/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 13:52:46,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 13:52:46,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 13:52:46,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-06 13:52:46,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-06 13:52:46,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-06 13:52:46,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-06 13:52:46,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-06 13:52:46,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-06 13:52:46,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-06 13:52:46,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-06 13:52:46,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-06 13:52:46,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-06 13:52:46,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-06 13:52:46,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-06 13:52:46,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-06 13:52:46,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-06 13:52:46,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-06 13:52:46,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-06 13:52:46,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-06 13:52:46,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-06 13:52:46,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-06 13:52:46,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-06 13:52:46,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-06 13:52:46,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-06 13:52:46,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-06 13:52:46,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-06 13:52:46,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-06 13:52:46,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-06 13:52:46,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-06 13:52:46,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-06 13:52:46,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-06 13:52:46,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-06 13:52:46,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-06 13:52:46,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-06 13:52:46,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-06 13:52:46,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-06 13:52:46,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-06 13:52:46,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-06 13:52:46,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-06 13:52:46,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-06 13:52:46,521 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-FA-NoLbe.epf [2021-08-06 13:52:46,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 13:52:46,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 13:52:46,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-06 13:52:46,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-06 13:52:46,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 13:52:46,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 13:52:46,551 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 13:52:46,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 13:52:46,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 13:52:46,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 13:52:46,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 13:52:46,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 13:52:46,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 13:52:46,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 13:52:46,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 13:52:46,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 13:52:46,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 13:52:46,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 13:52:46,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 13:52:46,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-06 13:52:46,834 INFO L275 PluginConnector]: CDTParser initialized [2021-08-06 13:52:46,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2021-08-06 13:52:46,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226f9148d/80837e279c6d495a879a13fcb80962c0/FLAGcbe0cca41 [2021-08-06 13:52:47,403 INFO L306 CDTParser]: Found 1 translation units. [2021-08-06 13:52:47,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2021-08-06 13:52:47,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226f9148d/80837e279c6d495a879a13fcb80962c0/FLAGcbe0cca41 [2021-08-06 13:52:47,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/226f9148d/80837e279c6d495a879a13fcb80962c0 [2021-08-06 13:52:47,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 13:52:47,923 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-06 13:52:47,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-06 13:52:47,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-06 13:52:47,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-06 13:52:47,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 01:52:47" (1/1) ... [2021-08-06 13:52:47,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3443b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:47, skipping insertion in model container [2021-08-06 13:52:47,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 01:52:47" (1/1) ... [2021-08-06 13:52:47,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-06 13:52:47,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-06 13:52:48,104 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-06 13:52:48,404 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2021-08-06 13:52:48,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 13:52:48,427 INFO L203 MainTranslator]: Completed pre-run [2021-08-06 13:52:48,434 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-06 13:52:48,451 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2021-08-06 13:52:48,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 13:52:48,550 INFO L208 MainTranslator]: Completed translation [2021-08-06 13:52:48,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48 WrapperNode [2021-08-06 13:52:48,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-06 13:52:48,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 13:52:48,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 13:52:48,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 13:52:48,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 13:52:48,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 13:52:48,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 13:52:48,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 13:52:48,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 13:52:48,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 13:52:48,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 13:52:48,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 13:52:48,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (1/1) ... [2021-08-06 13:52:48,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 