/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 15:54:55,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 15:54:55,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 15:54:55,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 15:54:55,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 15:54:55,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 15:54:55,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 15:54:55,807 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-NewStatesSleep-NoLbe.epf [2022-02-15 15:54:55,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 15:54:55,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 15:54:55,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 15:54:55,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 15:54:55,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 15:54:55,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 15:54:55,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 15:54:55,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 15:54:55,827 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 15:54:55,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 15:54:55,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 15:54:55,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 15:54:55,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 15:54:55,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 15:54:55,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 15:54:55,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 15:54:55,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 15:54:55,831 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 15:54:55,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 15:54:56,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 15:54:56,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 15:54:56,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 15:54:56,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 15:54:56,077 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 15:54:56,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-02-15 15:54:56,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c38d76bd/22bc5478ecc94eab8c537af357871672/FLAG7564b49b7 [2022-02-15 15:54:56,533 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 15:54:56,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-02-15 15:54:56,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c38d76bd/22bc5478ecc94eab8c537af357871672/FLAG7564b49b7 [2022-02-15 15:54:56,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c38d76bd/22bc5478ecc94eab8c537af357871672 [2022-02-15 15:54:56,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 15:54:56,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 15:54:56,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 15:54:56,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 15:54:56,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 15:54:56,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:54:56" (1/1) ... [2022-02-15 15:54:56,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bd79dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:56, skipping insertion in model container [2022-02-15 15:54:56,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 03:54:56" (1/1) ... [2022-02-15 15:54:56,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 15:54:56,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 15:54:57,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-02-15 15:54:57,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 15:54:57,237 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 15:54:57,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-02-15 15:54:57,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 15:54:57,342 INFO L208 MainTranslator]: Completed translation [2022-02-15 15:54:57,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57 WrapperNode [2022-02-15 15:54:57,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 15:54:57,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 15:54:57,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 15:54:57,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 15:54:57,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,399 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2022-02-15 15:54:57,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 15:54:57,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 15:54:57,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 15:54:57,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 15:54:57,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 15:54:57,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 15:54:57,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 15:54:57,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 15:54:57,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (1/1) ... [2022-02-15 15:54:57,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 15:54:57,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 15:54:57,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 15:54:57,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 15:54:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 15:54:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 15:54:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 15:54:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 15:54:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 15:54:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-15 15:54:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-15 15:54:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-15 15:54:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-15 15:54:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-15 15:54:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-15 15:54:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 15:54:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 15:54:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 15:54:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 15:54:57,546 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 15:54:57,712 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 15:54:57,713 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 15:54:58,168 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 15:54:58,455 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 15:54:58,455 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 15:54:58,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:54:58 BoogieIcfgContainer [2022-02-15 15:54:58,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 15:54:58,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 15:54:58,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 15:54:58,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 15:54:58,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 03:54:56" (1/3) ... [2022-02-15 15:54:58,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac0e7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:54:58, skipping insertion in model container [2022-02-15 15:54:58,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 03:54:57" (2/3) ... [2022-02-15 15:54:58,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac0e7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 03:54:58, skipping insertion in model container [2022-02-15 15:54:58,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 03:54:58" (3/3) ... [2022-02-15 15:54:58,467 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-02-15 15:54:58,474 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 15:54:58,475 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 15:54:58,475 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-15 15:54:58,475 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 15:54:58,519 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,520 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,520 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,520 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,520 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,520 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,521 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,521 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,522 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,522 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,522 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,522 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,523 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,523 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,523 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,523 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,524 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,524 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,524 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,524 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,525 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,525 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,525 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,526 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,526 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,526 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,527 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,527 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,527 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,528 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,528 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,528 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,528 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,528 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,529 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,529 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,529 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,529 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,530 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,530 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,530 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,530 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,530 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,530 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,531 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,531 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,531 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,531 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,534 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,534 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,534 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,534 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,535 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,535 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,535 