/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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 19:38:07,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 19:38:07,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 19:38:07,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 19:38:07,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 19:38:07,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 19:38:07,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 19:38:07,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 19:38:07,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 19:38:07,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 19:38:07,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 19:38:07,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 19:38:07,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 19:38:07,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 19:38:07,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 19:38:07,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 19:38:07,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 19:38:07,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 19:38:07,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 19:38:07,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 19:38:07,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 19:38:07,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 19:38:08,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 19:38:08,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 19:38:08,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 19:38:08,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 19:38:08,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 19:38:08,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 19:38:08,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 19:38:08,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 19:38:08,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 19:38:08,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 19:38:08,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 19:38:08,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 19:38:08,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 19:38:08,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 19:38:08,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 19:38:08,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 19:38:08,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 19:38:08,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 19:38:08,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 19:38:08,022 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-MCRwithoutDepranks.epf [2022-02-16 19:38:08,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 19:38:08,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 19:38:08,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 19:38:08,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 19:38:08,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 19:38:08,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 19:38:08,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 19:38:08,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 19:38:08,050 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 19:38:08,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 19:38:08,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 19:38:08,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 19:38:08,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 19:38:08,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 19:38:08,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 19:38:08,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 19:38:08,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 19:38:08,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 19:38:08,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 19:38:08,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 19:38:08,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 19:38:08,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 19:38:08,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 19:38:08,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 19:38:08,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 19:38:08,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 19:38:08,271 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 19:38:08,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-02-16 19:38:08,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd8aaec1/df7d54addbd94083a856aba6b32ac765/FLAGd3c28cb78 [2022-02-16 19:38:08,615 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 19:38:08,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2022-02-16 19:38:08,615 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 19:38:08,615 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 19:38:08,616 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-16 19:38:08,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd8aaec1/df7d54addbd94083a856aba6b32ac765/FLAGd3c28cb78 [2022-02-16 19:38:09,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dd8aaec1/df7d54addbd94083a856aba6b32ac765 [2022-02-16 19:38:09,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 19:38:09,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 19:38:09,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 19:38:09,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 19:38:09,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 19:38:09,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd93751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09, skipping insertion in model container [2022-02-16 19:38:09,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 19:38:09,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 19:38:09,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 19:38:09,241 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 19:38:09,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 19:38:09,262 INFO L208 MainTranslator]: Completed translation [2022-02-16 19:38:09,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09 WrapperNode [2022-02-16 19:38:09,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 19:38:09,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 19:38:09,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 19:38:09,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 19:38:09,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,288 INFO L137 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-02-16 19:38:09,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 19:38:09,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 19:38:09,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 19:38:09,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 19:38:09,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 19:38:09,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 19:38:09,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 19:38:09,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 19:38:09,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (1/1) ... [2022-02-16 19:38:09,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 19:38:09,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:38:09,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 19:38:09,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 19:38:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2022-02-16 19:38:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2022-02-16 19:38:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 19:38:09,388 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 19:38:09,460 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 19:38:09,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 19:38:09,589 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 19:38:09,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 19:38:09,594 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-16 19:38:09,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 07:38:09 BoogieIcfgContainer [2022-02-16 19:38:09,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 19:38:09,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 19:38:09,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 19:38:09,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 19:38:09,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 07:38:09" (1/3) ... [2022-02-16 19:38:09,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb2a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 07:38:09, skipping insertion in model container [2022-02-16 19:38:09,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 07:38:09" (2/3) ... [2022-02-16 19:38:09,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfb2a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 07:38:09, skipping insertion in model container [2022-02-16 19:38:09,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 07:38:09" (3/3) ... [2022-02-16 19:38:09,601 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2022-02-16 19:38:09,604 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 19:38:09,604 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 19:38:09,604 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 19:38:09,604 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 19:38:09,642 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,642 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,642 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,642 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,643 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,644 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,644 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,644 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,644 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,644 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,644 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,645 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,645 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,645 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,645 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,646 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,647 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,647 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,647 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,647 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,647 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,648 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,648 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,648 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,648 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,649 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,649 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,649 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,649 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,652 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,652 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,653 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,654 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:09,666 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-16 19:38:09,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 19:38:09,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:38:09,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 19:38:09,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 19:38:09,748 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 19:38:09,754 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 19:38:09,755 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-16 19:38:09,770 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 63 transitions, 134 flow [2022-02-16 19:38:09,838 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 393 states, 390 states have (on average 1.9102564102564104) internal successors, (745), 392 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 19:38:10,293 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 63 transitions and produced 64 states. [2022-02-16 19:38:10,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 19:38:10,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:38:10,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1142084012, now seen corresponding path program 1 times [2022-02-16 19:38:10,310 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:38:10,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663377111] [2022-02-16 19:38:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:38:10,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:38:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:38:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-16 19:38:10,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 19:38:10,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663377111] [2022-02-16 19:38:10,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663377111] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 19:38:10,617 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 19:38:10,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-16 19:38:10,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919228296] [2022-02-16 19:38:10,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 19:38:10,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-16 19:38:10,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 19:38:10,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-16 19:38:10,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-16 19:38:10,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:38:10,644 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 19:38:10,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 19:38:10,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:38:23,939 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1607 transitions and produced 1608 states. [2022-02-16 19:38:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 19:38:23,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 19:38:23,942 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 19:38:23,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:38:23,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1949619362, now seen corresponding path program 1 times [2022-02-16 19:38:23,943 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:38:23,943 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25031632] [2022-02-16 19:38:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:38:23,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:38:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 19:38:23,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 19:38:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 19:38:24,002 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 19:38:24,003 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 19:38:24,004 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-02-16 19:38:24,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 3 remaining) [2022-02-16 19:38:24,005 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 3 remaining) [2022-02-16 19:38:24,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 19:38:24,010 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-16 19:38:24,012 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-16 19:38:24,012 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-16 19:38:24,030 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,031 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,032 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,033 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,033 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,033 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,033 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,033 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,034 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,035 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,035 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,035 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,035 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,035 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,035 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,036 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,036 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,036 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,036 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,036 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,036 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,037 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,037 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,037 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,037 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,037 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,037 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,038 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,039 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,039 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,039 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,039 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,039 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,039 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,040 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,041 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,041 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,041 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,041 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,041 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,041 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,042 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,042 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,042 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,042 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,042 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,042 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,043 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,047 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,047 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,047 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,048 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,049 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,050 WARN L322 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,050 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,050 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,050 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,050 WARN L322 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 19:38:24,052 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-16 19:38:24,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 19:38:24,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:38:24,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 19:38:24,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 19:38:24,063 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 19:38:24,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 19:38:24,064 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 85 transitions, 188 flow [2022-02-16 19:38:24,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-02-16 19:38:24,270 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8678 states, 8670 states have (on average 2.8238754325259516) internal successors, (24483), 8677 states have internal predecessors, (24483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 19:38:24,507 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 63 transitions and produced 64 states. [2022-02-16 19:38:24,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 19:38:24,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:38:24,508 INFO L85 PathProgramCache]: Analyzing trace with hash 863289440, now seen corresponding path program 1 times [2022-02-16 19:38:24,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:38:24,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685458388] [2022-02-16 19:38:24,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:38:24,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:38:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:38:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-16 19:38:24,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 19:38:24,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685458388] [2022-02-16 19:38:24,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685458388] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 19:38:24,590 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 19:38:24,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-16 19:38:24,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891553593] [2022-02-16 19:38:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 19:38:24,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-16 19:38:24,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 19:38:24,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-16 19:38:24,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-16 19:38:24,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:38:24,594 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 19:38:24,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 19:38:24,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:38:39,418 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1667 transitions and produced 1668 states. [2022-02-16 19:38:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 19:38:39,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 19:38:39,419 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 19:38:39,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:38:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash -446158857, now seen corresponding path program 1 times [2022-02-16 19:38:39,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:38:39,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650491864] [2022-02-16 19:38:39,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:38:39,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:38:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:38:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:38:39,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 19:38:39,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650491864] [2022-02-16 19:38:39,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650491864] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 19:38:39,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288376306] [2022-02-16 19:38:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:38:39,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 