13:52:48,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 13:52:48,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-06 13:52:48,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-06 13:52:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-06 13:52:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-06 13:52:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 13:52:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-08-06 13:52:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-06 13:52:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-06 13:52:48,728 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 13:52:49,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 13:52:49,253 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-08-06 13:52:49,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 01:52:49 BoogieIcfgContainer [2021-08-06 13:52:49,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 13:52:49,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 13:52:49,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 13:52:49,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 13:52:49,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 01:52:47" (1/3) ... [2021-08-06 13:52:49,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27226cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 01:52:49, skipping insertion in model container [2021-08-06 13:52:49,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 01:52:48" (2/3) ... [2021-08-06 13:52:49,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27226cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 01:52:49, skipping insertion in model container [2021-08-06 13:52:49,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 01:52:49" (3/3) ... [2021-08-06 13:52:49,259 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2021-08-06 13:52:49,263 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 13:52:49,263 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 13:52:49,263 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-08-06 13:52:49,263 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 13:52:49,284 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,284 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,284 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,284 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,284 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,285 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,286 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,287 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,288 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,289 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,290 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,291 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,292 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,293 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,294 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,295 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,296 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,299 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,300 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,300 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,300 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,301 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,301 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,302 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 13:52:49,309 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-06 13:52:49,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 13:52:49,359 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 13:52:49,360 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-06 13:52:49,369 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 155 transitions, 332 flow [2021-08-06 13:52:49,521 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8323 states, 8311 states have (on average 2.8213211406569605) internal successors, (23448), 8322 states have internal predecessors, (23448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 8323 states, 8311 states have (on average 2.8213211406569605) internal successors, (23448), 8322 states have internal predecessors, (23448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-06 13:52:49,563 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 13:52:49,564 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 13:52:49,565 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-06 13:52:49,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 13:52:49,571 INFO L82 PathProgramCache]: Analyzing trace with hash 79131282, now seen corresponding path program 1 times [2021-08-06 13:52:49,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 13:52:49,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905716360] [2021-08-06 13:52:49,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 13:52:49,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 13:52:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 13:52:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 13:52:50,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 13:52:50,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905716360] [2021-08-06 13:52:50,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905716360] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 13:52:50,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 13:52:50,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-06 13:52:50,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357252364] [2021-08-06 13:52:50,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-06 13:52:50,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 13:52:50,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-06 13:52:50,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-06 13:52:50,122 INFO L87 Difference]: Start difference. First operand has 8323 states, 8311 states have (on average 2.8213211406569605) internal successors, (23448), 8322 states have internal predecessors, (23448), 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) Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:50,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 13:52:50,594 INFO L93 Difference]: Finished difference Result 10971 states and 30381 transitions. [2021-08-06 13:52:50,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-06 13:52:50,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) Word has length 48 [2021-08-06 13:52:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 13:52:50,659 INFO L225 Difference]: With dead ends: 10971 [2021-08-06 13:52:50,659 INFO L226 Difference]: Without dead ends: 9197 [2021-08-06 13:52:50,660 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 127.0ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-08-06 13:52:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9197 states. [2021-08-06 13:52:50,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9197 to 7212. [2021-08-06 