/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 02:54:50,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 02:54:50,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 02:54:50,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 02:54:50,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 02:54:50,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 02:54:50,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 02:54:50,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 02:54:50,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 02:54:50,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 02:54:50,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 02:54:50,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 02:54:50,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 02:54:50,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 02:54:50,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 02:54:50,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 02:54:50,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 02:54:50,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 02:54:50,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 02:54:50,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 02:54:50,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 02:54:50,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 02:54:50,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 02:54:50,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 02:54:50,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 02:54:50,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 02:54:50,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 02:54:50,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 02:54:50,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 02:54:50,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 02:54:50,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 02:54:50,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 02:54:50,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 02:54:50,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 02:54:50,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 02:54:50,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 02:54:50,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 02:54:50,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 02:54:50,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 02:54:50,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 02:54:50,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 02:54:50,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 02:54:50,315 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 02:54:50,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 02:54:50,315 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 02:54:50,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 02:54:50,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 02:54:50,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 02:54:50,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 02:54:50,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 02:54:50,317 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 02:54:50,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 02:54:50,317 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 02:54:50,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 02:54:50,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 02:54:50,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 02:54:50,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:54:50,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 02:54:50,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 02:54:50,320 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 02:54:50,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 02:54:50,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 02:54:50,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 02:54:50,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 02:54:50,534 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 02:54:50,535 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 02:54:50,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2023-05-20 02:54:50,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec5b1fba/06ae1c9614d44012948b8ce37715cbbf/FLAG720952534 [2023-05-20 02:54:50,964 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 02:54:50,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2023-05-20 02:54:50,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec5b1fba/06ae1c9614d44012948b8ce37715cbbf/FLAG720952534 [2023-05-20 02:54:50,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec5b1fba/06ae1c9614d44012948b8ce37715cbbf [2023-05-20 02:54:50,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 02:54:50,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 02:54:50,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 02:54:50,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 02:54:50,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 02:54:50,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:54:50" (1/1) ... [2023-05-20 02:54:50,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ca9195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:50, skipping insertion in model container [2023-05-20 02:54:50,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:54:50" (1/1) ... [2023-05-20 02:54:50,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 02:54:51,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 02:54:51,199 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-vector-add.wvr.c[2598,2611] [2023-05-20 02:54:51,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:54:51,222 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 02:54:51,254 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-vector-add.wvr.c[2598,2611] [2023-05-20 02:54:51,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:54:51,265 INFO L208 MainTranslator]: Completed translation [2023-05-20 02:54:51,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51 WrapperNode [2023-05-20 02:54:51,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 02:54:51,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 02:54:51,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 02:54:51,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 02:54:51,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,296 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 193 [2023-05-20 02:54:51,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 02:54:51,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 02:54:51,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 02:54:51,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 02:54:51,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 02:54:51,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 02:54:51,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 02:54:51,335 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 02:54:51,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (1/1) ... [2023-05-20 02:54:51,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:54:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:54:51,376 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) [2023-05-20 02:54:51,383 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 [2023-05-20 02:54:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 02:54:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 02:54:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 02:54:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 02:54:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 02:54:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 02:54:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 02:54:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 02:54:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 02:54:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 02:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 02:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 02:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 02:54:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 02:54:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 02:54:51,407 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 02:54:51,499 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 02:54:51,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 02:54:51,830 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 02:54:51,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 02:54:51,843 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2023-05-20 02:54:51,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:54:51 BoogieIcfgContainer [2023-05-20 02:54:51,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 02:54:51,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 02:54:51,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 02:54:51,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 02:54:51,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:54:50" (1/3) ... [2023-05-20 02:54:51,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f63cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:54:51, skipping insertion in model container [2023-05-20 02:54:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:54:51" (2/3) ... [2023-05-20 02:54:51,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f63cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:54:51, skipping insertion in model container [2023-05-20 02:54:51,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:54:51" (3/3) ... [2023-05-20 02:54:51,851 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2023-05-20 02:54:51,856 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 02:54:51,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 