52,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119206711] [2021-10-22 21:08:52,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-22 21:08:52,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:52,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-22 21:08:52,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-22 21:08:52,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:52,403 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:52,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 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) [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:52,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:52,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:52,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:52,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-22 21:08:52,707 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:52,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:52,708 INFO L82 PathProgramCache]: Analyzing trace with hash 770774294, now seen corresponding path program 2 times [2021-10-22 21:08:52,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:52,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706037019] [2021-10-22 21:08:52,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:52,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:52,732 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:52,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065061260] [2021-10-22 21:08:52,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 21:08:52,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:52,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:52,738 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:08:52,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-22 21:08:53,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 21:08:53,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:53,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-22 21:08:53,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-22 21:08:53,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:53,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706037019] [2021-10-22 21:08:53,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:53,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065061260] [2021-10-22 21:08:54,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065061260] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:54,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:54,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-10-22 21:08:54,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316591112] [2021-10-22 21:08:54,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-22 21:08:54,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-22 21:08:54,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-22 21:08:54,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:54,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:54,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.272727272727273) internal successors, (201), 11 states have internal predecessors, (201), 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) [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:54,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:54,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:54,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 21:08:54,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:54,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-22 21:08:54,362 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:54,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:54,362 INFO L82 PathProgramCache]: Analyzing trace with hash 873382456, now seen corresponding path program 3 times [2021-10-22 21:08:54,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:54,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563270344] [2021-10-22 21:08:54,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:54,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:54,377 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:54,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [760467986] [2021-10-22 21:08:54,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 21:08:54,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:54,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:54,378 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:08:54,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-22 21:08:55,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-22 21:08:55,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:55,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-22 21:08:55,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-10-22 21:08:55,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:55,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563270344] [2021-10-22 21:08:55,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:55,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760467986] [2021-10-22 21:08:55,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760467986] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:55,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:55,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-22 21:08:55,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546464485] [2021-10-22 21:08:55,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-22 21:08:55,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:55,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-22 21:08:55,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-22 21:08:55,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:55,732 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:55,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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) [2021-10-22 21:08:55,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:55,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:55,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:55,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:55,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:55,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:55,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:55,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:55,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 21:08:55,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 21:08:55,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:55,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:56,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-22 21:08:56,028 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:56,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:56,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1730179482, now seen corresponding path program 4 times [2021-10-22 21:08:56,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:56,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250737214] [2021-10-22 21:08:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:56,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:56,047 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:56,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604263692] [2021-10-22 21:08:56,047 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-22 21:08:56,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:56,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:56,048 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:08:56,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-22 