/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 19:54:15,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 19:54:15,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 19:54:15,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 19:54:15,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 19:54:15,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 19:54:15,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 19:54:15,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 19:54:15,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 19:54:15,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 19:54:15,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 19:54:15,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 19:54:15,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 19:54:15,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 19:54:15,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 19:54:15,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 19:54:15,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 19:54:15,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 19:54:15,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 19:54:15,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 19:54:15,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 19:54:15,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 19:54:15,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 19:54:15,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 19:54:15,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 19:54:15,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 19:54:15,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 19:54:15,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 19:54:15,628 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-01 19:54:15,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 19:54:15,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 19:54:15,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 19:54:15,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 19:54:15,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 19:54:15,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 19:54:15,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 19:54:15,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 19:54:15,644 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 19:54:15,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 19:54:15,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 19:54:15,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 19:54:15,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 19:54:15,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 19:54:15,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 19:54:15,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 19:54:15,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 19:54:15,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 19:54:15,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 19:54:15,647 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 19:54:15,647 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 19:54:15,647 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 19:54:15,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 19:54:15,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 19:54:15,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 19:54:15,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 19:54:15,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 19:54:15,875 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 19:54:15,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i [2022-03-01 19:54:15,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685aebd95/8591966a907c4b14b32eaf1d94c87c48/FLAGbeaa13d59 [2022-03-01 19:54:16,372 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 19:54:16,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031.opt.i [2022-03-01 19:54:16,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685aebd95/8591966a907c4b14b32eaf1d94c87c48/FLAGbeaa13d59 [2022-03-01 19:54:16,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685aebd95/8591966a907c4b14b32eaf1d94c87c48 [2022-03-01 19:54:16,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 19:54:16,907 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 19:54:16,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 19:54:16,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 19:54:16,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 19:54:16,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 07:54:16" (1/1) ... [2022-03-01 19:54:16,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf4dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:16, skipping insertion in model container [2022-03-01 19:54:16,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 07:54:16" (1/1) ... [2022-03-01 19:54:16,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 19:54:16,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 19:54:17,095 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/mix031.opt.i[987,1000] [2022-03-01 19:54:17,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 19:54:17,237 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 19:54:17,250 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/mix031.opt.i[987,1000] [2022-03-01 19:54:17,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 19:54:17,336 INFO L208 MainTranslator]: Completed translation [2022-03-01 19:54:17,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17 WrapperNode [2022-03-01 19:54:17,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 19:54:17,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 19:54:17,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 19:54:17,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 19:54:17,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,389 INFO L137 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2022-03-01 19:54:17,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 19:54:17,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 19:54:17,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 19:54:17,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 19:54:17,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 19:54:17,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 19:54:17,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 19:54:17,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 19:54:17,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (1/1) ... [2022-03-01 19:54:17,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 19:54:17,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 19:54:17,446 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) [2022-03-01 19:54:17,456 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 [2022-03-01 19:54:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 19:54:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 19:54:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 19:54:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 19:54:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 19:54:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-01 19:54:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-01 19:54:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-01 19:54:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-01 19:54:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 19:54:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 19:54:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 19:54:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 19:54:17,486 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 19:54:17,576 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 19:54:17,578 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 19:54:17,895 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 19:54:18,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 19:54:18,092 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 19:54:18,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 07:54:18 BoogieIcfgContainer [2022-03-01 19:54:18,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 19:54:18,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 19:54:18,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 19:54:18,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 19:54:18,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 07:54:16" (1/3) ... [2022-03-01 19:54:18,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc67c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 07:54:18, skipping insertion in model container [2022-03-01 19:54:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 07:54:17" (2/3) ... [2022-03-01 19:54:18,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc67c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 07:54:18, skipping insertion in model container [2022-03-01 19:54:18,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 07:54:18" (3/3) ... [2022-03-01 19:54:18,100 INFO L111 eAbstractionObserver]: Analyzing ICFG mix031.opt.i [2022-03-01 19:54:18,106 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 19:54:18,106 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 19:54:18,106 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-01 19:54:18,106 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 19:54:18,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,142 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,142 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,142 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,143 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,143 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,143 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,144 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,145 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,146 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,147 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,148 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,150 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,151 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,152 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,153 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,154 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,154 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,154 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,156 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,157 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,158 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,161 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,162 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,163 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,164 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,165 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,166 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,168 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,169 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,171 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,172 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,172 