02:54:51,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 02:54:51,866 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 02:54:51,963 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 02:54:52,010 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:54:52,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 02:54:52,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:54:52,027 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) [2023-05-20 02:54:52,080 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 [2023-05-20 02:54:52,089 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 02:54:52,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 02:54:52,120 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3342695f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:54:52,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 02:54:52,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:54:52,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:54:52,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2139180246, now seen corresponding path program 1 times [2023-05-20 02:54:52,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:54:52,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983517061] [2023-05-20 02:54:52,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:52,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:54:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-05-20 02:54:52,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:54:52,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983517061] [2023-05-20 02:54:52,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983517061] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:54:52,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:54:52,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 02:54:52,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383317723] [2023-05-20 02:54:52,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:54:52,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 02:54:52,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:54:52,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 02:54:52,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 02:54:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:52,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:54:52,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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) [2023-05-20 02:54:52,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:52,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 02:54:52,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:54:52,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:54:52,901 INFO L85 PathProgramCache]: Analyzing trace with hash -738276726, now seen corresponding path program 1 times [2023-05-20 02:54:52,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:54:52,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930436349] [2023-05-20 02:54:52,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:52,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:54:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:54:53,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:54:53,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930436349] [2023-05-20 02:54:53,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930436349] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:54:53,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:54:53,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 02:54:53,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211884925] [2023-05-20 02:54:53,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:54:53,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 02:54:53,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:54:53,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 02:54:53,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 02:54:53,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:53,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:54:53,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.0) internal successors, (210), 7 states have internal predecessors, (210), 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) [2023-05-20 02:54:53,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:53,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:53,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 02:54:53,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:54:53,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:54:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1680407289, now seen corresponding path program 1 times [2023-05-20 02:54:53,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:54:53,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841221397] [2023-05-20 02:54:53,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:53,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:54:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 02:54:53,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:54:53,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841221397] [2023-05-20 02:54:53,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841221397] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:54:53,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704337989] [2023-05-20 02:54:53,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:53,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:54:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:54:53,839 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) [2023-05-20 02:54:53,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 02:54:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:53,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-20 02:54:53,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:54:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 02:54:54,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:54:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 02:54:54,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704337989] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 02:54:54,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 02:54:54,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2023-05-20 02:54:54,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707434123] [2023-05-20 02:54:54,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:54:54,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 02:54:54,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:54:54,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 02:54:54,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-05-20 02:54:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:54,337 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:54:54,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.22222222222222) internal successors, (218), 9 states have internal predecessors, (218), 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) [2023-05-20 02:54:54,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:54,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:54,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:54,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:54,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:54,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 02:54:54,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 02:54:54,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:54:54,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:54:54,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1153719582, now seen corresponding path program 1 times [2023-05-20 02:54:54,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:54:54,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775291311] [2023-05-20 02:54:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:54,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:54:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 02:54:54,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:54:54,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775291311] [2023-05-20 02:54:54,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775291311] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:54:54,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216696939] [2023-05-20 02:54:54,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:54,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:54:54,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:54:54,999 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) [2023-05-20 02:54:55,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 02:54:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:55,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 02:54:55,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:54:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 02:54:55,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:54:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 02:54:55,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216696939] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:54:55,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:54:55,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2023-05-20 02:54:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864264566] [2023-05-20 02:54:55,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:54:55,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-20 02:54:55,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:54:55,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-20 02:54:55,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2023-05-20 02:54:55,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:55,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:54:55,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 17.22222222222222) internal