/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/13_unverif.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 02:25:28,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 02:25:28,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 02:25:28,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 02:25:28,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 02:25:28,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 02:25:28,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 02:25:28,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 02:25:28,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 02:25:28,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 02:25:28,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 02:25:28,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 02:25:28,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 02:25:28,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 02:25:28,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 02:25:28,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 02:25:28,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 02:25:28,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 02:25:28,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 02:25:28,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 02:25:28,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 02:25:28,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 02:25:28,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 02:25:28,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 02:25:28,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 02:25:28,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 02:25:28,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 02:25:28,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 02:25:28,185 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-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 02:25:28,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 02:25:28,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 02:25:28,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 02:25:28,218 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 02:25:28,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 02:25:28,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 02:25:28,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 02:25:28,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 02:25:28,220 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 02:25:28,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 02:25:28,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 02:25:28,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 02:25:28,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 02:25:28,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 02:25:28,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 02:25:28,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 02:25:28,222 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:25:28,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 02:25:28,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 02:25:28,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 02:25:28,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 02:25:28,225 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 02:25:28,225 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 02:25:28,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 02:25:28,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 02:25:28,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 02:25:28,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 02:25:28,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 02:25:28,422 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 02:25:28,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/13_unverif.i [2022-02-11 02:25:28,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de5c385c/cf62d12e3c0e4c9482fd850bdca0db2d/FLAG9b3069f9d [2022-02-11 02:25:28,864 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 02:25:28,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/13_unverif.i [2022-02-11 02:25:28,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de5c385c/cf62d12e3c0e4c9482fd850bdca0db2d/FLAG9b3069f9d [2022-02-11 02:25:28,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7de5c385c/cf62d12e3c0e4c9482fd850bdca0db2d [2022-02-11 02:25:28,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 02:25:28,884 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 02:25:28,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 02:25:28,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 02:25:28,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 02:25:28,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:25:28" (1/1) ... [2022-02-11 02:25:28,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da23787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:28, skipping insertion in model container [2022-02-11 02:25:28,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 02:25:28" (1/1) ... [2022-02-11 02:25:28,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 02:25:28,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 02:25:29,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/13_unverif.i[30213,30226] [2022-02-11 02:25:29,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:25:29,183 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 02:25:29,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/13_unverif.i[30213,30226] [2022-02-11 02:25:29,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 02:25:29,249 INFO L208 MainTranslator]: Completed translation [2022-02-11 02:25:29,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29 WrapperNode [2022-02-11 02:25:29,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 02:25:29,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 02:25:29,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 02:25:29,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 02:25:29,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,293 INFO L137 Inliner]: procedures = 168, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2022-02-11 02:25:29,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 02:25:29,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 02:25:29,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 02:25:29,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 02:25:29,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 02:25:29,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 02:25:29,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 02:25:29,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 02:25:29,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (1/1) ... [2022-02-11 02:25:29,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 02:25:29,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:29,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:29,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 02:25:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-02-11 02:25:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-02-11 02:25:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 02:25:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 02:25:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 02:25:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 02:25:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 02:25:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 02:25:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 02:25:29,393 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 02:25:29,492 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 02:25:29,494 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 02:25:29,596 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 02:25:29,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 02:25:29,617 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-11 02:25:29,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:25:29 BoogieIcfgContainer [2022-02-11 02:25:29,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 02:25:29,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 02:25:29,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 02:25:29,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 02:25:29,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 02:25:28" (1/3) ... [2022-02-11 02:25:29,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3a7091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:25:29, skipping insertion in model container [2022-02-11 02:25:29,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 02:25:29" (2/3) ... [2022-02-11 02:25:29,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3a7091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 02:25:29, skipping insertion in model container [2022-02-11 02:25:29,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 02:25:29" (3/3) ... [2022-02-11 02:25:29,628 INFO L112 eAbstractionObserver]: Analyzing ICFG 13_unverif.i [2022-02-11 02:25:29,631 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 02:25:29,631 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 02:25:29,631 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 02:25:29,632 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 02:25:29,668 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,668 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,668 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,668 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,669 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,670 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,670 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,670 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,671 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,672 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,672 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,672 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,675 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:29,676 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:25:29,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:29,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:29,712 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) [2022-02-11 02:25:29,713 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 [2022-02-11 02:25:29,736 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-02-11 02:25:29,740 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:29,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:29,871 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:29,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1080729769, now seen corresponding path program 1 times [2022-02-11 02:25:29,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:29,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378556328] [2022-02-11 02:25:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:29,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:25:30,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:30,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378556328] [2022-02-11 02:25:30,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378556328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:30,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:25:30,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 02:25:30,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008235292] [2022-02-11 02:25:30,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:30,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 02:25:30,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 