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 19:54:18,173 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-01 19:54:18,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 19:54:18,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 19:54:18,205 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) [2022-03-01 19:54:18,206 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 [2022-03-01 19:54:18,225 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 19:54:18,229 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, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-01 19:54:18,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-01 19:54:18,308 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 116 states. [2022-03-01 19:54:18,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-03-01 19:54:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 19:54:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash -683505756, now seen corresponding path program 1 times [2022-03-01 19:54:18,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 19:54:18,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090274013] [2022-03-01 19:54:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 19:54:18,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 19:54:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 19:54:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 19:54:18,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 19:54:18,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090274013] [2022-03-01 19:54:18,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090274013] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 19:54:18,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 19:54:18,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 19:54:18,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845250883] [2022-03-01 19:54:18,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 19:54:18,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 19:54:18,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 19:54:18,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 19:54:18,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 19:54:18,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 19:54:18,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 19:54:18,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,602 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 90 transitions and produced 90 states. [2022-03-01 19:54:18,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 19:54:18,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-03-01 19:54:18,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 19:54:18,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1190964625, now seen corresponding path program 1 times [2022-03-01 19:54:18,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 19:54:18,606 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142667485] [2022-03-01 19:54:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 19:54:18,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 19:54:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 19:54:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 19:54:18,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 19:54:18,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142667485] [2022-03-01 19:54:18,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142667485] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 19:54:18,706 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 19:54:18,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 19:54:18,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745208022] [2022-03-01 19:54:18,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 19:54:18,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 19:54:18,708 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 19:54:18,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 19:54:18,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 19:54:18,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 19:54:18,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-03-01 19:54:18,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,811 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 734 transitions and produced 349 states. [2022-03-01 19:54:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:18,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 19:54:18,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-03-01 19:54:18,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 19:54:18,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1667540217, now seen corresponding path program 1 times [2022-03-01 19:54:18,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 19:54:18,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974508984] [2022-03-01 19:54:18,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 19:54:18,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 19:54:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 19:54:19,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 19:54:19,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 19:54:19,046 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974508984] [2022-03-01 19:54:19,046 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974508984] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 19:54:19,046 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 19:54:19,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-01 19:54:19,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303090347] [2022-03-01 19:54:19,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 19:54:19,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-01 19:54:19,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 19:54:19,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-01 19:54:19,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-01 19:54:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:19,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 19:54:19,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2022-03-01 19:54:19,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:19,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:19,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:19,557 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6952 transitions and produced 2756 states. [2022-03-01 19:54:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:19,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 19:54:19,559 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-03-01 19:54:19,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 19:54:19,560 INFO L85 PathProgramCache]: Analyzing trace with hash 184857868, now seen corresponding path program 1 times [2022-03-01 19:54:19,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 19:54:19,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13744799] [2022-03-01 19:54:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 19:54:19,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 19:54:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 19:54:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 19:54:19,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 19:54:19,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13744799] [2022-03-01 19:54:19,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13744799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 19:54:19,813 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 19:54:19,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-01 19:54:19,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192267017] [2022-03-01 19:54:19,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 19:54:19,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-01 19:54:19,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 19:54:19,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-01 19:54:19,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-01 19:54:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:19,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 19:54:19,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 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) [2022-03-01 19:54:19,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:19,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:20,132 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4337 transitions and produced 1636 states. [2022-03-01 19:54:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:20,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:20,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 19:54:20,133 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-03-01 19:54:20,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 19:54:20,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1584238257, now seen corresponding path program 1 times [2022-03-01 19:54:20,134 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 19:54:20,134 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903548576] [2022-03-01 19:54:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 19:54:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 19:54:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 19:54:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 19:54:20,397 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 19:54:20,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903548576] [2022-03-01 19:54:20,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903548576] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 19:54:20,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 19:54:20,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-01 19:54:20,398 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134423652] [2022-03-01 19:54:20,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 19:54:20,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 19:54:20,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 19:54:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 19:54:20,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-03-01 19:54:20,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:20,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 19:54:20,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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) [2022-03-01 19:54:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:20,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:20,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5646 transitions and produced 2159 states. [2022-03-01 19:54:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 19:54:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 19:54:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 19:54:20,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-01 19:54:20,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 19:54:20,783 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-03-01 19:54:20,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 19:54:20,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1340258797, now seen corresponding path program 2 times [2022-03-01 19:54:20,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 