/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/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 17:25:41,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 17:25:41,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 17:25:41,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 17:25:41,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 17:25:41,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 17:25:41,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 17:25:41,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 17:25:41,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 17:25:41,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 17:25:41,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 17:25:41,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 17:25:41,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 17:25:41,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 17:25:41,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 17:25:41,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 17:25:41,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 17:25:41,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 17:25:41,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 17:25:41,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 17:25:41,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 17:25:41,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 17:25:41,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 17:25:41,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 17:25:41,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 17:25:41,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 17:25:41,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 17:25:41,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 17:25:41,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 17:25:41,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 17:25:41,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 17:25:41,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 17:25:41,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 17:25:41,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 17:25:41,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 17:25:41,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 17:25:41,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 17:25:41,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 17:25:41,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 17:25:41,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 17:25:41,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 17:25:41,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSmt.epf [2022-11-15 17:25:41,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 17:25:41,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 17:25:41,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 17:25:41,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 17:25:41,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 17:25:41,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 17:25:41,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 17:25:41,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 17:25:41,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 17:25:41,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 17:25:41,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 17:25:41,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 17:25:41,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 17:25:41,250 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 17:25:41,250 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 17:25:41,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 17:25:41,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 17:25:41,250 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 17:25:41,250 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 17:25:41,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 17:25:41,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 17:25:41,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 17:25:41,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 17:25:41,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 17:25:41,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 17:25:41,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-11-15 17:25:41,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf94a0c9/e1eeb1875e1d4cf581fbb5106990e9ba/FLAG1c6b0987f [2022-11-15 17:25:41,835 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 17:25:41,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-11-15 17:25:41,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf94a0c9/e1eeb1875e1d4cf581fbb5106990e9ba/FLAG1c6b0987f [2022-11-15 17:25:42,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf94a0c9/e1eeb1875e1d4cf581fbb5106990e9ba [2022-11-15 17:25:42,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 17:25:42,273 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 17:25:42,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 17:25:42,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 17:25:42,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 17:25:42,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42, skipping insertion in model container [2022-11-15 17:25:42,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 17:25:42,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 17:25:42,461 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/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-11-15 17:25:42,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 17:25:42,481 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 17:25:42,512 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/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-11-15 17:25:42,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 17:25:42,534 INFO L208 MainTranslator]: Completed translation [2022-11-15 17:25:42,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42 WrapperNode [2022-11-15 17:25:42,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 17:25:42,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 17:25:42,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 17:25:42,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 17:25:42,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,593 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 353 [2022-11-15 17:25:42,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 17:25:42,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 17:25:42,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 17:25:42,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 17:25:42,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,636 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 17:25:42,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 17:25:42,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 17:25:42,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 17:25:42,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (1/1) ... [2022-11-15 17:25:42,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 17:25:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:25:42,667 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 17:25:42,673 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 17:25:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 17:25:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 17:25:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 17:25:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 17:25:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 17:25:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 17:25:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 17:25:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 17:25:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-15 17:25:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-15 17:25:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 17:25:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 17:25:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 17:25:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 17:25:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 17:25:42,697 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 17:25:42,810 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 17:25:42,812 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 17:25:43,241 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 17:25:43,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 17:25:43,258 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-15 17:25:43,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 05:25:43 BoogieIcfgContainer [2022-11-15 17:25:43,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 17:25:43,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 17:25:43,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 17:25:43,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 17:25:43,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 05:25:42" (1/3) ... [2022-11-15 17:25:43,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea664a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 05:25:43, skipping insertion in model container [2022-11-15 17:25:43,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 05:25:42" (2/3) ... [2022-11-15 17:25:43,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea664a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 05:25:43, skipping insertion in model container [2022-11-15 17:25:43,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 05:25:43" (3/3) ... [2022-11-15 17:25:43,273 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2022-11-15 17:25:43,278 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 17:25:43,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 17:25:43,285 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-11-15 17:25:43,285 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 17:25:43,375 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-15 17:25:43,407 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 17:25:43,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 17:25:43,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:25:43,410 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 17:25:43,415 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 