02:25:30,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 02:25:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:30,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:30,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:30,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:30,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:30,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 02:25:30,330 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash -944815588, now seen corresponding path program 1 times [2022-02-11 02:25:30,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:30,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419758070] [2022-02-11 02:25:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:30,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:25:30,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:30,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419758070] [2022-02-11 02:25:30,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419758070] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:30,490 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:25:30,490 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 02:25:30,490 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984037494] [2022-02-11 02:25:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:30,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 02:25:30,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:30,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 02:25:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 02:25:30,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:30,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:30,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:30,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:30,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:30,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:25:30,554 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:25:30,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 02:25:30,560 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:25:30,561 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2022-02-11 02:25:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:30,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:30,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:30,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-02-11 02:25:30,623 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:25:30,624 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:30,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:30,670 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:25:30,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:30,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1709671825, now seen corresponding path program 1 times [2022-02-11 02:25:30,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:30,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297486969] [2022-02-11 02:25:30,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:30,689 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 02:25:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:30,716 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 02:25:30,716 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 02:25:30,717 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-02-11 02:25:30,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 02:25:30,719 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-11 02:25:30,719 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2022-02-11 02:25:30,720 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-11 02:25:30,720 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-11 02:25:30,726 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,726 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,726 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,726 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,727 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,728 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,728 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,728 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,728 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,728 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,728 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,729 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,730 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,731 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,732 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,733 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,733 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,733 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,733 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,734 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,735 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,736 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:25:30,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:30,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:30,741 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:30,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-02-11 02:25:30,747 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:25:30,748 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:30,748 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:30,802 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:25:30,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:30,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1316932227, now seen corresponding path program 1 times [2022-02-11 02:25:30,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:30,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585235709] [2022-02-11 02:25:30,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:30,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:30,821 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 02:25:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:30,845 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 02:25:30,845 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 02:25:30,845 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-02-11 02:25:30,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 02:25:30,847 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-11 02:25:30,847 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2022-02-11 02:25:30,847 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-11 02:25:30,847 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-11 02:25:30,870 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,871 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,871 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,871 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,871 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,871 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,872 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,873 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,873 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,873 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,873 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,873 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,873 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,874 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,874 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,874 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,874 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,874 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,874 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,875 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,876 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,877 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,878 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,878 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,878 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,878 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,878 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,879 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,880 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,881 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,882 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,882 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,882 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,882 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,882 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,883 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,883 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,890 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,891 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,891 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,892 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,892 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,893 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,893 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,893 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,895 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,895 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,895 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,895 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,896 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,896 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,896 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:30,896 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:25:30,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:30,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:30,913 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:30,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-02-11 02:25:30,917 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2022-02-11 02:25:30,917 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:30,917 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:31,100 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:31,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash 687452564, now seen corresponding path program 1 times [2022-02-11 02:25:31,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:31,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446038010] [2022-02-11 02:25:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:31,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:31,232 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:31,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446038010] [2022-02-11 02:25:31,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446038010] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:31,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105043267] [2022-02-11 02:25:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:31,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:31,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:31,236 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) [2022-02-11 02:25:31,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 02:25:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:31,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 02:25:31,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:31,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:31,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105043267] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:31,835 