19:38:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 19:38:39,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 19:38:39,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 19:38:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 19:38:39,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-16 19:38:39,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 19:38:39,907 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-16 19:38:39,920 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-16 19:38:39,920 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-16 19:38:39,938 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 19:38:39,989 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-16 19:38:40,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-16 19:38:40,153 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-16 19:38:40,265 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-16 19:38:40,302 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-16 19:38:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 19:38:40,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 19:38:40,442 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1)) is different from false [2022-02-16 19:38:40,478 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (not (<= v_ArrVal_66 (+ |c_ULTIMATE.start_main_#t~post7#1| 1))))) is different from false [2022-02-16 19:38:40,491 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ |c_ULTIMATE.start_main_#t~mem6#1| 1) v_ArrVal_66))) is different from false [2022-02-16 19:38:40,520 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_66 Int)) (let ((.cse0 (select |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_66)))) is different from false [2022-02-16 19:38:40,595 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_64 (Array Int Int)) (v_ArrVal_66 Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_64))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#i~0#1.base|))) (or (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#i~0#1.base| (store .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset| v_ArrVal_66)) |c_ULTIMATE.start_main_~#tid~0#1.base| v_ArrVal_67) |c_ULTIMATE.start_main_~#i~0#1.base|) |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) (< (+ (select .cse1 |c_ULTIMATE.start_main_~#i~0#1.offset|) 1) v_ArrVal_66))))) is different from false [2022-02-16 19:38:40,679 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 19:38:40,680 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 45 [2022-02-16 19:38:40,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 71 [2022-02-16 19:38:40,700 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2022-02-16 19:38:40,704 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-02-16 19:38:40,742 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 18 not checked. [2022-02-16 19:38:40,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288376306] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 19:38:40,743 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 19:38:40,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 14] total 31 [2022-02-16 19:38:40,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900027812] [2022-02-16 19:38:40,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 19:38:40,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-16 19:38:40,744 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 19:38:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-16 19:38:40,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=530, Unknown=5, NotChecked=260, Total=930 [2022-02-16 19:38:40,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:38:40,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 19:38:40,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.096774193548387) internal successors, (158), 31 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 19:38:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-16 19:38:40,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 19:38:42,443 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 155 states. [2022-02-16 19:38:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-16 19:38:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 19:38:42,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 19:38:42,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 19:38:42,645 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting myThreadErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT] === [2022-02-16 19:38:42,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 19:38:42,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1003066077, now seen corresponding path program 1 times [2022-02-16 19:38:42,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 19:38:42,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814257913] [2022-02-16 19:38:42,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 19:38:42,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 19:38:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 19:38:42,676 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 19:38:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 19:38:42,725 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 19:38:42,725 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 19:38:42,725 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location myThreadErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 19:38:42,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 19:38:42,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (1 of 4 remaining) [2022-02-16 19:38:42,726 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location myThreadErr0ASSERT_VIOLATIONASSERT (0 of 4 remaining) [2022-02-16 19:38:42,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-16 19:38:42,727 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-16 19:38:42,730 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-02-16 19:38:42,730 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 19:38:42,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 07:38:42 BasicIcfg [2022-02-16 19:38:42,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 19:38:42,785 INFO L158 Benchmark]: Toolchain (without parser) took 33734.68ms. Allocated memory was 190.8MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 133.3MB in the beginning and 1.1GB in the end (delta: -983.8MB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-02-16 19:38:42,785 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 19:38:42,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.96ms. Allocated memory is still 190.8MB. Free memory was 133.1MB in the beginning and 161.1MB in the end (delta: -27.9MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-02-16 19:38:42,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.26ms. Allocated memory is still 190.8MB. Free memory was 161.1MB in the beginning and 159.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 19:38:42,786 INFO L158 Benchmark]: Boogie Preprocessor took 26.23ms. Allocated memory is still 190.8MB. Free memory was 159.5MB in the beginning and 158.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 19:38:42,786 INFO L158 Benchmark]: RCFGBuilder took 279.78ms. Allocated memory is still 190.8MB. Free memory was 158.5MB in the beginning and 148.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-16 19:38:42,786 INFO L158 Benchmark]: TraceAbstraction took 33187.98ms. Allocated memory was 190.8MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 147.5MB in the beginning and 1.1GB in the end (delta: -969.6MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-02-16 19:38:42,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 209.96ms. Allocated memory is still 190.8MB. Free memory was 133.1MB in the beginning and 161.1MB in the end (delta: -27.9MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.26ms. Allocated memory is still 190.8MB. Free memory was 161.1MB in the beginning and 159.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.23ms. Allocated memory is still 190.8MB. Free memory was 159.5MB in the beginning and 158.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 279.78ms. Allocated memory is still 190.8MB. Free memory was 158.5MB in the beginning and 148.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 33187.98ms. Allocated memory was 190.8MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 147.5MB in the beginning and 1.1GB in the end (delta: -969.6MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; VAL [g=0] [L21] 0 static int s = 0; VAL [g=0, s=0] [L30] 0 int i; VAL [g=0, i={5:0}, s=0] [L31] 0 pthread_t tid; VAL [g=0, i={5:0}, s=0, tid={3:0}] [L34] 0 i = 0 VAL [g=0, i={5:0}, s=0, tid={3:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, i={5:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-2, s=0, tid={3:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=0, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L34] 0 i++ VAL [\read(i)=0, g=0, i={5:0}, i++=0, s=0, tid={3:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=1, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=1, g=0, i={5:0}, s=0, tid={3:0}, vargp={5:0}] [L20] 1 int *myid = (int *)vargp; VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L22] 1 ++g VAL [g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 \read(*myid) VAL [\read(*myid)=1, g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 ++s VAL [++s=2, \read(*myid)=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 1 ++g VAL [++g=2, ++s=2, \read(*myid)=1, g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L25] 1 CodeAnnotStmt[Assertion] VAL [g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=2, i={5:0}, myid={5:0}, pthread_create(&tid, NULL, myThread, (void *)&i)=-1, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=1, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] 0 i++ VAL [\read(i)=1, g=2, i={5:0}, i++=1, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [\read(i)=2, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [\read(i)=2, g=2, i={5:0}, myid={5:0}, s=2, tid={3:0}, vargp={5:0}, vargp={5:0}] [L20] 2 int *myid = (int *)vargp; VAL [g=2, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L22] 2 ++s VAL [g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L22] 2 ++g VAL [g=3, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 \read(*myid) VAL [\read(*myid)=2, g=3, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 ++s VAL [++s=4, \read(*myid)=2, g=3, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] [L24] 2 ++g VAL [++g=4, ++s=4, \read(*myid)=2, g=4, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] [L25] 2 CodeAnnotStmt[Assertion] VAL [g=4, myid={5:0}, s=4, vargp={5:0}, vargp={5:0}] - UnprovableResult [Line: 35]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 13.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=393occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 105 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 16.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8678occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 295 ConstructedInterpolants, 20 QuantifiedInterpolants, 2031 SizeOfPredicates, 10 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-16 19:38:42,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-02-16 19:38:43,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-16 19:38:43,220 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...