17:25:43,447 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 17:25:43,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2022-11-15 17:25:43,459 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;@291c34b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 17:25:43,459 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-15 17:25:43,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:43,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:43,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1942077874, now seen corresponding path program 1 times [2022-11-15 17:25:43,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:43,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674947012] [2022-11-15 17:25:43,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:43,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:44,051 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 17:25:44,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:44,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674947012] [2022-11-15 17:25:44,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674947012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:44,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:44,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 17:25:44,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261909567] [2022-11-15 17:25:44,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:44,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 17:25:44,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:44,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 17:25:44,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 17:25:44,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:44,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.0) internal successors, (152), 2 states have internal predecessors, (152), 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 17:25:44,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 17:25:44,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:44,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash -364884482, now seen corresponding path program 1 times [2022-11-15 17:25:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:44,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317624499] [2022-11-15 17:25:44,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:44,516 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 17:25:44,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:44,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317624499] [2022-11-15 17:25:44,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317624499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:44,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:44,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 17:25:44,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375830759] [2022-11-15 17:25:44,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:44,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:25:44,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:44,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:25:44,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 17:25:44,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:44,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 7 states have internal predecessors, (144), 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 17:25:44,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:44,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 17:25:44,663 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:44,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:44,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1573484259, now seen corresponding path program 1 times [2022-11-15 17:25:44,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:44,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377090302] [2022-11-15 17:25:44,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:44,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:44,885 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 17:25:44,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:44,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377090302] [2022-11-15 17:25:44,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377090302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:44,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:44,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 17:25:44,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39061811] [2022-11-15 17:25:44,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:44,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:25:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:25:44,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 17:25:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:44,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.166666666666668) internal successors, (145), 7 states have internal predecessors, (145), 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 17:25:44,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:44,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:44,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:25:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:25:45,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 17:25:45,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:45,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:45,065 INFO L85 PathProgramCache]: Analyzing trace with hash 778401060, now seen corresponding path program 1 times [2022-11-15 17:25:45,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:45,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611011161] [2022-11-15 17:25:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:45,154 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 17:25:45,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:45,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611011161] [2022-11-15 17:25:45,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611011161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:45,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:45,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 17:25:45,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262375684] [2022-11-15 17:25:45,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:45,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 17:25:45,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 17:25:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 17:25:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:45,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 51.333333333333336) internal successors, (154), 4 states have internal predecessors, (154), 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 17:25:45,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:25:45,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:25:45,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:45,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 17:25:45,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:45,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash -712034369, now seen corresponding path program 1 times [2022-11-15 17:25:45,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:45,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855174228] [2022-11-15 17:25:45,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:45,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-15 17:25:45,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:45,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855174228] [2022-11-15 17:25:45,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855174228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:45,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:45,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 17:25:45,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405763784] [2022-11-15 17:25:45,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:45,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:25:45,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:45,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:25:45,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 17:25:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:45,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 7 states have internal predecessors, (159), 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 17:25:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:45,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:45,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:45,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:45,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:45,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 17:25:45,551 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:45,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1157925187, now seen corresponding path program 1 times [2022-11-15 17:25:45,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:45,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98820464] [2022-11-15 17:25:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:45,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:25:45,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:45,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98820464] [2022-11-15 17:25:45,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98820464] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:25:45,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407440254] [2022-11-15 17:25:45,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:45,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:25:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:25:45,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:25:45,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 17:25:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:45,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-15 17:25:45,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:25:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:25:46,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:25:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:25:46,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407440254] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 