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:25:31,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2022-02-11 02:25:31,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820214452] [2022-02-11 02:25:31,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:31,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:25:31,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:25:31,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:25:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:31,838 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:31,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:31,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:32,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:32,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:32,264 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:32,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:32,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1620737098, now seen corresponding path program 1 times [2022-02-11 02:25:32,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:32,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055475588] [2022-02-11 02:25:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:32,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:32,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:32,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055475588] [2022-02-11 02:25:32,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055475588] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:32,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521458322] [2022-02-11 02:25:32,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:32,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:32,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:32,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:25:32,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 02:25:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:32,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-11 02:25:32,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:32,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:32,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521458322] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:25:32,941 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:25:32,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 20 [2022-02-11 02:25:32,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027819357] [2022-02-11 02:25:32,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:25:32,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-11 02:25:32,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:32,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-11 02:25:32,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-02-11 02:25:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:32,946 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:32,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.7) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:32,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:32,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:33,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:33,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 02:25:33,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:25:34,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:34,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:34,205 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:25:34,205 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was SAFE (1/4) [2022-02-11 02:25:34,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:34,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:34,208 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:34,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-02-11 02:25:34,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:25:34,211 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:34,211 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:34,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:25:34,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:34,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1387387467, now seen corresponding path program 1 times [2022-02-11 02:25:34,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:34,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703815168] [2022-02-11 02:25:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:34,258 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 02:25:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:34,272 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 02:25:34,272 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 02:25:34,272 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-02-11 02:25:34,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-11 02:25:34,273 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-11 02:25:34,274 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/4) [2022-02-11 02:25:34,274 WARN L239 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-11 02:25:34,274 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-02-11 02:25:34,283 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,283 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,283 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,283 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,283 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,283 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,284 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,284 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,284 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,284 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,284 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,285 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,286 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,287 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,287 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,288 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,289 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,289 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,289 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,289 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,290 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,290 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,291 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,295 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,295 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,295 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,296 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,297 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,298 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,299 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,300 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,300 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,300 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,300 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,303 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,303 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,303 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,303 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,303 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,304 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,305 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,306 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,307 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,308 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,308 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,308 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,309 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,309 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,309 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,309 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,309 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:34,309 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:25:34,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:34,312 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:34,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-02-11 02:25:34,315 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of4ForFork0 ======== [2022-02-11 02:25:34,315 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:34,315 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:34,432 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:34,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:34,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2129589246, now seen corresponding path program 1 times [2022-02-11 02:25:34,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:34,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213252030] [2022-02-11 02:25:34,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:34,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:34,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213252030] [2022-02-11 02:25:34,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213252030] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:34,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885316255] [2022-02-11 02:25:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:34,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:34,505 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) [2022-02-11 02:25:34,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 02:25:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:34,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 02:25:34,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:34,782 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:35,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885316255] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:35,012 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:25:35,012 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2022-02-11 02:25:35,012 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259659443] [2022-02-11 02:25:35,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:35,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:25:35,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:35,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:25:35,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:25:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:35,014 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:35,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:35,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:35,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:35,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:35,390 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:35,391 INFO L85 PathProgramCache]: Analyzing trace with hash 287087812, now seen corresponding path program 1 times [2022-02-11 02:25:35,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:35,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089984891] [2022-02-11 02:25:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:35,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:35,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:35,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089984891] [2022-02-11 02:25:35,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089984891] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:35,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591535565] [2022-02-11 