/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-VarAbsGlobalSmt.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 17:18:46,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 17:18:46,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 17:18:46,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 17:18:46,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 17:18:46,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 17:18:46,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 17:18:46,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 17:18:46,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 17:18:46,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 17:18:46,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 17:18:46,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 17:18:46,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 17:18:46,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 17:18:46,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 17:18:46,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 17:18:46,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 17:18:46,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 17:18:46,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 17:18:46,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 17:18:46,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 17:18:46,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 17:18:46,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 17:18:46,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 17:18:46,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 17:18:46,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 17:18:46,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 17:18:46,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 17:18:46,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 17:18:46,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 17:18:46,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 17:18:46,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 17:18:46,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 17:18:46,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 17:18:46,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 17:18:46,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 17:18:46,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 17:18:46,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 17:18:46,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 17:18:46,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 17:18:46,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 17:18:46,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-15 17:18:46,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 17:18:46,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 17:18:46,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 17:18:46,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 17:18:46,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 17:18:46,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 17:18:46,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 17:18:46,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 17:18:46,548 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 17:18:46,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 17:18:46,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 17:18:46,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 17:18:46,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 17:18:46,550 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 17:18:46,551 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 17:18:46,551 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 17:18:46,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 17:18:46,551 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 17:18:46,551 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 17:18:46,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 17:18:46,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 17:18:46,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 17:18:46,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 17:18:46,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 17:18:46,776 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 17:18:46,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-11-15 17:18:46,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb303e9c/5ec3f6e08d61481dbc8ec612eafe2505/FLAGcb15a219a [2022-11-15 17:18:47,264 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 17:18:47,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-11-15 17:18:47,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb303e9c/5ec3f6e08d61481dbc8ec612eafe2505/FLAGcb15a219a [2022-11-15 17:18:47,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb303e9c/5ec3f6e08d61481dbc8ec612eafe2505 [2022-11-15 17:18:47,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 17:18:47,294 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 17:18:47,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 17:18:47,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 17:18:47,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 17:18:47,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bf548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47, skipping insertion in model container [2022-11-15 17:18:47,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 17:18:47,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 17:18:47,450 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4837,4850] [2022-11-15 17:18:47,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 17:18:47,457 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 17:18:47,480 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4837,4850] [2022-11-15 17:18:47,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 17:18:47,491 INFO L208 MainTranslator]: Completed translation [2022-11-15 17:18:47,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47 WrapperNode [2022-11-15 17:18:47,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 17:18:47,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 17:18:47,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 17:18:47,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 17:18:47,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,532 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 346 [2022-11-15 17:18:47,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 17:18:47,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 17:18:47,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 17:18:47,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 17:18:47,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 17:18:47,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 17:18:47,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 17:18:47,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 17:18:47,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (1/1) ... [2022-11-15 17:18:47,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 17:18:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:18:47,604 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) [2022-11-15 17:18:47,627 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 [2022-11-15 17:18:47,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 17:18:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 17:18:47,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 17:18:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 17:18:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 17:18:47,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 17:18:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 17:18:47,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 17:18:47,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 17:18:47,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-15 17:18:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-15 17:18:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-15 17:18:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-11-15 17:18:47,636 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 17:18:47,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 17:18:47,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 17:18:47,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 17:18:47,638 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 17:18:47,755 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 17:18:47,756 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 17:18:48,116 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 17:18:48,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 17:18:48,274 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 17:18:48,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 05:18:48 BoogieIcfgContainer [2022-11-15 17:18:48,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 17:18:48,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 17:18:48,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 17:18:48,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 17:18:48,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 05:18:47" (1/3) ... [2022-11-15 17:18:48,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be4936d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 05:18:48, skipping insertion in model container [2022-11-15 17:18:48,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:18:47" (2/3) ... [2022-11-15 17:18:48,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be4936d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 05:18:48, skipping insertion in model container [2022-11-15 17:18:48,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 05:18:48" (3/3) ... [2022-11-15 17:18:48,282 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2022-11-15 17:18:48,287 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 17:18:48,294 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 17:18:48,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-15 17:18:48,294 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 17:18:48,391 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2022-11-15 17:18:48,431 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 17:18:48,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 17:18:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:18:48,443 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) [2022-11-15 17:18:48,464 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 [2022-11-15 17:18:48,525 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 17:18:48,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread7Thread1of1ForFork2 ======== [2022-11-15 17:18:48,551 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;@536a68ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 17:18:48,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-15 17:18:49,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:49,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:49,235 INFO L85 PathProgramCache]: Analyzing trace with hash 748668137, now seen corresponding path program 1 times [2022-11-15 17:18:49,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:49,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066946732] [2022-11-15 17:18:49,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:49,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:49,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:49,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066946732] [2022-11-15 17:18:49,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066946732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:49,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:49,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 17:18:49,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255129336] [2022-11-15 17:18:49,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:49,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 17:18:49,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:49,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 17:18:49,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 17:18:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:49,479 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:49,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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) [2022-11-15 17:18:49,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:49,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 17:18:49,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:49,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1939550598, now seen corresponding path program 1 times [2022-11-15 17:18:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:49,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826224776] [2022-11-15 17:18:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:49,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:49,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826224776] [2022-11-15 17:18:49,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826224776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:49,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:49,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 17:18:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129578611] [2022-11-15 17:18:49,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:49,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 17:18:49,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:49,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 17:18:49,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-15 17:18:49,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:49,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:49,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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) [2022-11-15 17:18:49,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:49,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 17:18:50,269 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1939550597, now seen corresponding path program 1 times [2022-11-15 17:18:50,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:50,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654541306] [2022-11-15 17:18:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:50,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:50,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:50,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654541306] [2022-11-15 17:18:50,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654541306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:50,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:50,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 17:18:50,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681388537] [2022-11-15 17:18:50,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:50,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 17:18:50,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:50,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 17:18:50,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 17:18:50,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:50,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 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) [2022-11-15 