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,535 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,536 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,536 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,536 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,536 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,541 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,541 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,541 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,542 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,544 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,545 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,546 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,546 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,547 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,549 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,555 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,555 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,556 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,556 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:58,557 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 15:54:58,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 15:54:58,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 15:54:58,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-15 15:54:58,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-15 15:54:58,638 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 15:54:58,646 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 15:54:58,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-15 15:54:58,743 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:54:58,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:54:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1619830880, now seen corresponding path program 1 times [2022-02-15 15:54:58,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:54:58,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078530012] [2022-02-15 15:54:58,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:54:58,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:54:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:54:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:54:59,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:54:59,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078530012] [2022-02-15 15:54:59,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078530012] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:54:59,008 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:54:59,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 15:54:59,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273735794] [2022-02-15 15:54:59,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:54:59,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 15:54:59,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:54:59,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 15:54:59,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 15:54:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,041 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:54:59,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 15:54:59,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 15:54:59,089 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:54:59,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:54:59,093 INFO L85 PathProgramCache]: Analyzing trace with hash -449706738, now seen corresponding path program 1 times [2022-02-15 15:54:59,093 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:54:59,093 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932623076] [2022-02-15 15:54:59,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:54:59,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:54:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:54:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:54:59,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:54:59,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932623076] [2022-02-15 15:54:59,234 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932623076] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:54:59,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:54:59,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 15:54:59,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394486261] [2022-02-15 15:54:59,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:54:59,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 15:54:59,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:54:59,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 15:54:59,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 15:54:59,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:54:59,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 15:54:59,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,421 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:59,439 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:59,440 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:59,502 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:59,514 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:59,524 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:54:59,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:54:59,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 15:54:59,586 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:54:59,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:54:59,587 INFO L85 PathProgramCache]: Analyzing trace with hash -45666451, now seen corresponding path program 1 times [2022-02-15 15:54:59,587 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:54:59,587 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868192755] [2022-02-15 15:54:59,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:54:59,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:54:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:54:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:54:59,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:54:59,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868192755] [2022-02-15 15:54:59,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868192755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:54:59,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:54:59,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 15:54:59,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143297843] [2022-02-15 15:54:59,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:54:59,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 15:54:59,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:54:59,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 15:54:59,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-02-15 15:54:59,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,889 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:54:59,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 15:54:59,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:54:59,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:54:59,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:00,039 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,194 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,301 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,444 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,513 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,513 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,513 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,514 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,514 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,514 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,514 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,514 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,514 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,515 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,515 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,515 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,515 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,515 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,538 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,538 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,539 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,542 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,543 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,543 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,545 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,545 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,573 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,576 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,576 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,576 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,598 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,598 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,599 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,599 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,599 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,599 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,599 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,600 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,600 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,600 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,600 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,600 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,601 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,601 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,642 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,644 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,644 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,644 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,644 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,644 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,645 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,645 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,645 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,645 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,645 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,646 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,646 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,646 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,646 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,673 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,674 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,675 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,675 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,675 