successors, (465), 27 states have internal predecessors, (465), 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) [2023-05-20 02:54:55,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:55,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:55,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:55,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:56,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-20 02:54:56,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 02:54:56,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:54:56,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:54:56,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:54:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1799863363, now seen corresponding path program 1 times [2023-05-20 02:54:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:54:56,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653644639] [2023-05-20 02:54:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:54:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 02:54:57,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:54:57,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653644639] [2023-05-20 02:54:57,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653644639] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:54:57,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616223146] [2023-05-20 02:54:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:57,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:54:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:54:57,189 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) [2023-05-20 02:54:57,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 02:54:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:54:57,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 02:54:57,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:54:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 02:54:57,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:54:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 02:54:57,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616223146] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:54:57,703 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:54:57,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2023-05-20 02:54:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000326799] [2023-05-20 02:54:57,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:54:57,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-20 02:54:57,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:54:57,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-20 02:54:57,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2023-05-20 02:54:57,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:57,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:54:57,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 11.423076923076923) internal successors, (297), 26 states have internal predecessors, (297), 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) [2023-05-20 02:54:57,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:57,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:57,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:57,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-20 02:54:57,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:54:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 02:54:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 02:54:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 02:54:58,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 02:54:58,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:54:58,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 02:54:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:54:58,815 INFO L85 PathProgramCache]: Analyzing trace with hash -251103876, now seen corresponding path program 2 times [2023-05-20 02:54:58,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:54:58,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544540202] [2023-05-20 02:54:58,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:54:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:54:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:55:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:55:13,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:55:13,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544540202] [2023-05-20 02:55:13,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544540202] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:55:13,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956187314] [2023-05-20 02:55:13,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:55:13,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:55:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:55:13,230 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) [2023-05-20 02:55:13,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 02:55:13,448 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:55:13,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:55:13,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 176 conjunts are in the unsatisfiable core [2023-05-20 02:55:13,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:55:13,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:55:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:13,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2023-05-20 02:55:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:14,860 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 02:55:14,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2023-05-20 02:55:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:16,078 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-05-20 02:55:16,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2023-05-20 02:55:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:18,544 INFO L356 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2023-05-20 02:55:18,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 32 [2023-05-20 02:55:21,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2023-05-20 02:55:21,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:21,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 44 [2023-05-20 02:55:23,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:23,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:23,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:23,147 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2023-05-20 02:55:24,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,323 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-05-20 02:55:24,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 84 [2023-05-20 02:55:24,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:24,520 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2023-05-20 02:55:24,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 11 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 94 [2023-05-20 02:55:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:26,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:26,028 INFO L356 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-05-20 02:55:26,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 11 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 125 [2023-05-20 02:55:29,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:55:29,822 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 02:55:29,823 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 02:55:29,837 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:55:29,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 7 disjoint index pairs (out of 91 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 105 treesize of output 73 [2023-05-20 02:55:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 02:55:29,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:56:38,706 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_328 (Array Int Int)) (v_ArrVal_327 (Array Int Int)) (v_thread3Thread1of1ForFork2_~i~2_29 Int) (|ULTIMATE.start_main_#t~nondet25#1| Int)) (or (<= c_~N~0 |ULTIMATE.start_main_#t~nondet25#1|) (< 0 v_thread3Thread1of1ForFork2_~i~2_29) (let ((.cse9 (* c_thread1Thread1of1ForFork0_~i~0 4))) (let ((.cse8 (store (store (store |c_#memory_int| c_~C1~0.base (store (select |c_#memory_int| c_~C1~0.base) (+ c_~C1~0.offset .cse9) (+ |c_thread1Thread1of1ForFork0_#t~mem3| |c_thread1Thread1of1ForFork0_#t~mem2|))) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_327) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_328))) (let ((.cse7 (select .cse8 c_~B~0.base)) (.cse6 (select .cse8 c_~A~0.base))) (let ((.cse2 (store .cse8 c_~C1~0.base (store (select .cse8 c_~C1~0.base) (+ c_~C1~0.offset 4 .cse9) (+ (select .cse7 (+ 4 .cse9 c_~B~0.offset)) (select .cse6 (+ c_~A~0.offset 4 .cse9))))))) (let ((.cse0 (let ((.cse4 (* v_thread3Thread1of1ForFork2_~i~2_29 4))) (let ((.cse3 (store (select .cse2 c_~C2~0.base) (+ c_~C2~0.offset .cse4) (+ (select .cse6 (+ c_~A~0.offset .cse4)) (select .cse7 (+ .cse4 c_~B~0.offset)))))) (store .cse3 (+ c_~C2~0.offset .cse4 4) (let ((.cse5 (store .cse2 c_~C2~0.base .cse3))) (+ (select (select .cse5 c_~B~0.base) (+ .cse4 4 c_~B~0.offset)) (select (select .cse5 c_~A~0.base) (+ c_~A~0.offset .cse4 4)))))))) (.cse1 (* 4 |ULTIMATE.start_main_#t~nondet25#1|))) (= (mod (select .cse0 (+ .cse1 c_~C2~0.offset)) 4294967296) (mod (select (select (store .cse2 c_~C2~0.base .cse0) c_~C1~0.base) (+ .cse1 c_~C1~0.offset)) 4294967296))))))) (< |ULTIMATE.start_main_#t~nondet25#1| 0) (< (+ v_thread3Thread1of1ForFork2_~i~2_29 2) c_~N~0))) is different from false [2023-05-20 02:56:45,580 INFO L356 Elim1Store]: treesize reduction 42, result has 62.5 percent of original size [2023-05-20 02:56:45,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 2633 treesize of output 1023