17:18:50,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:50,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 17:18:50,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:50,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:50,520 INFO L85 PathProgramCache]: Analyzing trace with hash -955956069, now seen corresponding path program 1 times [2022-11-15 17:18:50,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:50,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498700571] [2022-11-15 17:18:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:50,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:50,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:50,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498700571] [2022-11-15 17:18:50,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498700571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:50,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:50,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 17:18:50,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793965696] [2022-11-15 17:18:50,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:50,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 17:18:50,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:50,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 17:18:50,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-15 17:18:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:50,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 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) [2022-11-15 17:18:50,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:50,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 17:18:50,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread7Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:50,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:50,779 INFO L85 PathProgramCache]: Analyzing trace with hash -955956068, now seen corresponding path program 1 times [2022-11-15 17:18:50,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:50,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8261353] [2022-11-15 17:18:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:50,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:50,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:50,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8261353] [2022-11-15 17:18:50,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8261353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:50,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:50,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 17:18:50,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980666686] [2022-11-15 17:18:50,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:50,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 17:18:50,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:50,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 17:18:50,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 17:18:50,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:50,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 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) [2022-11-15 17:18:50,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:50,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 17:18:51,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:51,033 INFO L85 PathProgramCache]: Analyzing trace with hash -699238250, now seen corresponding path program 1 times [2022-11-15 17:18:51,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:51,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38788604] [2022-11-15 17:18:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:51,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:51,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:51,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38788604] [2022-11-15 17:18:51,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38788604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:51,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:51,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 17:18:51,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515335372] [2022-11-15 17:18:51,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:51,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 17:18:51,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:51,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 17:18:51,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 17:18:51,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:51,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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) [2022-11-15 17:18:51,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:51,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 17:18:51,346 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:51,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:51,347 INFO L85 PathProgramCache]: Analyzing trace with hash -248476376, now seen corresponding path program 1 times [2022-11-15 17:18:51,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:51,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613042929] [2022-11-15 17:18:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:51,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:51,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613042929] [2022-11-15 17:18:51,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613042929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:51,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:51,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 17:18:51,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420457937] [2022-11-15 17:18:51,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:51,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 17:18:51,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 17:18:51,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-15 17:18:51,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:51,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:51,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:51,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:51,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 17:18:51,785 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:51,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:51,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1542106309, now seen corresponding path program 1 times [2022-11-15 17:18:51,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:51,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166266735] [2022-11-15 17:18:51,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:52,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:52,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166266735] [2022-11-15 17:18:52,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166266735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:52,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:52,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 17:18:52,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251519032] [2022-11-15 17:18:52,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:52,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:18:52,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:52,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:18:52,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-15 17:18:52,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:52,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.5) internal successors, (129), 7 states have internal predecessors, (129), 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) [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:52,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:52,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 17:18:52,202 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:52,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2053588426, now seen corresponding path program 1 times [2022-11-15 17:18:52,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:52,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916137246] [2022-11-15 17:18:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:52,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:52,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:52,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916137246] [2022-11-15 17:18:52,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916137246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:52,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:52,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 17:18:52,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993878004] [2022-11-15 17:18:52,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:52,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-15 17:18:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:52,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-15 17:18:52,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-15 17:18:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,434 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:52,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 8 states have internal predecessors, (138), 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) [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:52,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:18:52,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-15 17:18:52,664 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:52,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:52,665 INFO L85 PathProgramCache]: Analyzing trace with hash 87420229, now seen corresponding path program 1 times [2022-11-15 17:18:52,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:52,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372015426] [2022-11-15 17:18:52,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:52,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:52,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:52,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372015426] [2022-11-15 17:18:52,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372015426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:52,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:52,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-15 17:18:52,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372990828] [2022-11-15 17:18:52,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:52,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-15 17:18:52,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:52,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-15 17:18:52,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-15 17:18:52,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:52,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.375) internal successors, (147), 9 states have internal predecessors, (147), 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) [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:18:52,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:18:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 17:18:53,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-15 17:18:53,231 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:53,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:53,231 INFO L85 PathProgramCache]: Analyzing trace with hash 209142071, now seen corresponding path program 1 times [2022-11-15 17:18:53,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:53,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629493289] [2022-11-15 17:18:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:53,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:53,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629493289] [2022-11-15 17:18:53,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629493289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:53,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:53,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-15 17:18:53,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559797612] [2022-11-15 17:18:53,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:53,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-15 17:18:53,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:53,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-15 17:18:53,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-15 17:18:53,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:53,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:53,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 17.333333333333332) internal successors, (156), 10 states have internal predecessors, (156), 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) [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:53,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:18:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 17:18:53,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:53,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:18:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 17:18:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:18:53,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-15 17:18:53,771 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread7Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread7Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-15 17:18:53,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:18:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2067084051, now seen corresponding path program 1 times [2022-11-15 17:18:53,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:18:53,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851536730] [2022-11-15 17:18:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:18:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:18:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:18:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:18:54,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:18:54,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851536730] [2022-11-15 17:18:54,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851536730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:18:54,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:18:54,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-15 17:18:54,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264653266] [2022-11-15 17:18:54,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:18:54,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-15 17:18:54,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:18:54,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-15 17:18:54,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-11-15 17:18:54,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:54,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:18:54,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.0) internal successors, (165), 12 states have internal predecessors, (165), 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) [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:18:54,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.