02:25:35,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:35,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:35,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:35,466 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) [2022-02-11 02:25:35,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-11 02:25:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:35,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-11 02:25:35,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:35,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:35,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591535565] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:25:35,967 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:25:35,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 10, 10] total 20 [2022-02-11 02:25:35,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614240302] [2022-02-11 02:25:35,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:25:35,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-11 02:25:35,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:35,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-11 02:25:35,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-02-11 02:25:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:35,969 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:35,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.7) internal successors, (134), 20 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:35,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:38,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:38,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 02:25:38,981 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:25:39,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-11 02:25:39,182 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,SelfDestructingSolverStorable8 [2022-02-11 02:25:39,184 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:25:39,184 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread3of4ForFork0 was SAFE (1/5) [2022-02-11 02:25:39,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:39,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:39,187 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:39,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2022-02-11 02:25:39,190 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread4of4ForFork0 ======== [2022-02-11 02:25:39,190 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:39,190 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:39,302 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:39,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:39,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1653007598, now seen corresponding path program 1 times [2022-02-11 02:25:39,303 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:39,303 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936316398] [2022-02-11 02:25:39,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 02:25:39,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:39,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936316398] [2022-02-11 02:25:39,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936316398] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:39,357 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766957940] [2022-02-11 02:25:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:39,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:39,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:39,359 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) [2022-02-11 02:25:39,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-11 02:25:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:39,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 02:25:39,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 02:25:39,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-11 02:25:39,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766957940] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:39,798 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:25:39,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2022-02-11 02:25:39,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164561940] [2022-02-11 02:25:39,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:39,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:25:39,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:39,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:25:39,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:25:39,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:39,799 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:39,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:39,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:40,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:25:40,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-11 02:25:40,250 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,SelfDestructingSolverStorable9 [2022-02-11 02:25:40,251 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:40,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:40,251 INFO L85 PathProgramCache]: Analyzing trace with hash 39236611, now seen corresponding path program 1 times [2022-02-11 02:25:40,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:40,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259188655] [2022-02-11 02:25:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:40,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-11 02:25:40,309 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:40,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259188655] [2022-02-11 02:25:40,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259188655] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:40,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104759946] [2022-02-11 02:25:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:40,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:40,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:40,311 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) [2022-02-11 02:25:40,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-11 02:25:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:40,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 02:25:40,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-11 02:25:40,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 02:25:40,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104759946] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:40,531 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 02:25:40,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 10 [2022-02-11 02:25:40,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573831767] [2022-02-11 02:25:40,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:40,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:25:40,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:40,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:25:40,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-11 02:25:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:40,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:40,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:40,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:25:40,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:25:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:40,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:40,800 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,SelfDestructingSolverStorable10 [2022-02-11 02:25:40,801 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:40,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1166986768, now seen corresponding path program 1 times [2022-02-11 02:25:40,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:40,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366369106] [2022-02-11 02:25:40,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:40,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-11 02:25:40,888 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:40,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366369106] [2022-02-11 02:25:40,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366369106] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:40,888 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342388598] [2022-02-11 02:25:40,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:40,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:40,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:40,889 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) [2022-02-11 02:25:40,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-11 02:25:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:40,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-11 02:25:40,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-11 02:25:41,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-02-11 02:25:41,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342388598] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:41,402 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:25:41,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 10] total 15 [2022-02-11 02:25:41,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703801753] [2022-02-11 02:25:41,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:41,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 02:25:41,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:41,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 02:25:41,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-02-11 02:25:41,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:41,403 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:41,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:41,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:25:41,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:41,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:25:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:41,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:41,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:41,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:41,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1031860440, now seen corresponding path program 1 times [2022-02-11 02:25:41,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:41,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50927895] [2022-02-11 02:25:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:41,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 02:25:41,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:41,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50927895] [2022-02-11 02:25:41,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50927895] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:41,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482380219] [2022-02-11 02:25:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:41,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:41,768 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) [2022-02-11 02:25:41,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-11 02:25:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:41,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 02:25:41,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 02:25:42,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-11 02:25:42,152 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482380219] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:25:42,152 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:25:42,152 