/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-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 09:00:49,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 09:00:49,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 09:00:49,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 09:00:49,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 09:00:49,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 09:00:49,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 09:00:49,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 09:00:49,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 09:00:49,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 09:00:49,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 09:00:49,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 09:00:49,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 09:00:49,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 09:00:49,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 09:00:49,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 09:00:49,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 09:00:49,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 09:00:49,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 09:00:49,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 09:00:49,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 09:00:49,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 09:00:49,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 09:00:49,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 09:00:49,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 09:00:49,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 09:00:49,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 09:00:49,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 09:00:49,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 09:00:49,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 09:00:49,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 09:00:49,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 09:00:49,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 09:00:49,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 09:00:49,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 09:00:49,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 09:00:49,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 09:00:49,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 09:00:49,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 09:00:49,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 09:00:49,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 09:00:49,276 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-Lazy.epf [2022-02-20 09:00:49,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 09:00:49,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 09:00:49,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 09:00:49,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 09:00:49,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 09:00:49,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 09:00:49,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 09:00:49,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 09:00:49,295 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 09:00:49,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 09:00:49,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 09:00:49,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 09:00:49,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 09:00:49,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 09:00:49,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 09:00:49,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 09:00:49,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 09:00:49,296 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 09:00:49,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 09:00:49,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 09:00:49,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 09:00:49,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 09:00:49,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 09:00:49,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 09:00:49,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 09:00:49,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 09:00:49,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 09:00:49,298 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 09:00:49,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 09:00:49,299 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 09:00:49,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 09:00:49,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 09:00:49,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 09:00:49,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 09:00:49,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 09:00:49,551 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 09:00:49,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2022-02-20 09:00:49,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15910e25c/2e96827d7f104ed5a3ce97717900c326/FLAG7731d6b1c [2022-02-20 09:00:50,024 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 09:00:50,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2022-02-20 09:00:50,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15910e25c/2e96827d7f104ed5a3ce97717900c326/FLAG7731d6b1c [2022-02-20 09:00:50,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15910e25c/2e96827d7f104ed5a3ce97717900c326 [2022-02-20 09:00:50,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 09:00:50,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-20 09:00:50,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 09:00:50,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 09:00:50,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 09:00:50,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a422450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50, skipping insertion in model container [2022-02-20 09:00:50,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 09:00:50,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 09:00:50,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-02-20 09:00:50,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 09:00:50,340 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 09:00:50,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-02-20 09:00:50,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 09:00:50,396 INFO L208 MainTranslator]: Completed translation [2022-02-20 09:00:50,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50 WrapperNode [2022-02-20 09:00:50,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 09:00:50,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 09:00:50,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 09:00:50,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 09:00:50,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,450 INFO L137 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 101 [2022-02-20 09:00:50,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 09:00:50,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 09:00:50,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 09:00:50,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 09:00:50,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 09:00:50,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 09:00:50,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 09:00:50,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 09:00:50,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (1/1) ... [2022-02-20 09:00:50,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 09:00:50,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 09:00:50,537 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) [2022-02-20 09:00:50,548 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 [2022-02-20 09:00:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 09:00:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 09:00:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 09:00:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 09:00:50,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 09:00:50,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 09:00:50,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 09:00:50,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 09:00:50,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 09:00:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 09:00:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 09:00:50,577 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 09:00:50,654 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 09:00:50,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 09:00:50,963 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 09:00:51,045 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 09:00:51,045 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 09:00:51,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:00:51 BoogieIcfgContainer [2022-02-20 09:00:51,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 09:00:51,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 09:00:51,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 09:00:51,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 09:00:51,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 09:00:50" (1/3) ... [2022-02-20 09:00:51,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aac723b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:00:51, skipping insertion in model container [2022-02-20 09:00:51,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 09:00:50" (2/3) ... [2022-02-20 09:00:51,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aac723b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 09:00:51, skipping insertion in model container [2022-02-20 09:00:51,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 09:00:51" (3/3) ... [2022-02-20 09:00:51,061 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2022-02-20 09:00:51,068 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 09:00:51,069 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 09:00:51,069 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 09:00:51,069 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 09:00:51,111 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,112 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,112 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,113 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,113 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,113 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,113 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,114 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,115 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,116 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,116 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,117 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,117 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,117 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,118 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,118 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,118 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,119 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,119 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,119 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,119 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,120 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,120 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,121 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,121 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,122 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,122 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,122 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,123 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,123 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,123 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,124 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,124 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,124 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,124 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,125 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,126 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,127 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,127 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,128 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,128 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,129 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,129 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,129 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,130 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,134 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,134 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,135 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,136 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,137 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,137 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 09:00:51,142 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 09:00:51,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 09:00:51,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 09:00:51,185 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) [2022-02-20 09:00:51,208 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 [2022-02-20 09:00:51,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 09:00:51,230 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 09:00:51,230 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 09:00:51,647 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 168 transitions and produced 169 states. [2022-02-20 09:00:51,650 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 09:00:51,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 09:00:51,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1784919804, now seen corresponding path program 1 times [2022-02-20 09:00:51,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 09:00:51,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146220065] [2022-02-20 09:00:51,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:51,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 09:00:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:51,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 09:00:51,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146220065] [2022-02-20 09:00:51,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146220065] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 09:00:51,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 09:00:51,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 09:00:51,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047196507] [2022-02-20 09:00:51,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 09:00:51,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 09:00:51,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 09:00:51,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 09:00:51,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 09:00:51,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:51,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 09:00:51,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-02-20 