19:54:20,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024727858] [2022-03-01 19:54:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 19:54:20,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 19:54:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 19:54:20,852 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 19:54:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 19:54:21,065 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 19:54:21,065 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 19:54:21,068 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-01 19:54:21,069 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-03-01 19:54:21,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-03-01 19:54:21,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2022-03-01 19:54:21,070 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-03-01 19:54:21,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-01 19:54:21,075 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-03-01 19:54:21,078 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 19:54:21,078 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 19:54:21,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 07:54:21 BasicIcfg [2022-03-01 19:54:21,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 19:54:21,199 INFO L158 Benchmark]: Toolchain (without parser) took 4291.47ms. Allocated memory was 206.6MB in the beginning and 574.6MB in the end (delta: 368.1MB). Free memory was 146.7MB in the beginning and 291.8MB in the end (delta: -145.1MB). Peak memory consumption was 347.6MB. Max. memory is 8.0GB. [2022-03-01 19:54:21,199 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 206.6MB. Free memory is still 164.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 19:54:21,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.90ms. Allocated memory was 206.6MB in the beginning and 294.6MB in the end (delta: 88.1MB). Free memory was 146.4MB in the beginning and 254.0MB in the end (delta: -107.6MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-03-01 19:54:21,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.03ms. Allocated memory is still 294.6MB. Free memory was 254.0MB in the beginning and 251.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-01 19:54:21,207 INFO L158 Benchmark]: Boogie Preprocessor took 28.47ms. Allocated memory is still 294.6MB. Free memory was 251.1MB in the beginning and 249.3MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 19:54:21,207 INFO L158 Benchmark]: RCFGBuilder took 672.64ms. Allocated memory is still 294.6MB. Free memory was 249.3MB in the beginning and 183.7MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-03-01 19:54:21,207 INFO L158 Benchmark]: TraceAbstraction took 3103.29ms. Allocated memory was 294.6MB in the beginning and 574.6MB in the end (delta: 280.0MB). Free memory was 183.2MB in the beginning and 291.8MB in the end (delta: -108.6MB). Peak memory consumption was 296.7MB. Max. memory is 8.0GB. [2022-03-01 19:54:21,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 206.6MB. Free memory is still 164.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 428.90ms. Allocated memory was 206.6MB in the beginning and 294.6MB in the end (delta: 88.1MB). Free memory was 146.4MB in the beginning and 254.0MB in the end (delta: -107.6MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.03ms. Allocated memory is still 294.6MB. Free memory was 254.0MB in the beginning and 251.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.47ms. Allocated memory is still 294.6MB. Free memory was 251.1MB in the beginning and 249.3MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 672.64ms. Allocated memory is still 294.6MB. Free memory was 249.3MB in the beginning and 183.7MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * TraceAbstraction took 3103.29ms. Allocated memory was 294.6MB in the beginning and 574.6MB in the end (delta: 280.0MB). Free memory was 183.2MB in the beginning and 291.8MB in the end (delta: -108.6MB). Peak memory consumption was 296.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 19]: 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_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L715] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L717] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L719] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0] [L720] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0] [L721] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L723] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L725] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L726] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L727] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L728] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L729] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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] [L730] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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] [L731] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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$r_buff1_thd0=0] [L732] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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_buff1_thd0=0, y$r_buff1_thd1=0] [L733] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L734] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L735] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L736] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L737] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L738] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L739] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$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] [L742] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L743] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L823] 0 pthread_t t835; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t835={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L824] FCALL, FORK 0 pthread_create(&t835, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t835, ((void *)0), P0, ((void *)0))=-1, t835={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L825] 0 pthread_t t836; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t835={5:0}, t836={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L826] FCALL, FORK 0 pthread_create(&t836, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t836, ((void *)0), P1, ((void *)0))=0, t835={5:0}, t836={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L781] 2 y$w_buff1 = y$w_buff0 [L782] 2 y$w_buff0 = 1 [L783] 2 y$w_buff1_used = y$w_buff0_used [L784] 2 y$w_buff0_used = (_Bool)1 [L785] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L785] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L786] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L787] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L788] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L789] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L792] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L795] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L798] 2 __unbuffered_p1_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L747] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L753] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L756] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L757] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L758] 1 y$flush_delayed = weak$$choice2 [L759] 1 y$mem_tmp = y [L760] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L760] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L761] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L761] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L761] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L761] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L762] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L762] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L762] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L763] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L763] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L763] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L764] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L765] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L765] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L765] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L766] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L766] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L766] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L766] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L767] 1 __unbuffered_p0_EBX = y [L768] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L768] 1 y = y$flush_delayed ? y$mem_tmp : y [L769] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L801] 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) [L801] 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) [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L802] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L803] 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 [L804] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L804] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L805] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L805] 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 [L808] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L810] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L774] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L828] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t835={5:0}, t836={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L830] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L830] RET 0 assume_abort_if_not(main$tmp_guard0) [L832] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L832] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L832] 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) [L832] 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) [L833] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L833] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L834] 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 [L835] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L835] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L836] 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 [L839] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t835={5:0}, t836={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L841] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L19] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=1, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 19]: 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: 826]: 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: 824]: 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 5 procedures, 123 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 357 ConstructedInterpolants, 0 QuantifiedInterpolants, 1859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2022-03-01 19:54:21,235 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 [2022-03-01 19:54:21,447 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...