13:52:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7212 states, 7203 states have (on average 2.752464251006525) internal successors, (19826), 7211 states have internal predecessors, (19826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7212 states to 7212 states and 19826 transitions. [2021-08-06 13:52:50,956 INFO L78 Accepts]: Start accepts. Automaton has 7212 states and 19826 transitions. Word has length 48 [2021-08-06 13:52:50,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 13:52:50,956 INFO L470 AbstractCegarLoop]: Abstraction has 7212 states and 19826 transitions. [2021-08-06 13:52:50,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 7212 states and 19826 transitions. [2021-08-06 13:52:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-06 13:52:50,960 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 13:52:50,960 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 13:52:50,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-06 13:52:50,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-06 13:52:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 13:52:50,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1534279196, now seen corresponding path program 1 times [2021-08-06 13:52:50,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 13:52:50,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609716371] [2021-08-06 13:52:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 13:52:50,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 13:52:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 13:52:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 13:52:51,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 13:52:51,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609716371] [2021-08-06 13:52:51,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609716371] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 13:52:51,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 13:52:51,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-06 13:52:51,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148202148] [2021-08-06 13:52:51,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-06 13:52:51,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 13:52:51,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-06 13:52:51,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-06 13:52:51,057 INFO L87 Difference]: Start difference. First operand 7212 states and 19826 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 13:52:51,367 INFO L93 Difference]: Finished difference Result 9859 states and 26909 transitions. [2021-08-06 13:52:51,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-06 13:52:51,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-08-06 13:52:51,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 13:52:51,398 INFO L225 Difference]: With dead ends: 9859 [2021-08-06 13:52:51,398 INFO L226 Difference]: Without dead ends: 8378 [2021-08-06 13:52:51,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 66.3ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-08-06 13:52:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8378 states. [2021-08-06 13:52:51,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8378 to 8114. [2021-08-06 13:52:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 8106 states have (on average 2.752899087095978) internal successors, (22315), 8113 states have internal predecessors, (22315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 22315 transitions. [2021-08-06 13:52:51,610 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 22315 transitions. Word has length 54 [2021-08-06 13:52:51,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 13:52:51,610 INFO L470 AbstractCegarLoop]: Abstraction has 8114 states and 22315 transitions. [2021-08-06 13:52:51,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 22315 transitions. [2021-08-06 13:52:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-08-06 13:52:51,618 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 13:52:51,618 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 13:52:51,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-06 13:52:51,618 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-06 13:52:51,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 13:52:51,619 INFO L82 PathProgramCache]: Analyzing trace with hash -795677943, now seen corresponding path program 1 times [2021-08-06 13:52:51,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 13:52:51,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026704753] [2021-08-06 13:52:51,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 13:52:51,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 13:52:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 13:52:51,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 13:52:51,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 13:52:51,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026704753] [2021-08-06 13:52:51,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026704753] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 13:52:51,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 13:52:51,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-06 13:52:51,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137372468] [2021-08-06 13:52:51,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-06 13:52:51,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 13:52:51,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-06 13:52:51,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-06 13:52:51,686 INFO L87 Difference]: Start difference. First operand 8114 states and 22315 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) [2021-08-06 13:52:51,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 13:52:51,730 INFO L93 Difference]: Finished difference Result 3194 states and 8459 transitions. [2021-08-06 13:52:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-06 13:52:51,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) Word has length 68 [2021-08-06 13:52:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 13:52:51,737 INFO L225 Difference]: With dead ends: 3194 [2021-08-06 13:52:51,737 INFO L226 Difference]: Without dead ends: 3194 [2021-08-06 13:52:51,737 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-06 13:52:51,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2021-08-06 13:52:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 3194. [2021-08-06 13:52:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3188 states have (on average 2.653387703889586) internal successors, (8459), 3193 states have internal predecessors, (8459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 8459 transitions. [2021-08-06 13:52:51,795 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 8459 transitions. Word has length 68 [2021-08-06 13:52:51,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 13:52:51,796 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 8459 transitions. [2021-08-06 13:52:51,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) [2021-08-06 