17:25:46,565 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 17:25:46,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-11-15 17:25:46,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042095798] [2022-11-15 17:25:46,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 17:25:46,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 17:25:46,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:46,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 17:25:46,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2022-11-15 17:25:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:46,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:46,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.916666666666666) internal successors, (334), 24 states have internal predecessors, (334), 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 17:25:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:46,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:46,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:46,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-15 17:25:47,172 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,SelfDestructingSolverStorable5 [2022-11-15 17:25:47,172 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:47,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:47,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1551937705, now seen corresponding path program 1 times [2022-11-15 17:25:47,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:47,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374502896] [2022-11-15 17:25:47,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:25:48,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:48,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374502896] [2022-11-15 17:25:48,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374502896] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:25:48,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341734658] [2022-11-15 17:25:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:48,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:25:48,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:25:48,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:25:48,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 17:25:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:48,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-15 17:25:48,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:25:48,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:25:48,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-15 17:25:48,835 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 17:25:48,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 17:25:48,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:25:49,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:25:49,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:25:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:25:49,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:25:49,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 17:25:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:25:49,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:25:50,058 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:25:50,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-11-15 17:25:50,067 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:25:50,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 246 treesize of output 240 [2022-11-15 17:25:50,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 226 treesize of output 210 [2022-11-15 17:25:50,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 206 [2022-11-15 17:25:50,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 198 [2022-11-15 17:25:50,481 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:25:50,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2022-11-15 17:25:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:25:50,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341734658] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 17:25:50,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 17:25:50,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 54 [2022-11-15 17:25:50,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677754935] [2022-11-15 17:25:50,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 17:25:50,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-15 17:25:50,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:50,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-15 17:25:50,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=2712, Unknown=28, NotChecked=0, Total=2970 [2022-11-15 17:25:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:50,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:50,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 7.018518518518518) internal successors, (379), 55 states have internal predecessors, (379), 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 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:50,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:52,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-15 17:25:52,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:25:52,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:52,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:52,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2058667145, now seen corresponding path program 1 times [2022-11-15 17:25:52,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:52,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003843684] [2022-11-15 17:25:52,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:52,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:25:52,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:52,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003843684] [2022-11-15 17:25:52,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003843684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:52,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:52,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 17:25:52,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845087244] [2022-11-15 17:25:52,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:52,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 17:25:52,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:52,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 17:25:52,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-15 17:25:52,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:52,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:52,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.8) internal successors, (174), 6 states have internal predecessors, (174), 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 17:25:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:52,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:52,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 17:25:52,816 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:52,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:52,817 INFO L85 PathProgramCache]: Analyzing trace with hash 242425229, now seen corresponding path program 1 times [2022-11-15 17:25:52,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:52,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464548701] [2022-11-15 17:25:52,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:52,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:25:53,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:53,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464548701] [2022-11-15 17:25:53,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464548701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:25:53,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229641790] [2022-11-15 17:25:53,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:53,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:25:53,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:25:53,673 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:25:53,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 17:25:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:53,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-15 17:25:53,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:25:53,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:25:54,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-15 17:25:54,298 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 17:25:54,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 17:25:54,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:25:54,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:25:54,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:25:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:25:54,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:25:54,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-15 17:25:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:25:54,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:25:55,317 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:25:55,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 31 [2022-11-15 17:25:55,325 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:25:55,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1106 treesize of output 1076 [2022-11-15 17:25:55,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1062 treesize of output 1030 [2022-11-15 17:25:55,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1030 treesize of output 966 [2022-11-15 17:25:55,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 491 treesize of output 475 [2022-11-15 17:25:57,524 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:25:57,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 34 [2022-11-15 17:25:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:25:57,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229641790] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 17:25:57,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 17:25:57,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 54 [2022-11-15 17:25:57,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827737714] [2022-11-15 17:25:57,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 17:25:57,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-15 