/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix033_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 08:29:26,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 08:29:26,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 08:29:26,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-25 08:29:26,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-25 08:29:26,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-25 08:29:26,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-25 08:29:26,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-25 08:29:26,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-25 08:29:26,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-25 08:29:26,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-25 08:29:26,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-25 08:29:26,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 08:29:26,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 08:29:26,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 08:29:26,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 08:29:26,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 08:29:26,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 08:29:26,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 08:29:26,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 08:29:26,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 08:29:26,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 08:29:26,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 08:29:26,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 08:29:26,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 08:29:26,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 08:29:26,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 08:29:26,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 08:29:26,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-25 08:29:26,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 08:29:26,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 08:29:26,873 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 08:29:26,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 08:29:26,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 08:29:26,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 08:29:26,874 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 08:29:26,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 08:29:26,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 08:29:26,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 08:29:26,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 08:29:26,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 08:29:26,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 08:29:26,878 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 08:29:26,878 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 08:29:26,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 08:29:26,878 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-25 08:29:26,878 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 08:29:27,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 08:29:27,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 08:29:27,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 08:29:27,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 08:29:27,110 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 08:29:27,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_rmo.opt.i [2021-10-25 08:29:27,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49f58f09/f95c2418fc0b439ba7c5d475e9618f0d/FLAG486993e80 [2021-10-25 08:29:27,588 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 08:29:27,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_rmo.opt.i [2021-10-25 08:29:27,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49f58f09/f95c2418fc0b439ba7c5d475e9618f0d/FLAG486993e80 [2021-10-25 08:29:27,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c49f58f09/f95c2418fc0b439ba7c5d475e9618f0d [2021-10-25 08:29:27,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 08:29:27,912 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 08:29:27,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 08:29:27,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 08:29:27,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 08:29:27,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:29:27" (1/1) ... [2021-10-25 08:29:27,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e98aac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:27, skipping insertion in model container [2021-10-25 08:29:27,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:29:27" (1/1) ... [2021-10-25 08:29:27,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 08:29:27,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 08:29:28,111 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_rmo.opt.i[948,961] [2021-10-25 08:29:28,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 08:29:28,329 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 08:29:28,346 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_rmo.opt.i[948,961] [2021-10-25 08:29:28,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 08:29:28,449 INFO L208 MainTranslator]: Completed translation [2021-10-25 08:29:28,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28 WrapperNode [2021-10-25 08:29:28,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 08:29:28,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 08:29:28,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 08:29:28,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 08:29:28,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 08:29:28,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 08:29:28,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 08:29:28,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 08:29:28,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 08:29:28,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 08:29:28,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 08:29:28,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 08:29:28,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (1/1) ... [2021-10-25 08:29:28,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 08:29:28,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:29:28,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-25 08:29:28,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-25 08:29:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 08:29:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-25 08:29:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 08:29:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 08:29:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-25 08:29:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-25 08:29:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-25 08:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-25 08:29:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-25 08:29:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-25 08:29:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 08:29:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-25 08:29:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 08:29:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 08:29:28,665 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 08:29:30,137 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 08:29:30,137 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-25 08:29:30,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:30 BoogieIcfgContainer [2021-10-25 08:29:30,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 08:29:30,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 08:29:30,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 08:29:30,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 08:29:30,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:29:27" (1/3) ... [2021-10-25 08:29:30,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbdee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:29:30, skipping insertion in model container [2021-10-25 08:29:30,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:29:28" (2/3) ... [2021-10-25 08:29:30,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbdee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:29:30, skipping insertion in model container [2021-10-25 08:29:30,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:29:30" (3/3) ... [2021-10-25 08:29:30,146 INFO L111 eAbstractionObserver]: Analyzing ICFG mix033_rmo.opt.i [2021-10-25 08:29:30,150 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 08:29:30,150 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 08:29:30,150 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-25 08:29:30,150 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 08:29:30,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,182 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,182 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,192 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,193 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,194 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,196 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,197 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,197 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,197 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,197 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,198 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,199 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,200 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,201 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,212 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,213 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,214 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,214 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,216 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,216 