21:08:56,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-22 21:08:56,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 21:08:56,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-22 21:08:56,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 21:08:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 799 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2021-10-22 21:08:58,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 21:08:58,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250737214] [2021-10-22 21:08:58,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 21:08:58,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604263692] [2021-10-22 21:08:58,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604263692] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 21:08:58,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 21:08:58,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-10-22 21:08:58,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314986212] [2021-10-22 21:08:58,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 21:08:58,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 21:08:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 21:08:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-22 21:08:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:58,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 21:08:58,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:58,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 21:08:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 21:08:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 21:08:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 21:08:58,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-22 21:08:58,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:58,403 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-22 21:08:58,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 21:08:58,404 INFO L82 PathProgramCache]: Analyzing trace with hash -988845448, now seen corresponding path program 5 times [2021-10-22 21:08:58,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 21:08:58,404 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92942002] [2021-10-22 21:08:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 21:08:58,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 21:08:58,420 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 21:08:58,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450408784] [2021-10-22 21:08:58,420 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-22 21:08:58,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 21:08:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:08:58,422 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 21:08:58,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process Received shutdown request... [2021-10-22 21:23:13,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:23:13,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:23:13,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:23:13,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:23:14,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2021-10-22 21:23:14,411 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 [2021-10-22 21:23:14,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-22 21:23:14,526 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forcibly destroying the process [2021-10-22 21:23:14,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 137 [2021-10-22 21:23:14,552 ERROR L247 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2021-10-22 21:23:14,553 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t1_funErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 21:23:14,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-22 21:23:14,553 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 571 with TraceHistMax 15,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2021-10-22 21:23:14,554 INFO L308 ceAbstractionStarter]: Result for error location t1_funThread1of1ForFork1 was TIMEOUT (2/3) [2021-10-22 21:23:14,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 21:23:14,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 21:23:14,556 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 21:23:14,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2021-10-22 21:23:14,556 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 21:23:14,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 21:23:14,562 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=PARTIAL_ORDER_FA, 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 [2021-10-22 21:23:14,562 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-22 21:23:14,562 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2021-10-22 21:23:14,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 21:23:14,562 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 21:23:14,563 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT,TIMEOUT (3/3) [2021-10-22 21:23:14,563 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 21:23:14,563 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 21:23:14,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:23:14 BasicIcfg [2021-10-22 21:23:14,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 21:23:14,566 INFO L168 Benchmark]: Toolchain (without parser) took 882046.14 ms. Allocated memory was 191.9 MB in the beginning and 393.2 MB in the end (delta: 201.3 MB). Free memory was 132.9 MB in the beginning and 163.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 172.0 MB. Max. memory is 8.0 GB. [2021-10-22 21:23:14,567 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 191.9 MB. Free memory is still 151.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 21:23:14,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.23 ms. Allocated memory was 191.9 MB in the beginning and 255.9 MB in the end (delta: 64.0 MB). Free memory was 132.7 MB in the beginning and 206.4 MB in the end (delta: -73.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-10-22 21:23:14,567 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.37 ms. Allocated memory is still 255.9 MB. Free memory was 206.4 MB in the beginning and 203.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-22 21:23:14,567 INFO L168 Benchmark]: Boogie Preprocessor took 35.35 ms. Allocated memory is still 255.9 MB. Free memory was 203.2 MB in the beginning and 200.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-22 21:23:14,568 INFO L168 Benchmark]: RCFGBuilder took 604.57 ms. Allocated memory is still 255.9 MB. Free memory was 200.6 MB in the beginning and 144.0 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. [2021-10-22 21:23:14,568 INFO L168 Benchmark]: TraceAbstraction took 880769.91 ms. Allocated memory was 255.9 MB in the beginning and 393.2 MB in the end (delta: 137.4 MB). Free memory was 143.5 MB in the beginning and 163.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 119.0 MB. Max. memory is 8.0 GB. [2021-10-22 21:23:14,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 191.9 MB. Free memory is still 151.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 577.23 ms. Allocated memory was 191.9 MB in the beginning and 255.9 MB in the end (delta: 64.0 MB). Free memory was 132.7 MB in the beginning and 206.4 MB in the end (delta: -73.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.37 ms. Allocated memory is still 255.9 MB. Free memory was 206.4 MB in the beginning and 203.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.35 ms. Allocated memory is still 255.9 MB. Free memory was 203.2 MB in the beginning and 200.