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-11 02:25:42,152 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056079692] [2022-02-11 02:25:42,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:25:42,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 02:25:42,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 02:25:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-11 02:25:42,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:42,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:42,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 9 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) [2022-02-11 02:25:42,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:25:42,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:42,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:42,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:25:43,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:43,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:43,935 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:43,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:43,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1092111625, now seen corresponding path program 1 times [2022-02-11 02:25:43,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:43,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468907622] [2022-02-11 02:25:43,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:43,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-11 02:25:44,002 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:44,002 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468907622] [2022-02-11 02:25:44,002 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468907622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:44,003 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:25:44,003 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 02:25:44,003 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366337768] [2022-02-11 02:25:44,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:44,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 02:25:44,003 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:44,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 02:25:44,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 02:25:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:44,004 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:44,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:44,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:44,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:44,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:44,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:25:44,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:25:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:44,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-11 02:25:44,056 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:44,056 INFO L85 PathProgramCache]: Analyzing trace with hash -719036952, now seen corresponding path program 1 times [2022-02-11 02:25:44,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:44,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5714789] [2022-02-11 02:25:44,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-11 02:25:44,118 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:44,118 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5714789] [2022-02-11 02:25:44,118 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5714789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:44,118 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:25:44,118 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 02:25:44,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672890493] [2022-02-11 02:25:44,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:44,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 02:25:44,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:44,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 02:25:44,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 02:25:44,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:44,119 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:44,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:25:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:44,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:45,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:45,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:25:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:25:45,467 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:25:45,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-11 02:25:45,470 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-11 02:25:45,471 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread4of4ForFork0 was SAFE (2/5) [2022-02-11 02:25:45,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:45,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:45,474 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) [2022-02-11 02:25:45,475 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 [2022-02-11 02:25:45,477 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of4ForFork0 ======== [2022-02-11 02:25:45,478 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:45,478 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:45,528 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:45,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:45,529 INFO L85 PathProgramCache]: Analyzing trace with hash 894277633, now seen corresponding path program 1 times [2022-02-11 02:25:45,529 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:45,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583090505] [2022-02-11 02:25:45,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:45,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:25:45,595 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:45,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583090505] [2022-02-11 02:25:45,595 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583090505] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:45,595 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:25:45,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 02:25:45,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698560180] [2022-02-11 02:25:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:45,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 02:25:45,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 02:25:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 02:25:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:45,597 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:45,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:45,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:45,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-11 02:25:45,611 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:45,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:45,612 INFO L85 PathProgramCache]: Analyzing trace with hash -256042260, now seen corresponding path program 1 times [2022-02-11 02:25:45,612 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:45,612 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70907116] [2022-02-11 02:25:45,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:25:45,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:45,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70907116] [2022-02-11 02:25:45,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70907116] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:25:45,657 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:25:45,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 02:25:45,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179428857] [2022-02-11 02:25:45,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:45,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 02:25:45,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 02:25:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 02:25:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:45,658 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:45,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:45,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:45,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:25:45,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-11 02:25:45,721 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:45,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 235430934, now seen corresponding path program 1 times [2022-02-11 02:25:45,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:45,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088661436] [2022-02-11 02:25:45,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 02:25:45,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:45,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088661436] [2022-02-11 02:25:45,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088661436] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:45,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575982381] [2022-02-11 02:25:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:45,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:45,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:45,767 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:25:45,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-11 02:25:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:45,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 02:25:45,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 02:25:45,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:46,052 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 02:25:46,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575982381] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:25:46,052 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:25:46,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-11 02:25:46,053 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503432189] [2022-02-11 02:25:46,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:25:46,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 02:25:46,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:46,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 02:25:46,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-11 02:25:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:46,054 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:46,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:25:46,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:25:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:25:48,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:25:48,127 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:25:48,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-02-11 02:25:48,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-11 02:25:48,329 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-11 02:25:48,329 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread1of4ForFork0 was SAFE (3/5) [2022-02-11 02:25:48,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:48,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:48,334 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:48,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (19)] Waiting until timeout for monitored process [2022-02-11 02:25:48,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread2of4ForFork0 ======== [2022-02-11 02:25:48,338 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:48,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:48,417 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:48,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:48,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1780785457, now seen corresponding path program 1 times [2022-02-11 02:25:48,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:48,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546210048] [2022-02-11 02:25:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:48,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:48,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:48,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546210048] [2022-02-11 02:25:48,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546210048] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:48,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994979668] [2022-02-11 02:25:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:48,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:48,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:48,473 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:25:48,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-11 02:25:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:48,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 02:25:48,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:48,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:48,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994979668] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:48,882 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:25:48,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2022-02-11 02:25:48,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427333320] [2022-02-11 02:25:48,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:48,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:25:48,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:48,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:25:48,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:25:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:48,883 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:48,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:48,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:49,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:49,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:49,253 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash 176120473, now seen corresponding path program 1 times [2022-02-11 02:25:49,254 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:49,254 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639808523] [2022-02-11 02:25:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-11 02:25:49,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:49,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639808523] [2022-02-11 02:25:49,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639808523] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:49,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276903825] [2022-02-11 02:25:49,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:49,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:49,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:49,304 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:25:49,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-11 02:25:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:49,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-11 02:25:49,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-11 02:25:49,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-11 02:25:49,963 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276903825] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:25:49,964 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:25:49,964 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 10] total 21 [2022-02-11 02:25:49,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750037035] [2022-02-11 02:25:49,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:25:49,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-11 02:25:49,964 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:49,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-11 02:25:49,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-02-11 02:25:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:49,965 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:49,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.285714285714286) internal successors, (132), 21 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:49,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:49,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:25:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 02:25:52,310 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:25:52,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-02-11 02:25:52,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:52,528 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:25:52,528 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread2of4ForFork0 was SAFE (4/5) [2022-02-11 02:25:52,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:52,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:52,530 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:52,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Waiting until timeout for monitored process [2022-02-11 02:25:52,533 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:25:52,534 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:52,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:52,565 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:25:52,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:52,565 INFO L85 PathProgramCache]: Analyzing trace with hash 399352504, now seen corresponding path program 1 times [2022-02-11 02:25:52,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:52,565 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53671193] [2022-02-11 02:25:52,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:52,576 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 02:25:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:25:52,600 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 02:25:52,600 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 02:25:52,600 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-02-11 02:25:52,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-11 02:25:52,601 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-11 02:25:52,601 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (5/5) [2022-02-11 02:25:52,601 WARN L239 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-11 02:25:52,601 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,611 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,612 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,613 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,614 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,615 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,616 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,617 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,618 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,619 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,620 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,621 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,622 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,623 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,624 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,625 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,625 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,625 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,625 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,625 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:25:52,625 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:25:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:25:52,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:52,628 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:25:52,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (23)] Waiting until timeout for monitored process [2022-02-11 02:25:52,631 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread2of5ForFork0 ======== [2022-02-11 02:25:52,632 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:25:52,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:25:52,697 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:52,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:52,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1805214937, now seen corresponding path program 1 times [2022-02-11 02:25:52,697 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:52,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210684554] [2022-02-11 02:25:52,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:52,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:52,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:52,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210684554] [2022-02-11 02:25:52,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210684554] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:52,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430996376] [2022-02-11 02:25:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:52,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:52,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:52,729 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:25:52,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-11 02:25:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:52,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 02:25:52,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:52,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 02:25:53,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430996376] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:53,145 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:25:53,145 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2022-02-11 02:25:53,145 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865279467] [2022-02-11 02:25:53,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:25:53,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:25:53,146 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:53,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:25:53,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:25:53,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:53,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:53,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:53,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:53,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-11 02:25:53,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:53,507 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:25:53,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:25:53,508 INFO L85 PathProgramCache]: Analyzing trace with hash -712697329, now seen corresponding path program 1 times [2022-02-11 02:25:53,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:25:53,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873571316] [2022-02-11 02:25:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:53,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:25:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-11 02:25:53,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:25:53,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873571316] [2022-02-11 02:25:53,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873571316] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:25:53,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212831728] [2022-02-11 