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,217 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,220 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 08:29:30,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 08:29:30,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:29:30,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 08:29:30,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-25 08:29:30,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2021-10-25 08:29:30,290 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 08:29:30,291 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-25 08:29:30,416 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,417 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,417 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,417 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,417 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,417 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,418 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,418 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,418 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,418 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,418 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,419 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,419 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,443 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,455 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-25 08:29:30,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:30,459 INFO L82 PathProgramCache]: Analyzing trace with hash -515447616, now seen corresponding path program 1 times [2021-10-25 08:29:30,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:30,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225737316] [2021-10-25 08:29:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:30,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:30,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:30,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225737316] [2021-10-25 08:29:30,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225737316] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:30,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:30,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 08:29:30,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520639285] [2021-10-25 08:29:30,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-25 08:29:30,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:30,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-25 08:29:30,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-25 08:29:30,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:30,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:30,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 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) [2021-10-25 08:29:30,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:30,836 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,836 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,837 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,837 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,837 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,837 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,837 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,837 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,838 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,838 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,838 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,838 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,838 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,866 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,867 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,867 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,868 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,868 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,868 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,868 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,868 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,869 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,869 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,869 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,869 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,869 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,870 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,905 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,905 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,905 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,950 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,958 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,959 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,959 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,959 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,959 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,959 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,960 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,960 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,960 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,960 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,960 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,961 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,961 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,963 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:30,991 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,095 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,096 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,096 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,096 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,096 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,096 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,097 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,097 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,097 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,097 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,097 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,098 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,098 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,117 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,117 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,117 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,119 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,119 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,119 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,119 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-25 08:29:31,369 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 08:29:31,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 08:29:31,377 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2021-10-25 08:29:31,382 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 08:29:31,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:29:31,383 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) [2021-10-25 08:29:31,384 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 [2021-10-25 08:29:31,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 08:29:31,422 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 08:29:31,422 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 08:29:31,531 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,532 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,532 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,532 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,532 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,532 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,533 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,533 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,533 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,533 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,533 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,533 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,534 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,566 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,583 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,583 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,583 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,583 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,584 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,584 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,584 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,584 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,584 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,584 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,585 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,585 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,585 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,589 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,608 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,609 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,632 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,634 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,638 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,638 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,638 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,638 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,638 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,639 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,639 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,639 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,640 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,640 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,640 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,643 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:31,664 