17:25:57,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:57,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-15 17:25:57,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=2705, Unknown=35, NotChecked=0, Total=2970 [2022-11-15 17:25:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:57,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:57,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 6.648148148148148) internal successors, (359), 55 states have internal predecessors, (359), 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 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:57,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 17:25:59,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-15 17:25:59,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:25:59,498 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:59,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash 121203585, now seen corresponding path program 1 times [2022-11-15 17:25:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:59,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369557948] [2022-11-15 17:25:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:25:59,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:59,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369557948] [2022-11-15 17:25:59,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369557948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:59,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:59,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 17:25:59,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136554975] [2022-11-15 17:25:59,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:59,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 17:25:59,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:59,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 17:25:59,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-15 17:25:59,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:59,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 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 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 17:25:59,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-15 17:25:59,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:59,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-15 17:25:59,718 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:25:59,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:25:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash -183112870, now seen corresponding path program 1 times [2022-11-15 17:25:59,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:25:59,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965226825] [2022-11-15 17:25:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:25:59,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:25:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:25:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:25:59,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:25:59,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965226825] [2022-11-15 17:25:59,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965226825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:25:59,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:25:59,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 17:25:59,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409066464] [2022-11-15 17:25:59,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:25:59,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 17:25:59,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:25:59,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 17:25:59,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-15 17:25:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:25:59,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.666666666666664) internal successors, (167), 4 states have internal predecessors, (167), 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 17:25:59,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:25:59,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:25:59,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:26:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:00,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-15 17:26:00,021 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:00,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:00,022 INFO L85 PathProgramCache]: Analyzing trace with hash -466960119, now seen corresponding path program 1 times [2022-11-15 17:26:00,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:00,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330153030] [2022-11-15 17:26:00,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:00,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:26:00,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:00,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330153030] [2022-11-15 17:26:00,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330153030] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:26:00,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33059164] [2022-11-15 17:26:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:26:00,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:26:00,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:26:00,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 17:26:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:01,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-15 17:26:01,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:26:01,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:01,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-15 17:26:01,688 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 17:26:01,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 17:26:01,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:26:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:26:01,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:26:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:26:01,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:26:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:26:02,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-15 17:26:02,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-15 17:26:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:26:02,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:26:02,248 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_345 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_345) c_~B~0.base) (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) c_~B~0.offset)) 4294967296)) is different from false [2022-11-15 17:26:02,261 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_345 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_345) c_~B~0.base) c_~B~0.offset) 4294967296)) is different from false [2022-11-15 17:26:02,901 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:02,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 32 [2022-11-15 17:26:02,908 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:02,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 970 treesize of output 956 [2022-11-15 17:26:02,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 942 treesize of output 926 [2022-11-15 17:26:02,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 466 treesize of output 458 [2022-11-15 17:26:02,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 918 treesize of output 854 [2022-11-15 17:26:02,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 854 treesize of output 822 [2022-11-15 17:26:03,831 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:03,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 62 [2022-11-15 17:26:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:26:04,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33059164] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 17:26:04,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 17:26:04,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 59 [2022-11-15 17:26:04,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821042503] [2022-11-15 17:26:04,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 17:26:04,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-11-15 17:26:04,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:04,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-11-15 17:26:04,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=3048, Unknown=36, NotChecked=226, Total=3540 [2022-11-15 17:26:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:04,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:04,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 59 states have (on average 6.677966101694915) internal successors, (394), 60 states have internal predecessors, (394), 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 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:04,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-15 17:26:08,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 17:26:08,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-15 17:26:08,494 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:08,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1610766913, now seen corresponding path program 1 times [2022-11-15 17:26:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:08,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459661703] [2022-11-15 17:26:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:08,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 17:26:09,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:09,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459661703] [2022-11-15 17:26:09,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459661703] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:26:09,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972853636] [2022-11-15 17:26:09,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:09,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:26:09,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:26:09,895 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:26:09,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 17:26:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:10,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-15 