02:25:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:25:53,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:25:53,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:25:53,559 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:25:53,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-02-11 02:25:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:25:53,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-11 02:25:53,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:25:53,893 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-11 02:25:53,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:25:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-11 02:25:54,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212831728] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:25:54,191 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:25:54,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 10] total 21 [2022-02-11 02:25:54,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589026307] [2022-02-11 02:25:54,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:25:54,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-11 02:25:54,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:25:54,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-11 02:25:54,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-02-11 02:25:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:25:54,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:25:54,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.285714285714286) internal successors, (132), 21 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:25:54,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:25:54,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-11 02:26:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-11 02:26:10,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:26:10,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-02-11 02:26:10,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:10,936 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-11 02:26:10,937 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread2of5ForFork0 was SAFE (1/6) [2022-02-11 02:26:10,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:26:10,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:10,938 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:26:10,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (26)] Waiting until timeout for monitored process [2022-02-11 02:26:10,945 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of5ForFork0 ======== [2022-02-11 02:26:10,945 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:26:10,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:26:10,996 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash 310982927, now seen corresponding path program 1 times [2022-02-11 02:26:10,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:10,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457894337] [2022-02-11 02:26:10,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:10,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:26:11,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:11,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457894337] [2022-02-11 02:26:11,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457894337] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:26:11,068 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:26:11,068 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 02:26:11,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168401921] [2022-02-11 02:26:11,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:26:11,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 02:26:11,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:11,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 02:26:11,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 02:26:11,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:11,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:11,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:11,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:11,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-02-11 02:26:11,089 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:11,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:11,090 INFO L85 PathProgramCache]: Analyzing trace with hash 249140280, now seen corresponding path program 1 times [2022-02-11 02:26:11,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:11,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257311332] [2022-02-11 02:26:11,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 02:26:11,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:11,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257311332] [2022-02-11 02:26:11,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257311332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:26:11,154 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 02:26:11,154 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 02:26:11,154 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971058203] [2022-02-11 02:26:11,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:26:11,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 02:26:11,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:11,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 02:26:11,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 02:26:11,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:11,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:11,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:11,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:26:11,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-02-11 02:26:11,264 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:11,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:11,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2002432596, now seen corresponding path program 1 times [2022-02-11 02:26:11,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:11,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204413238] [2022-02-11 02:26:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 02:26:11,308 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:11,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204413238] [2022-02-11 02:26:11,309 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204413238] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:11,309 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287025897] [2022-02-11 02:26:11,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:11,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:11,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:11,337 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:26:11,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-02-11 02:26:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:11,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 02:26:11,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:26:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 02:26:11,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:26:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 02:26:11,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287025897] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:26:11,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:26:11,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-11 02:26:11,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521997818] [2022-02-11 02:26:11,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:26:11,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 02:26:11,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:11,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 02:26:11,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-11 02:26:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:11,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:11,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:26:11,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 02:26:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 02:26:30,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-11 02:26:30,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-02-11 02:26:31,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-02-11 02:26:31,137 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-11 02:26:31,138 INFO L313 ceAbstractionStarter]: Result for error location thr1Thread1of5ForFork0 was SAFE (2/6) [2022-02-11 02:26:31,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:26:31,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:31,139 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:26:31,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (28)] Waiting until timeout for monitored process [2022-02-11 02:26:31,146 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 02:26:31,146 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:26:31,146 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:26:31,185 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-11 02:26:31,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:31,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1907034069, now seen corresponding path program 1 times [2022-02-11 02:26:31,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:31,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135265616] [2022-02-11 02:26:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:31,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:26:31,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-11 02:26:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-11 02:26:31,212 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-11 02:26:31,212 INFO L629 BasicCegarLoop]: Counterexample is feasible [2022-02-11 02:26:31,212 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-02-11 02:26:31,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-02-11 02:26:31,213 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-11 02:26:31,213 INFO L313 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (3/6) [2022-02-11 02:26:31,213 WARN L239 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-11 02:26:31,213 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,226 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,227 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,228 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,229 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,230 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,231 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,232 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,233 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,234 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,235 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,235 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,236 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,237 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,238 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,239 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,240 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,242 WARN L322 ript$VariableManager]: TermVariable |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,243 WARN L322 ript$VariableManager]: TermVariable |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,244 WARN L322 ript$VariableManager]: TermVariable |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,245 WARN L322 ript$VariableManager]: TermVariable |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,246 