13:52:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 8459 transitions. [2021-08-06 13:52:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-08-06 13:52:51,800 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 13:52:51,801 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 13:52:51,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-06 13:52:51,801 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-06 13:52:51,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 13:52:51,801 INFO L82 PathProgramCache]: Analyzing trace with hash 727949792, now seen corresponding path program 1 times [2021-08-06 13:52:51,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 13:52:51,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659509302] [2021-08-06 13:52:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 13:52:51,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 13:52:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 13:52:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 13:52:51,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 13:52:51,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659509302] [2021-08-06 13:52:51,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659509302] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 13:52:51,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 13:52:51,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-06 13:52:51,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176109867] [2021-08-06 13:52:51,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 13:52:51,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 13:52:51,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 13:52:51,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 13:52:51,875 INFO L87 Difference]: Start difference. First operand 3194 states and 8459 transitions. Second operand has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:51,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 13:52:51,978 INFO L93 Difference]: Finished difference Result 3251 states and 8550 transitions. [2021-08-06 13:52:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 13:52:51,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-08-06 13:52:51,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 13:52:51,991 INFO L225 Difference]: With dead ends: 3251 [2021-08-06 13:52:51,992 INFO L226 Difference]: Without dead ends: 3251 [2021-08-06 13:52:51,992 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 13:52:51,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2021-08-06 13:52:52,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 3202. [2021-08-06 13:52:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3202 states, 3196 states have (on average 2.650500625782228) internal successors, (8471), 3201 states have internal predecessors, (8471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 3202 states and 8471 transitions. [2021-08-06 13:52:52,039 INFO L78 Accepts]: Start accepts. Automaton has 3202 states and 8471 transitions. Word has length 77 [2021-08-06 13:52:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 13:52:52,040 INFO L470 AbstractCegarLoop]: Abstraction has 3202 states and 8471 transitions. [2021-08-06 13:52:52,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 8471 transitions. [2021-08-06 13:52:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-08-06 13:52:52,047 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 13:52:52,047 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 13:52:52,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-06 13:52:52,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-06 13:52:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 13:52:52,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1091607446, now seen corresponding path program 1 times [2021-08-06 13:52:52,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 13:52:52,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558605285] [2021-08-06 13:52:52,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 13:52:52,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 13:52:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 13:52:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 13:52:52,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 13:52:52,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558605285] [2021-08-06 13:52:52,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558605285] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 13:52:52,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 13:52:52,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-06 13:52:52,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71051165] [2021-08-06 13:52:52,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 13:52:52,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 13:52:52,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 13:52:52,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 13:52:52,159 INFO L87 Difference]: Start difference. First operand 3202 states and 8471 transitions. Second operand has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 13:52:52,212 INFO L93 Difference]: Finished difference Result 3247 states and 8540 transitions. [2021-08-06 13:52:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 13:52:52,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-08-06 13:52:52,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 13:52:52,218 INFO L225 Difference]: With dead ends: 3247 [2021-08-06 13:52:52,218 INFO L226 Difference]: Without dead ends: 3247 [2021-08-06 13:52:52,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 13:52:52,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3247 states. [2021-08-06 13:52:52,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3247 to 3210. [2021-08-06 13:52:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3210 states, 3204 states have (on average 2.6513732833957553) internal successors, (8495), 3209 states have internal predecessors, (8495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 8495 transitions. [2021-08-06 13:52:52,264 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 8495 transitions. Word has length 78 [2021-08-06 13:52:52,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 13:52:52,265 INFO L470 AbstractCegarLoop]: Abstraction has 3210 states and 8495 transitions. [2021-08-06 13:52:52,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 13:52:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 8495 transitions. [2021-08-06 13:52:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-06 13:52:52,292 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 13:52:52,292 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-06 13:52:52,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-06 13:52:52,293 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-08-06 13:52:52,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 13:52:52,293 INFO L82 PathProgramCache]: Analyzing trace with hash 759234924, now seen corresponding path