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 604.57 ms. Allocated memory is still 255.9 MB. Free memory was 200.6 MB in the beginning and 144.0 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 880769.91 ms. Allocated memory was 255.9 MB in the beginning and 393.2 MB in the end (delta: 137.4 MB). Free memory was 143.5 MB in the beginning and 163.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 119.0 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: 30678, positive: 30058, positive conditional: 2152, positive unconditional: 27906, negative: 620, negative conditional: 534, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30155, positive: 30058, positive conditional: 0, positive unconditional: 30058, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23701, positive: 23615, positive conditional: 0, positive unconditional: 23615, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23701, positive: 23582, positive conditional: 0, positive unconditional: 23582, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 119, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5449, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 334, negative conditional: 0, negative unconditional: 334, unknown: 5019, unknown conditional: 0, unknown unconditional: 5019] ], Cache Queries: [ total: 30155, positive: 6443, positive conditional: 0, positive unconditional: 6443, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 23701, unknown conditional: 0, unknown unconditional: 23701] , Statistics on independence cache: Total cache size (in pairs): 23701, Positive cache size: 23615, Positive conditional cache size: 0, Positive unconditional cache size: 23615, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86, Independence queries for same thread: 523 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 5629, Number of persistent set computation: 926, Number of trivial persistent sets: 845, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30678, positive: 30058, positive conditional: 2152, positive unconditional: 27906, negative: 620, negative conditional: 534, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30155, positive: 30058, positive conditional: 0, positive unconditional: 30058, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23701, positive: 23615, positive conditional: 0, positive unconditional: 23615, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23701, positive: 23582, positive conditional: 0, positive unconditional: 23582, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 119, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5449, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 334, negative conditional: 0, negative unconditional: 334, unknown: 5019, unknown conditional: 0, unknown unconditional: 5019] ], Cache Queries: [ total: 30155, positive: 6443, positive conditional: 0, positive unconditional: 6443, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 23701, unknown conditional: 0, unknown unconditional: 23701] , Statistics on independence cache: Total cache size (in pairs): 23701, Positive cache size: 23615, Positive conditional cache size: 0, Positive unconditional cache size: 23615, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86, Independence queries for same thread: 523 - 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: 16621, positive: 15866, positive conditional: 746, positive unconditional: 15120, negative: 755, negative conditional: 735, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15889, positive: 15866, positive conditional: 0, positive unconditional: 15866, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12709, positive: 12689, positive conditional: 0, positive unconditional: 12689, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12709, positive: 12687, positive conditional: 0, positive unconditional: 12687, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2291, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 2159, unknown conditional: 0, unknown unconditional: 2159] ], Cache Queries: [ total: 15889, positive: 3177, positive conditional: 0, positive unconditional: 3177, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 12709, unknown conditional: 0, unknown unconditional: 12709] , Statistics on independence cache: Total cache size (in pairs): 12709, Positive cache size: 12689, Positive conditional cache size: 0, Positive unconditional cache size: 12689, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 732 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 2335, Number of persistent set computation: 365, Number of trivial persistent sets: 304, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16621, positive: 15866, positive conditional: 746, positive unconditional: 15120, negative: 755, negative conditional: 735, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15889, positive: 15866, positive conditional: 0, positive unconditional: 15866, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12709, positive: 12689, positive conditional: 0, positive unconditional: 12689, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12709, positive: 12687, positive conditional: 0, positive unconditional: 12687, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2291, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 2159, unknown conditional: 0, unknown unconditional: 2159] ], Cache Queries: [ total: 15889, positive: 3177, positive conditional: 0, positive unconditional: 3177, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 12709, unknown conditional: 0, unknown unconditional: 12709] , Statistics on independence cache: Total cache size (in pairs): 12709, Positive cache size: 12689, Positive conditional cache size: 0, Positive unconditional cache size: 12689, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 732 - 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 0, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 992]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 571 with TraceHistMax 15,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - TimeoutResultAtElement [Line: 1075]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - TimeoutResultAtElement [Line: 1075]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2_funThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 389 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 10131.1ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.4ms, PartialOrderReductionTime: 6067.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 128.1ms SsaConstructionTime, 247.5ms SatisfiabilityAnalysisTime, 1966.4ms InterpolantComputationTime, 808 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1025 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1216 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 121/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1_funThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 389 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 870430.8ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.4ms, PartialOrderReductionTime: 2971.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 311.5ms SsaConstructionTime, 471.5ms SatisfiabilityAnalysisTime, 4788.7ms InterpolantComputationTime, 1986 NumberOfCodeBlocks, 1702 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1975 ConstructedInterpolants, 0 QuantifiedInterpolants, 3643 SizeOfPredicates, 28 NumberOfNonLiveVariables, 3635 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1099/2220 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 389 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown