/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 22:17:29,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 22:17:29,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 22:17:29,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 22:17:29,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 22:17:29,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 22:17:29,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 22:17:29,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 22:17:29,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 22:17:29,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 22:17:29,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 22:17:29,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 22:17:29,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 22:17:29,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 22:17:29,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 22:17:29,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 22:17:29,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 22:17:29,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 22:17:29,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 22:17:29,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 22:17:29,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 22:17:29,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 22:17:29,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 22:17:29,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 22:17:29,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 22:17:29,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 22:17:29,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 22:17:29,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 22:17:29,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 22:17:29,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 22:17:29,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 22:17:29,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 22:17:29,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 22:17:29,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 22:17:29,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 22:17:29,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 22:17:29,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 22:17:29,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 22:17:29,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 22:17:29,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 22:17:29,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 22:17:29,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-07 22:17:29,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 22:17:29,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 22:17:29,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 22:17:29,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 22:17:29,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 22:17:29,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 22:17:29,367 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 22:17:29,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 22:17:29,367 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 22:17:29,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 22:17:29,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 22:17:29,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 22:17:29,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 22:17:29,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 22:17:29,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 22:17:29,369 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 22:17:29,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 22:17:29,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 22:17:29,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 22:17:29,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 22:17:29,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 22:17:29,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 22:17:29,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 22:17:29,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:17:29,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 22:17:29,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 22:17:29,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 22:17:29,372 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 22:17:29,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 22:17:29,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 22:17:29,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 22:17:29,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 22:17:29,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 22:17:29,720 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 22:17:29,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i [2021-08-07 22:17:29,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9643cf1c/7fd8244f31224d72ba2aabbaf2ba9203/FLAGb274fb930 [2021-08-07 22:17:30,302 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 22:17:30,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i [2021-08-07 22:17:30,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9643cf1c/7fd8244f31224d72ba2aabbaf2ba9203/FLAGb274fb930 [2021-08-07 22:17:30,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9643cf1c/7fd8244f31224d72ba2aabbaf2ba9203 [2021-08-07 22:17:30,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 22:17:30,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 22:17:30,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 22:17:30,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 22:17:30,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 22:17:30,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:17:30" (1/1) ... [2021-08-07 22:17:30,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3679af88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:30, skipping insertion in model container [2021-08-07 22:17:30,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:17:30" (1/1) ... [2021-08-07 22:17:30,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 22:17:30,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 22:17:30,942 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i[949,962] [2021-08-07 22:17:31,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:17:31,139 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 22:17:31,150 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_pso.opt.i[949,962] [2021-08-07 22:17:31,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:17:31,228 INFO L208 MainTranslator]: Completed translation [2021-08-07 22:17:31,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31 WrapperNode [2021-08-07 22:17:31,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 22:17:31,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 22:17:31,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 22:17:31,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 22:17:31,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 22:17:31,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 22:17:31,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 22:17:31,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 22:17:31,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 22:17:31,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 22:17:31,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 22:17:31,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 22:17:31,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (1/1) ... [2021-08-07 22:17:31,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:17:31,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:17:31,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 22:17:31,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 22:17:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 22:17:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 22:17:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 22:17:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 22:17:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 22:17:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 22:17:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 22:17:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 22:17:31,371 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 22:17:31,768 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 22:17:31,768 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 22:17:31,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:17:31 BoogieIcfgContainer [2021-08-07 22:17:31,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 22:17:31,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 22:17:31,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 22:17:31,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 22:17:31,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 10:17:30" (1/3) ... [2021-08-07 22:17:31,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c464972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:17:31, skipping insertion in model container [2021-08-07 22:17:31,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:17:31" (2/3) ... [2021-08-07 22:17:31,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c464972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:17:31, skipping insertion in model container [2021-08-07 22:17:31,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:17:31" (3/3) ... [2021-08-07 22:17:31,779 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_pso.opt.i [2021-08-07 22:17:31,784 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 22:17:31,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 22:17:31,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 22:17:31,785 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 22:17:31,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,818 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,818 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,818 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,819 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,820 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,821 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,821 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,821 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,821 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,821 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,823 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,824 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,825 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,825 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,825 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,829 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,830 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,830 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,834 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,835 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:17:31,845 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 22:17:31,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 22:17:31,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:17:31,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 22:17:31,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 22:17:31,945 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 22:17:31,951 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 22:17:31,951 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 22:17:32,133 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:17:32,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:17:32,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1106217892, now seen corresponding path program 1 times [2021-08-07 22:17:32,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:17:32,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147014832] [2021-08-07 22:17:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:17:32,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:17:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:17:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:17:32,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:17:32,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147014832] [2021-08-07 22:17:32,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147014832] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:17:32,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:17:32,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 22:17:32,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395628903] [2021-08-07 22:17:32,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 22:17:32,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:17:32,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 22:17:32,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 22:17:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:32,355 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:17:32,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:17:32,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:32,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:32,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 22:17:32,382 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:17:32,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:17:32,386 INFO L82 PathProgramCache]: Analyzing trace with hash -350235188, now seen corresponding path program 1 times [2021-08-07 22:17:32,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:17:32,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062477100] [2021-08-07 22:17:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:17:32,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:17:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:17:32,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:17:32,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:17:32,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062477100] [2021-08-07 22:17:32,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062477100] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:17:32,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:17:32,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 22:17:32,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114619320] [2021-08-07 22:17:32,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 22:17:32,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:17:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 22:17:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-07 22:17:32,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:32,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:17:32,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:17:32,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:32,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:33,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:33,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:17:33,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 22:17:33,273 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:17:33,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:17:33,274 INFO L82 PathProgramCache]: Analyzing trace with hash -667111304, now seen corresponding path program 2 times [2021-08-07 22:17:33,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:17:33,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909596187] [2021-08-07 22:17:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:17:33,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:17:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:17:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:17:33,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:17:33,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909596187] [2021-08-07 22:17:33,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909596187] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:17:33,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:17:33,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:17:33,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458774453] [2021-08-07 22:17:33,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:17:33,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:17:33,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:17:33,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:17:33,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:33,408 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:17:33,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:17:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:17:33,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:17:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:17:33,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 22:17:33,931 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:17:33,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:17:33,931 INFO L82 PathProgramCache]: Analyzing trace with hash -2058217262, now seen corresponding path program 3 times [2021-08-07 22:17:33,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:17:33,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296683469] [2021-08-07 22:17:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:17:33,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:17:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:17:34,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:17:34,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:17:34,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296683469] [2021-08-07 22:17:34,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296683469] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:17:34,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:17:34,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 