program 1 times [2021-08-06 13:52:52,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 13:52:52,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968353006] [2021-08-06 13:52:52,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 13:52:52,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 13:52:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-06 13:52:52,330 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-06 13:52:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-06 13:52:52,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-06 13:52:52,386 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-06 13:52:52,386 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 13:52:52,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 13:52:52,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-06 13:52:52,393 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 13:52:52,393 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 13:52:52,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 01:52:52 BasicIcfg [2021-08-06 13:52:52,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 13:52:52,448 INFO L168 Benchmark]: Toolchain (without parser) took 4524.76 ms. Allocated memory was 161.5 MB in the beginning and 669.0 MB in the end (delta: 507.5 MB). Free memory was 141.8 MB in the beginning and 516.2 MB in the end (delta: -374.5 MB). Peak memory consumption was 133.5 MB. Max. memory is 8.0 GB. [2021-08-06 13:52:52,448 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 127.9 MB. Free memory was 108.4 MB in the beginning and 108.3 MB in the end (delta: 139.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 13:52:52,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.03 ms. Allocated memory is still 161.5 MB. Free memory was 141.8 MB in the beginning and 122.3 MB in the end (delta: 19.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-08-06 13:52:52,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.11 ms. Allocated memory is still 161.5 MB. Free memory was 122.3 MB in the beginning and 119.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-06 13:52:52,449 INFO L168 Benchmark]: Boogie Preprocessor took 45.49 ms. Allocated memory is still 161.5 MB. Free memory was 119.1 MB in the beginning and 116.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-06 13:52:52,449 INFO L168 Benchmark]: RCFGBuilder took 600.73 ms. Allocated memory is still 161.5 MB. Free memory was 116.0 MB in the beginning and 95.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 8.0 GB. [2021-08-06 13:52:52,449 INFO L168 Benchmark]: TraceAbstraction took 3191.02 ms. Allocated memory was 161.5 MB in the beginning and 669.0 MB in the end (delta: 507.5 MB). Free memory was 95.1 MB in the beginning and 516.2 MB in the end (delta: -421.1 MB). Peak memory consumption was 85.9 MB. Max. memory is 8.0 GB. [2021-08-06 13:52:52,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 127.9 MB. Free memory was 108.4 MB in the beginning and 108.3 MB in the end (delta: 139.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 627.03 ms. Allocated memory is still 161.5 MB. Free memory was 141.8 MB in the beginning and 122.3 MB in the end (delta: 19.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.11 ms. Allocated memory is still 161.5 MB. Free memory was 122.3 MB in the beginning and 119.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.49 ms. Allocated memory is still 161.5 MB. Free memory was 119.1 MB in the beginning and 116.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 600.73 ms. Allocated memory is still 161.5 MB. Free memory was 116.0 MB in the beginning and 95.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3191.02 ms. Allocated memory was 161.5 MB in the beginning and 669.0 MB in the end (delta: 507.5 MB). Free memory was 95.1 MB in the beginning and 516.2 MB in the end (delta: -421.1 MB). Peak memory consumption was 85.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={8:0}, t2={9:0}] [L1739] 0 return 0; VAL [t1={8:0}, t2={9:0}] [L1745] 0 int ret = my_drv_init(); VAL [t1={8:0}, t2={9:0}] [L1746] COND TRUE 0 ret==0 VAL [t1={8:0}, t2={9:0}] [L1747] 0 int probe_ret; VAL [t1={8:0}, t2={9:0}] [L1748] 0 struct my_data data; VAL [t1={8:0}, t2={9:0}] [L1706] 0 struct device *d = &data->dev; VAL [t1={8:0}, t2={9:0}] [L1708] 0 data->shared.a = 0 VAL [t1={8:0}, t2={9:0}] [L1709] 0 data->shared.b = 0 VAL [t1={8:0}, t2={9:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [t1={8:0}, t2={9:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [t1={8:0}, t2={9:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={10:24}, t1={8:0}, t2={9:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1690] 1 struct my_data *data; VAL [arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, dev={10:24}, t1={8:0}, t2={9:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1694] 1 data->shared.a = 1 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, t1={8:0}, t2={9:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [__mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1703] 1 return 0; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1715] 0 return 0; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, pthread_mutex_lock (&data->lock)=0, t1={8:0}, t2={9:0}] [L1749] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1750] COND TRUE 0 probe_ret==0 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1721] 0 void *status; VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1722] 0 \read(t1) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] [L1730] 0 data->shared.a [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={10:24}, arg={10:24}, arg={10:24}, data={10:0}, dev={10:24}, lb=0, t1={8:0}, t2={9:0}] - UnprovableResult [Line: 1675]: 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: 1675]: 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: 1675]: 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: 1675]: 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: 1675]: 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: 1714]: 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: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 163 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3037.8ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 90.3ms, AutomataDifference: 1149.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 161.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 890 SDtfs, 922 SDslu, 1923 SDs, 0 SdLazy, 443 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 344.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 223.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8323occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 613.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 2335 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.5ms SsaConstructionTime, 226.7ms SatisfiabilityAnalysisTime, 448.6ms InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 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! [2021-08-06 13:52:52,477 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...