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:31,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:31,672 INFO L82 PathProgramCache]: Analyzing trace with hash -597798381, now seen corresponding path program 1 times [2021-10-25 08:29:31,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:31,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944221595] [2021-10-25 08:29:31,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:31,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:31,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:31,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:31,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944221595] [2021-10-25 08:29:31,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944221595] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:31,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:31,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 08:29:31,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447253727] [2021-10-25 08:29:31,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 08:29:31,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:31,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 08:29:31,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 08:29:31,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:31,742 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:31,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 08:29:31,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:31,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:31,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 08:29:31,747 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:31,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:31,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1584362497, now seen corresponding path program 1 times [2021-10-25 08:29:31,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:31,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101024104] [2021-10-25 08:29:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:31,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:32,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:32,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101024104] [2021-10-25 08:29:32,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101024104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:32,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:32,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-25 08:29:32,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351625391] [2021-10-25 08:29:32,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 08:29:32,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 08:29:32,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-25 08:29:32,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,171 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:32,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 11 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) [2021-10-25 08:29:32,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,529 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,529 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,529 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,530 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,530 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,530 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,530 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,530 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,531 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,531 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,531 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,531 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,531 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,548 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,548 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,549 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,549 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,549 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,549 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,549 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,550 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,550 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,550 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,550 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,550 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,550 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 08:29:32,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 08:29:32,605 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:32,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:32,605 INFO L82 PathProgramCache]: Analyzing trace with hash -994057145, now seen corresponding path program 1 times [2021-10-25 08:29:32,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:32,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727040402] [2021-10-25 08:29:32,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:32,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:32,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:32,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727040402] [2021-10-25 08:29:32,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727040402] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:32,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:32,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-25 08:29:32,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383439097] [2021-10-25 08:29:32,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 08:29:32,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:32,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 08:29:32,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-25 08:29:32,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,801 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:32,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 08:29:32,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 08:29:32,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:32,901 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,902 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,902 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,903 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,904 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,960 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:32,960 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,197 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,199 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,200 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,200 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,200 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,200 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,200 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,200 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,201 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,201 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,201 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,201 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,201 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,201 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:33,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-25 08:29:33,281 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:33,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:33,281 INFO L82 PathProgramCache]: Analyzing trace with hash 607111163, now seen corresponding path program 1 times [2021-10-25 08:29:33,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:33,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517829061] [2021-10-25 08:29:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:33,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:33,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:33,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517829061] [2021-10-25 08:29:33,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517829061] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:33,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:33,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 08:29:33,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081226525] [2021-10-25 08:29:33,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 08:29:33,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:33,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 08:29:33,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-25 08:29:33,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,466 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:33,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 08:29:33,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:33,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:33,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:33,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:33,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:33,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-25 08:29:33,618 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:33,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:33,618 INFO L82 PathProgramCache]: Analyzing trace with hash 591226753, now seen corresponding path program 1 times [2021-10-25 08:29:33,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:33,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587803005] [2021-10-25 08:29:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:33,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:33,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:33,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587803005] [2021-10-25 08:29:33,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587803005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:33,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:33,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-25 