22:17:34,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746415692] [2021-08-07 22:17:34,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 22:17:34,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:17:34,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 22:17:34,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 22:17:34,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:34,043 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:17:34,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:17:34,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:34,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:17:34,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:17:34,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:34,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:17:34,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:17:34,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:17:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 22:17:34,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:17:34,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 22:17:34,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 22:17:34,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 22:17:34,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 22:17:34,526 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 22:17:34,526 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 22:17:34,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 10:17:34 BasicIcfg [2021-08-07 22:17:34,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 22:17:34,528 INFO L168 Benchmark]: Toolchain (without parser) took 3755.59 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 144.8 MB in the beginning and 110.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 71.9 MB. Max. memory is 8.0 GB. [2021-08-07 22:17:34,529 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 181.4 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 22:17:34,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.11 ms. Allocated memory is still 181.4 MB. Free memory was 144.7 MB in the beginning and 154.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-08-07 22:17:34,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.31 ms. Allocated memory is still 181.4 MB. Free memory was 154.2 MB in the beginning and 152.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:17:34,530 INFO L168 Benchmark]: Boogie Preprocessor took 19.64 ms. Allocated memory is still 181.4 MB. Free memory was 152.1 MB in the beginning and 151.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 22:17:34,530 INFO L168 Benchmark]: RCFGBuilder took 476.70 ms. Allocated memory is still 181.4 MB. Free memory was 151.1 MB in the beginning and 127.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:17:34,530 INFO L168 Benchmark]: TraceAbstraction took 2754.37 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 126.4 MB in the beginning and 110.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 8.0 GB. [2021-08-07 22:17:34,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 181.4 MB. Free memory is still 163.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 455.11 ms. Allocated memory is still 181.4 MB. Free memory was 144.7 MB in the beginning and 154.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.31 ms. Allocated memory is still 181.4 MB. Free memory was 154.2 MB in the beginning and 152.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.64 ms. Allocated memory is still 181.4 MB. Free memory was 152.1 MB in the beginning and 151.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 476.70 ms. Allocated memory is still 181.4 MB. Free memory was 151.1 MB in the beginning and 127.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2754.37 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 126.4 MB in the beginning and 110.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 53.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51259, positive: 49009, positive conditional: 47712, positive unconditional: 1297, negative: 2250, negative conditional: 2226, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49695, positive: 49009, positive conditional: 47712, positive unconditional: 1297, negative: 686, negative conditional: 662, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49695, positive: 49009, positive conditional: 47712, positive unconditional: 1297, negative: 686, negative conditional: 662, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51765, positive: 49009, positive conditional: 47682, positive unconditional: 1327, negative: 2756, negative conditional: 2070, negative unconditional: 686, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51765, positive: 49009, positive conditional: 16257, positive unconditional: 32752, negative: 2756, negative conditional: 145, negative unconditional: 2611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51765, positive: 49009, positive conditional: 16257, positive unconditional: 32752, negative: 2756, negative conditional: 145, negative unconditional: 2611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1366, positive: 1334, positive conditional: 19, positive unconditional: 1315, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1366, positive: 1310, positive conditional: 0, positive unconditional: 1310, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 69, positive conditional: 52, positive unconditional: 16, negative: 99, negative conditional: 9, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51765, positive: 47675, positive conditional: 16238, positive unconditional: 31437, negative: 2724, negative conditional: 137, negative unconditional: 2587, unknown: 1366, unknown conditional: 27, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 1366, Positive cache size: 1334, Positive conditional cache size: 19, Positive unconditional cache size: 1315, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 33350, Maximal queried relation: 4, Independence queries for same thread: 1564 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 333, Number of persistent set computation: 3356, Number of trivial persistent sets: 3066, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1321, positive: 1297, positive conditional: 0, positive unconditional: 1297, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 51259, positive: 49009, positive conditional: 47712, positive unconditional: 1297, negative: 2250, negative conditional: 2226, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49695, positive: 49009, positive conditional: 47712, positive unconditional: 1297, negative: 686, negative conditional: 662, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49695, positive: 49009, positive conditional: 47712, positive unconditional: 1297, negative: 686, negative conditional: 662, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51765, positive: 49009, positive conditional: 47682, positive unconditional: 1327, negative: 2756, negative conditional: 2070, negative unconditional: 686, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51765, positive: 49009, positive conditional: 16257, positive unconditional: 32752, negative: 2756, negative conditional: 145, negative unconditional: 2611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51765, positive: 49009, positive conditional: 16257, positive unconditional: 32752, negative: 2756, negative conditional: 145, negative unconditional: 2611, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1366, positive: 1334, positive conditional: 19, positive unconditional: 1315, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1366, positive: 1310, positive conditional: 0, positive unconditional: 1310, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 69, positive conditional: 52, positive unconditional: 16, negative: 99, negative conditional: 9, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51765, positive: 47675, positive conditional: 16238, positive unconditional: 31437, negative: 2724, negative conditional: 137, negative unconditional: 2587, unknown: 1366, unknown conditional: 27, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 1366, Positive cache size: 1334, Positive conditional cache size: 19, Positive unconditional cache size: 1315, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 33350, Maximal queried relation: 4, Independence queries for same thread: 1564 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2629.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 1771.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 129.8ms SatisfiabilityAnalysisTime, 484.5ms InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 22:17:34,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 22:17:34,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...