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 WARN L322 ript$VariableManager]: TermVariable |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 02:26:31,247 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-11 02:26:31,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 02:26:31,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:31,264 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 02:26:31,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (29)] Waiting until timeout for monitored process [2022-02-11 02:26:31,271 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread6of6ForFork0 ======== [2022-02-11 02:26:31,271 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2022-02-11 02:26:31,271 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-11 02:26:31,462 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:31,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash 379609010, now seen corresponding path program 1 times [2022-02-11 02:26:31,463 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:31,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686584988] [2022-02-11 02:26:31,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:31,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 56 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-11 02:26:31,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:31,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686584988] [2022-02-11 02:26:31,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686584988] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:31,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701853865] [2022-02-11 02:26:31,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:31,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:31,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:31,521 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:26:31,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-02-11 02:26:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:31,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-11 02:26:31,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:26:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 56 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-11 02:26:31,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:26:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-11 02:26:32,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701853865] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:32,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:26:32,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 16 [2022-02-11 02:26:32,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064065324] [2022-02-11 02:26:32,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:26:32,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:26:32,144 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:32,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:26:32,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-02-11 02:26:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:32,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:32,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:32,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:33,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:26:33,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-02-11 02:26:33,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-02-11 02:26:33,495 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:33,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:33,495 INFO L85 PathProgramCache]: Analyzing trace with hash 905979770, now seen corresponding path program 1 times [2022-02-11 02:26:33,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:33,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055747112] [2022-02-11 02:26:33,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:33,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 56 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-02-11 02:26:33,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:33,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055747112] [2022-02-11 02:26:33,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055747112] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:33,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689842285] [2022-02-11 02:26:33,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:33,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:33,545 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:26:33,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-02-11 02:26:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:33,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-11 02:26:33,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:26:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-02-11 02:26:34,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 02:26:34,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689842285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 02:26:34,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 02:26:34,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 10 [2022-02-11 02:26:34,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437793003] [2022-02-11 02:26:34,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:26:34,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 02:26:34,013 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:34,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 02:26:34,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-11 02:26:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:34,014 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:34,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:34,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:26:34,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:26:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:26:34,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-02-11 02:26:34,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-02-11 02:26:34,305 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:34,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:34,305 INFO L85 PathProgramCache]: Analyzing trace with hash 885262432, now seen corresponding path program 1 times [2022-02-11 02:26:34,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:34,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317375965] [2022-02-11 02:26:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:34,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 56 proven. 11 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-11 02:26:34,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:34,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317375965] [2022-02-11 02:26:34,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317375965] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:34,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96585127] [2022-02-11 02:26:34,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:34,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:34,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:34,368 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:26:34,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-02-11 02:26:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:34,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-11 02:26:34,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:26:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-02-11 02:26:34,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:26:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-02-11 02:26:34,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96585127] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:34,983 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 02:26:34,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 10] total 15 [2022-02-11 02:26:34,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997320759] [2022-02-11 02:26:34,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 02:26:34,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 02:26:34,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 02:26:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-02-11 02:26:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:34,984 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:34,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:34,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:26:34,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:26:34,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:26:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:26:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:35,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-02-11 02:26:35,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:35,325 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-11 02:26:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 02:26:35,325 INFO L85 PathProgramCache]: Analyzing trace with hash 414146978, now seen corresponding path program 1 times [2022-02-11 02:26:35,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 02:26:35,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8992131] [2022-02-11 02:26:35,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:35,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 02:26:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-11 02:26:35,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 02:26:35,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8992131] [2022-02-11 02:26:35,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8992131] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 02:26:35,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776487482] [2022-02-11 02:26:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 02:26:35,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 02:26:35,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 02:26:35,408 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-11 02:26:35,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-02-11 02:26:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 02:26:35,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-11 02:26:35,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 02:26:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-11 02:26:35,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 02:26:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-11 02:26:35,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776487482] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 02:26:35,869 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 02:26:35,869 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-11 02:26:35,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427004468] [2022-02-11 02:26:35,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 02:26:35,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-11 02:26:35,869 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 02:26:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-11 02:26:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-11 02:26:35,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 02:26:35,870 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 02:26:35,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 02:26:35,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 02:26:35,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 02:26:35,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 02:26:35,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.