08:29:33,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470480419] [2021-10-25 08:29:33,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-25 08:29:33,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:33,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-25 08:29:33,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-25 08:29:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,773 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:33,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 8 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 08:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:33,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:33,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:33,905 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,905 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,905 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,906 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,906 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,906 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,906 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,906 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,906 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,907 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,907 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,907 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,907 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,924 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,924 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,924 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,924 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,925 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,925 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,925 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,925 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,925 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,925 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,926 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,926 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:33,926 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:29:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:29:34,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 08:29:34,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-25 08:29:34,345 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:34,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:34,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1227719507, now seen corresponding path program 1 times [2021-10-25 08:29:34,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:34,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207465171] [2021-10-25 08:29:34,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:34,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:29:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:29:34,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:29:34,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207465171] [2021-10-25 08:29:34,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207465171] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:29:34,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:29:34,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-25 08:29:34,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786056076] [2021-10-25 08:29:34,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 08:29:34,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:29:34,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 08:29:34,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-25 08:29:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:34,566 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:29:34,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 08:29:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:29:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 08:29:34,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:29:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-25 08:29:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:34,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:29:34,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 08:29:34,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-25 08:29:34,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-25 08:29:34,740 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 08:29:34,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:29:34,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1076155309, now seen corresponding path program 2 times [2021-10-25 08:29:34,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:29:34,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299852469] [2021-10-25 08:29:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:29:34,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:29:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-25 08:29:34,783 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-25 08:29:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-25 08:29:34,860 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-25 08:29:34,861 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-25 08:29:34,861 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 08:29:34,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 08:29:34,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 08:29:34,861 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 08:29:34,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-25 08:29:34,863 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2021-10-25 08:29:34,865 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 08:29:34,865 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 08:29:35,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:29:35 BasicIcfg [2021-10-25 08:29:35,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 08:29:35,038 INFO L168 Benchmark]: Toolchain (without parser) took 7125.10 ms. Allocated memory was 183.5 MB in the beginning and 304.1 MB in the end (delta: 120.6 MB). Free memory was 123.6 MB in the beginning and 246.6 MB in the end (delta: -123.0 MB). Peak memory consumption was 159.6 MB. Max. memory is 8.0 GB. [2021-10-25 08:29:35,038 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 183.5 MB. Free memory is still 141.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 08:29:35,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.63 ms. Allocated memory was 183.5 MB in the beginning and 252.7 MB in the end (delta: 69.2 MB). Free memory was 123.4 MB in the beginning and 213.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. [2021-10-25 08:29:35,038 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.43 ms. Allocated memory is still 252.7 MB. Free memory was 213.6 MB in the beginning and 211.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 08:29:35,039 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 252.7 MB. Free memory was 211.5 MB in the beginning and 209.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 08:29:35,039 INFO L168 Benchmark]: RCFGBuilder took 1560.05 ms. Allocated memory is still 252.7 MB. Free memory was 209.4 MB in the beginning and 133.3 MB in the end (delta: 76.0 MB). Peak memory consumption was 100.2 MB. Max. memory is 8.0 GB. [2021-10-25 08:29:35,039 INFO L168 Benchmark]: TraceAbstraction took 4896.24 ms. Allocated memory was 252.7 MB in the beginning and 304.1 MB in the end (delta: 51.4 MB). Free memory was 132.8 MB in the beginning and 246.6 MB in the end (delta: -113.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. [2021-10-25 08:29:35,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 183.5 MB. Free memory is still 141.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 536.63 ms. Allocated memory was 183.5 MB in the beginning and 252.7 MB in the end (delta: 69.2 MB). Free memory was 123.4 MB in the beginning and 213.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 70.43 ms. Allocated memory is still 252.7 MB. Free memory was 213.6 MB in the beginning and 211.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 252.7 MB. Free memory was 211.5 MB in the beginning and 209.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1560.05 ms. Allocated memory is still 252.7 MB. Free memory was 209.4 MB in the beginning and 133.3 MB in the end (delta: 76.0 MB). Peak memory consumption was 100.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4896.24 ms. Allocated memory was 252.7 MB in the beginning and 304.1 MB in the end (delta: 51.4 MB). Free memory was 132.8 MB in the beginning and 246.6 MB in the end (delta: -113.