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,675 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,675 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,676 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,676 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,676 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,676 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,677 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,677 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,678 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,678 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:00,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:00,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 15:55:00,720 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:55:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:55:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1164150310, now seen corresponding path program 1 times [2022-02-15 15:55:00,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:55:00,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315511689] [2022-02-15 15:55:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:55:00,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:55:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:55:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:55:00,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:55:00,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315511689] [2022-02-15 15:55:00,941 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315511689] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:55:00,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:55:00,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 15:55:00,942 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243065398] [2022-02-15 15:55:00,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:55:00,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 15:55:00,944 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:55:00,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 15:55:00,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 15:55:00,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:00,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:55:00,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 15:55:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:00,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:00,982 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,985 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:00,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,026 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,027 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,027 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,027 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,027 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,027 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,053 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,054 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,054 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,054 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,054 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,055 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,055 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,055 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,055 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,097 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,099 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,099 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,100 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,100 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,100 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,253 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,289 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,289 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,289 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,308 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,308 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:01,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 15:55:01,338 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:55:01,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:55:01,339 INFO L85 PathProgramCache]: Analyzing trace with hash -290385516, now seen corresponding path program 1 times [2022-02-15 15:55:01,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:55:01,339 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985934466] [2022-02-15 15:55:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:55:01,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:55:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:55:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:55:01,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:55:01,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985934466] [2022-02-15 15:55:01,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985934466] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:55:01,453 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:55:01,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 15:55:01,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78119844] [2022-02-15 15:55:01,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:55:01,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 15:55:01,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:55:01,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 15:55:01,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 15:55:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:01,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:55:01,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 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) [2022-02-15 15:55:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:01,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:01,583 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:01,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:01,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:01,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 15:55:01,888 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:55:01,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:55:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1736605876, now seen corresponding path program 1 times [2022-02-15 15:55:01,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:55:01,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123264447] [2022-02-15 15:55:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:55:01,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:55:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:55:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:55:02,000 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:55:02,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123264447] [2022-02-15 15:55:02,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123264447] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:55:02,001 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:55:02,001 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 15:55:02,001 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411139886] [2022-02-15 15:55:02,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:55:02,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 15:55:02,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:55:02,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 15:55:02,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 15:55:02,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,002 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:55:02,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 15:55:02,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:02,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:02,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:02,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,126 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:02,126 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 15:55:02,154 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:55:02,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:55:02,154 INFO L85 PathProgramCache]: Analyzing trace with hash -363786062, now seen corresponding path program 2 times [2022-02-15 15:55:02,155 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:55:02,155 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880895644] [2022-02-15 15:55:02,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:55:02,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:55:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:55:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:55:02,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:55:02,336 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880895644] [2022-02-15 15:55:02,336 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880895644] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:55:02,336 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:55:02,336 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 15:55:02,336 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293723139] [2022-02-15 15:55:02,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:55:02,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 15:55:02,337 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:55:02,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 15:55:02,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-15 15:55:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,338 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:55:02,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 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) [2022-02-15 15:55:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:02,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 15:55:02,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 15:55:02,432 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:55:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:55:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash 362042424, now seen corresponding path program 1 times [2022-02-15 15:55:02,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:55:02,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590330783] [2022-02-15 15:55:02,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:55:02,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:55:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 15:55:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 15:55:02,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 15:55:02,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590330783] [2022-02-15 