09:00:51,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:52,202 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 168 transitions and produced 169 states. [2022-02-20 09:00:52,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:52,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 09:00:52,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 09:00:52,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 09:00:52,207 INFO L85 PathProgramCache]: Analyzing trace with hash -254548182, now seen corresponding path program 1 times [2022-02-20 09:00:52,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 09:00:52,207 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979212947] [2022-02-20 09:00:52,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:52,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 09:00:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:52,566 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 09:00:52,566 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979212947] [2022-02-20 09:00:52,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979212947] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 09:00:52,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 09:00:52,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 09:00:52,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596455212] [2022-02-20 09:00:52,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 09:00:52,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 09:00:52,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 09:00:52,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 09:00:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-02-20 09:00:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:52,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 09:00:52,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2022-02-20 09:00:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:52,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:52,936 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 189 transitions and produced 190 states. [2022-02-20 09:00:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:00:52,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 09:00:52,938 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 09:00:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 09:00:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash 621554816, now seen corresponding path program 1 times [2022-02-20 09:00:52,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 09:00:52,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597951710] [2022-02-20 09:00:52,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:52,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 09:00:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:53,150 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 09:00:53,151 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597951710] [2022-02-20 09:00:53,151 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597951710] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 09:00:53,152 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850723971] [2022-02-20 09:00:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 09:00:53,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 09:00:53,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 09:00:53,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 09:00:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:53,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-20 09:00:53,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 09:00:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:53,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 09:00:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:53,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850723971] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-20 09:00:53,968 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-20 09:00:53,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-20 09:00:53,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200512113] [2022-02-20 09:00:53,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 09:00:53,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 09:00:53,970 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 09:00:53,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 09:00:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-20 09:00:53,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:53,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 09:00:53,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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) [2022-02-20 09:00:53,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:53,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:00:53,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:54,320 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 206 transitions and produced 207 states. [2022-02-20 09:00:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:00:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 09:00:54,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 09:00:54,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-20 09:00:54,540 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 09:00:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 09:00:54,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2130756329, now seen corresponding path program 1 times [2022-02-20 09:00:54,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 09:00:54,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991488037] [2022-02-20 09:00:54,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:54,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 09:00:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 09:00:54,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 09:00:54,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991488037] [2022-02-20 09:00:54,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991488037] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 09:00:54,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148120111] [2022-02-20 09:00:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:54,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 09:00:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 09:00:54,704 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) [2022-02-20 09:00:54,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 09:00:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:54,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 09:00:54,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 09:00:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 09:00:55,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 09:00:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 09:00:55,330 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148120111] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-20 09:00:55,330 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-20 09:00:55,330 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-02-20 09:00:55,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250924075] [2022-02-20 09:00:55,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 09:00:55,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 09:00:55,331 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 09:00:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 09:00:55,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-02-20 09:00:55,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:55,333 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 09:00:55,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 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) [2022-02-20 09:00:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:00:55,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 09:00:55,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:55,662 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 218 transitions and produced 219 states. [2022-02-20 09:00:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:00:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 09:00:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 09:00:55,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 09:00:55,879 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 [2022-02-20 09:00:55,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 09:00:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 09:00:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1702414692, now seen corresponding path program 1 times [2022-02-20 09:00:55,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 09:00:55,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735488776] [2022-02-20 09:00:55,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:55,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 09:00:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:56,748 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 09:00:56,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735488776] [2022-02-20 09:00:56,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735488776] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 09:00:56,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670776425] [2022-02-20 09:00:56,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:00:56,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 09:00:56,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 09:00:56,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 09:00:56,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 09:00:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:00:56,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-20 09:00:56,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 09:00:58,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 09:00:58,541 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 09:00:58,542 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 63 treesize of output 36 [2022-02-20 09:00:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:58,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 09:00:59,026 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 09:00:59,027 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 87 treesize of output 55 [2022-02-20 09:00:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 09:00:59,911 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670776425] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 09:00:59,911 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 09:00:59,911 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 18] total 57 [2022-02-20 09:00:59,911 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855763447] [2022-02-20 09:00:59,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 09:00:59,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-02-20 09:00:59,913 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 09:00:59,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-02-20 09:00:59,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=2720, Unknown=0, NotChecked=0, Total=3192 [2022-02-20 09:00:59,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:59,915 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 09:00:59,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.385964912280702) internal successors, (307), 57 states have internal predecessors, (307), 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) [2022-02-20 09:00:59,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:00:59,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:00:59,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 09:00:59,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 09:00:59,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:01:04,235 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 600 transitions and produced 601 states. [2022-02-20 09:01:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:01:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:01:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 09:01:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 09:01:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-20 09:01:04,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 09:01:04,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 09:01:04,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 09:01:04,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 09:01:04,438 INFO L85 PathProgramCache]: Analyzing trace with hash 830741193, now seen corresponding path program 2 times [2022-02-20 09:01:04,441 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 09:01:04,441 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362357014] [2022-02-20 09:01:04,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 09:01:04,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 09:01:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 09:01:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 09:01:04,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 09:01:04,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362357014] [2022-02-20 09:01:04,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362357014] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 09:01:04,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119997559] [2022-02-20 09:01:04,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 09:01:04,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 09:01:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 09:01:04,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 09:01:04,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 09:01:04,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 09:01:04,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 09:01:04,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-20 09:01:04,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 09:01:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 09:01:05,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 09:01:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 09:01:05,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119997559] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 09:01:05,845 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 09:01:05,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 30 [2022-02-20 09:01:05,853 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721442312] [2022-02-20 09:01:05,853 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 09:01:05,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 09:01:05,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 09:01:05,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 09:01:05,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2022-02-20 09:01:05,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:01:05,860 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 09:01:05,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.066666666666666) internal successors, (212), 30 states have internal predecessors, (212), 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) [2022-02-20 09:01:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 09:01:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-20 09:01:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-20 09:01:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-20 09:01:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-20 09:01:05,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.