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18280, positive: 16945, positive conditional: 15080, positive unconditional: 1865, negative: 1335, negative conditional: 1310, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17582, positive: 16945, positive conditional: 0, positive unconditional: 16945, negative: 637, negative conditional: 0, negative unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1900, positive: 1873, positive conditional: 0, positive unconditional: 1873, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1900, positive: 1869, positive conditional: 0, positive unconditional: 1869, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 282, negative conditional: 0, negative unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17582, positive: 15072, positive conditional: 0, positive unconditional: 15072, negative: 610, negative conditional: 0, negative unconditional: 610, unknown: 1900, unknown conditional: 0, unknown unconditional: 1900] , Statistics on independence cache: Total cache size (in pairs): 1900, Positive cache size: 1873, Positive conditional cache size: 0, Positive unconditional cache size: 1873, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Independence queries for same thread: 698 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 389, Number of persistent set computation: 1380, Number of trivial persistent sets: 775, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18280, positive: 16945, positive conditional: 15080, positive unconditional: 1865, negative: 1335, negative conditional: 1310, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17582, positive: 16945, positive conditional: 0, positive unconditional: 16945, negative: 637, negative conditional: 0, negative unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1900, positive: 1873, positive conditional: 0, positive unconditional: 1873, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1900, positive: 1869, positive conditional: 0, positive unconditional: 1869, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 294, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 282, negative conditional: 0, negative unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17582, positive: 15072, positive conditional: 0, positive unconditional: 15072, negative: 610, negative conditional: 0, negative unconditional: 610, unknown: 1900, unknown conditional: 0, unknown unconditional: 1900] , Statistics on independence cache: Total cache size (in pairs): 1900, Positive cache size: 1873, Positive conditional cache size: 0, Positive unconditional cache size: 1873, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Independence queries for same thread: 698 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21913, positive: 21087, positive conditional: 19307, positive unconditional: 1780, negative: 826, negative conditional: 795, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21643, positive: 21087, positive conditional: 0, positive unconditional: 21087, negative: 556, negative conditional: 0, negative unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1818, positive: 1786, positive conditional: 0, positive unconditional: 1786, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1818, positive: 1780, positive conditional: 0, positive unconditional: 1780, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 382, negative conditional: 0, negative unconditional: 382, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21643, positive: 19301, positive conditional: 0, positive unconditional: 19301, negative: 524, negative conditional: 0, negative unconditional: 524, unknown: 1818, unknown conditional: 0, unknown unconditional: 1818] , Statistics on independence cache: Total cache size (in pairs): 1818, Positive cache size: 1786, Positive conditional cache size: 0, Positive unconditional cache size: 1786, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Independence queries for same thread: 270 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 492, Number of persistent set computation: 2009, Number of trivial persistent sets: 701, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21913, positive: 21087, positive conditional: 19307, positive unconditional: 1780, negative: 826, negative conditional: 795, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21643, positive: 21087, positive conditional: 0, positive unconditional: 21087, negative: 556, negative conditional: 0, negative unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1818, positive: 1786, positive conditional: 0, positive unconditional: 1786, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1818, positive: 1780, positive conditional: 0, positive unconditional: 1780, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 390, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 382, negative conditional: 0, negative unconditional: 382, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21643, positive: 19301, positive conditional: 0, positive unconditional: 19301, negative: 524, negative conditional: 0, negative unconditional: 524, unknown: 1818, unknown conditional: 0, unknown unconditional: 1818] , Statistics on independence cache: Total cache size (in pairs): 1818, Positive cache size: 1786, Positive conditional cache size: 0, Positive unconditional cache size: 1786, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Independence queries for same thread: 270 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L717] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L719] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L721] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0] [L722] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0] [L723] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L725] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L727] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L729] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L730] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L731] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L732] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L733] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L734] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L735] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0] [L741] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L742] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L743] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L744] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L745] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L746] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L843] 0 pthread_t t888; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L844] FCALL, FORK 0 pthread_create(&t888, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] 0 pthread_t t889; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] FCALL, FORK 0 pthread_create(&t889, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] 0 pthread_t t890; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] FCALL, FORK 0 pthread_create(&t890, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 3 z$w_buff1 = z$w_buff0 [L801] 3 z$w_buff0 = 1 [L802] 3 z$w_buff1_used = z$w_buff0_used [L803] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L805] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L812] 3 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L815] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L818] 3 __unbuffered_p2_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L751] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L761] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L766] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L769] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 z$flush_delayed = weak$$choice2 [L778] 2 z$mem_tmp = z [L779] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L779] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L780] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L780] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0) [L780] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L780] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L781] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L781] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1) [L781] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L781] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L782] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L782] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used) [L782] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L782] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L783] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L783] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L784] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2) [L784] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L784] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L785] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L785] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = z [L787] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L787] 2 z = z$flush_delayed ? z$mem_tmp : z [L788] 2 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L821] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L822] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L823] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L824] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L825] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L825] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L830] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L854] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L854] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L854] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L854] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L855] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L855] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L856] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L857] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L858] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - UnprovableResult [Line: 846]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 848]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 142 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1123.3ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 710.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.5ms SsaConstructionTime, 80.9ms SatisfiabilityAnalysisTime, 149.1ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 142 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3480.4ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.8ms, PartialOrderReductionTime: 2047.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.2ms SsaConstructionTime, 261.4ms SatisfiabilityAnalysisTime, 934.3ms InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 527 ConstructedInterpolants, 0 QuantifiedInterpolants, 2030 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-25 08:29:35,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-10-25 08:29:35,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 08:29:35,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...