15:55:02,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590330783] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 15:55:02,699 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 15:55:02,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-15 15:55:02,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769352144] [2022-02-15 15:55:02,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 15:55:02,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 15:55:02,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 15:55:02,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 15:55:02,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-15 15:55:02,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 15:55:02,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-15 15:55:02,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,887 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:02,888 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 15:55:02,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 15:55:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 15:55:02,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 15:55:02,937 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-15 15:55:02,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 15:55:02,937 INFO L85 PathProgramCache]: Analyzing trace with hash 405401716, now seen corresponding path program 2 times [2022-02-15 15:55:02,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 15:55:02,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13579656] [2022-02-15 15:55:02,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 15:55:02,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 15:55:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 15:55:03,011 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 15:55:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 15:55:03,085 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 15:55:03,086 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 15:55:03,086 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-02-15 15:55:03,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-02-15 15:55:03,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-02-15 15:55:03,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-02-15 15:55:03,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2022-02-15 15:55:03,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-02-15 15:55:03,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 15:55:03,094 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-02-15 15:55:03,098 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 15:55:03,098 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 15:55:03,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 03:55:03 BasicIcfg [2022-02-15 15:55:03,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 15:55:03,215 INFO L158 Benchmark]: Toolchain (without parser) took 6344.73ms. Allocated memory was 190.8MB in the beginning and 324.0MB in the end (delta: 133.2MB). Free memory was 134.0MB in the beginning and 224.7MB in the end (delta: -90.8MB). Peak memory consumption was 42.5MB. Max. memory is 8.0GB. [2022-02-15 15:55:03,216 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 15:55:03,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.68ms. Allocated memory was 190.8MB in the beginning and 241.2MB in the end (delta: 50.3MB). Free memory was 133.7MB in the beginning and 200.6MB in the end (delta: -66.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2022-02-15 15:55:03,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.07ms. Allocated memory is still 241.2MB. Free memory was 200.1MB in the beginning and 197.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 15:55:03,217 INFO L158 Benchmark]: Boogie Preprocessor took 57.87ms. Allocated memory is still 241.2MB. Free memory was 197.5MB in the beginning and 195.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 15:55:03,217 INFO L158 Benchmark]: RCFGBuilder took 999.60ms. Allocated memory is still 241.2MB. Free memory was 195.4MB in the beginning and 124.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2022-02-15 15:55:03,217 INFO L158 Benchmark]: TraceAbstraction took 4754.07ms. Allocated memory was 241.2MB in the beginning and 324.0MB in the end (delta: 82.8MB). Free memory was 123.6MB in the beginning and 224.7MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 15:55:03,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 470.68ms. Allocated memory was 190.8MB in the beginning and 241.2MB in the end (delta: 50.3MB). Free memory was 133.7MB in the beginning and 200.6MB in the end (delta: -66.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.07ms. Allocated memory is still 241.2MB. Free memory was 200.1MB in the beginning and 197.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.87ms. Allocated memory is still 241.2MB. Free memory was 197.5MB in the beginning and 195.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 999.60ms. Allocated memory is still 241.2MB. Free memory was 195.4MB in the beginning and 124.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * TraceAbstraction took 4754.07ms. Allocated memory was 241.2MB in the beginning and 324.0MB in the end (delta: 82.8MB). Free memory was 123.6MB in the beginning and 224.7MB in the end (delta: -101.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32813, positive: 32149, positive conditional: 32149, positive unconditional: 0, negative: 664, negative conditional: 664, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32685, positive: 32149, positive conditional: 32149, positive unconditional: 0, negative: 536, negative conditional: 536, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32685, positive: 32149, positive conditional: 32149, positive unconditional: 0, negative: 536, negative conditional: 536, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33749, positive: 32149, positive conditional: 29700, positive unconditional: 2449, negative: 1600, negative conditional: 1064, negative unconditional: 536, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33749, positive: 32149, positive conditional: 10626, positive unconditional: 21523, negative: 1600, negative conditional: 291, negative unconditional: 1309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33749, positive: 32149, positive conditional: 10626, positive unconditional: 21523, negative: 1600, negative conditional: 291, negative unconditional: 1309, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1153, positive: 1126, positive conditional: 527, positive unconditional: 599, negative: 27, negative conditional: 13, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1153, positive: 1109, positive conditional: 0, positive unconditional: 1109, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 17, positive conditional: 13, positive unconditional: 4, negative: 27, negative conditional: 13, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 640, positive: 220, positive conditional: 173, positive unconditional: 47, negative: 420, negative conditional: 238, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 33749, positive: 31023, positive conditional: 10099, positive unconditional: 20924, negative: 1573, negative conditional: 278, negative unconditional: 1295, unknown: 1153, unknown conditional: 540, unknown unconditional: 613] , Statistics on independence cache: Total cache size (in pairs): 1153, Positive cache size: 1126, Positive conditional cache size: 527, Positive unconditional cache size: 599, Negative cache size: 27, Negative conditional cache size: 13, Negative unconditional cache size: 14, Eliminated conditions: 19847, Maximal queried relation: 4, Independence queries for same thread: 128 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L717] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L718] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L719] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L720] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L721] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L722] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L723] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L728] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L729] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L730] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L731] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L732] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L733] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L813] 0 pthread_t t1492; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1492={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L814] FCALL, FORK 0 pthread_create(&t1492, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1492, ((void *)0), P0, ((void *)0))=-2, t1492={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 0 pthread_t t1493; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t1493, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1493, ((void *)0), P1, ((void *)0))=-1, t1492={5:0}, t1493={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1494; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] FCALL, FORK 0 pthread_create(&t1494, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1494, ((void *)0), P2, ((void *)0))=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L776] 3 y$w_buff1 = y$w_buff0 [L777] 3 y$w_buff0 = 2 [L778] 3 y$w_buff1_used = y$w_buff0_used [L779] 3 y$w_buff0_used = (_Bool)1 [L780] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L780] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L781] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L782] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L783] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L784] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L785] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L741] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L751] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L756] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L759] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L800] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1492={5:0}, t1493={6:0}, t1494={3:0}, weak$$choice0=53, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L846] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 816]: 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: 818]: 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: 814]: 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 with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 731 NumberOfCodeBlocks, 731 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 632 ConstructedInterpolants, 0 QuantifiedInterpolants, 2344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-02-15 15:55:03,249 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 [2022-02-15 15:55:03,462 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...