17:26:10,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:26:10,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:10,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-15 17:26:10,723 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 17:26:10,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 17:26:10,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:26:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:26:10,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:26:11,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:26:11,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:26:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 17:26:11,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:26:11,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-15 17:26:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:26:11,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:26:11,357 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_400 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_400) c_~B~0.base) c_~B~0.offset) 9223372039002259456))) is different from false [2022-11-15 17:26:11,617 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_397 (Array Int Int)) (v_ArrVal_399 (Array Int Int)) (v_ArrVal_398 (Array Int Int)) (v_ArrVal_400 (Array Int Int))) (< 0 (+ (select (select (store (store (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_#t~malloc27#1.base| v_ArrVal_397) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_398) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_399) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_400) c_~B~0.base) c_~B~0.offset) 9223372039002259456))) is different from false [2022-11-15 17:26:11,989 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:11,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2022-11-15 17:26:11,998 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:11,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1098 treesize of output 1084 [2022-11-15 17:26:12,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1070 treesize of output 1054 [2022-11-15 17:26:12,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1054 treesize of output 1022 [2022-11-15 17:26:12,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 514 treesize of output 506 [2022-11-15 17:26:12,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1014 treesize of output 950 [2022-11-15 17:26:12,730 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:12,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 62 [2022-11-15 17:26:13,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 17:26:13,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972853636] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 17:26:13,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 17:26:13,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 22, 22] total 71 [2022-11-15 17:26:13,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957079942] [2022-11-15 17:26:13,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 17:26:13,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-11-15 17:26:13,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:13,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-11-15 17:26:13,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=4472, Unknown=38, NotChecked=274, Total=5112 [2022-11-15 17:26:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:13,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:13,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 6.0) internal successors, (426), 72 states have internal predecessors, (426), 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 17:26:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:13,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-11-15 17:26:13,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:28,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-15 17:26:28,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:26:28,811 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:28,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:28,812 INFO L85 PathProgramCache]: Analyzing trace with hash 164671329, now seen corresponding path program 1 times [2022-11-15 17:26:28,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:28,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380639066] [2022-11-15 17:26:28,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:28,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:26:29,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:29,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380639066] [2022-11-15 17:26:29,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380639066] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:26:29,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323096348] [2022-11-15 17:26:29,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:29,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:26:29,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:26:29,015 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:26:29,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-15 17:26:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:29,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-15 17:26:29,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:26:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:26:29,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:26:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:26:29,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323096348] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-15 17:26:29,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-15 17:26:29,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-11-15 17:26:29,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638727987] [2022-11-15 17:26:29,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:29,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:26:29,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:29,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:26:29,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-15 17:26:29,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:29,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:29,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.857142857142858) internal successors, (216), 7 states have internal predecessors, (216), 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 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:29,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-15 17:26:30,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:26:30,494 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:30,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:30,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2004810257, now seen corresponding path program 1 times [2022-11-15 17:26:30,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:30,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479580879] [2022-11-15 17:26:30,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:30,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:30,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:30,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479580879] [2022-11-15 17:26:30,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479580879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:30,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:30,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 17:26:30,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733304256] [2022-11-15 17:26:30,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:30,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 17:26:30,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:30,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 17:26:30,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-15 17:26:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:30,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.0) internal successors, (225), 5 states have internal predecessors, (225), 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 17:26:30,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-15 17:26:30,807 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:30,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:30,807 INFO L85 PathProgramCache]: Analyzing trace with hash 959993979, now seen corresponding path program 1 times [2022-11-15 17:26:30,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:30,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422840600] [2022-11-15 17:26:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:30,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:30,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:30,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422840600] [2022-11-15 17:26:30,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422840600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:30,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:30,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 17:26:30,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479817555] [2022-11-15 17:26:30,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:30,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 17:26:30,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:30,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 17:26:30,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-15 17:26:30,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:30,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 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 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:30,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-15 17:26:31,124 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:31,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:31,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1507377188, now seen corresponding path program 1 times [2022-11-15 17:26:31,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:31,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871277989] [2022-11-15 17:26:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:31,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:31,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871277989] [2022-11-15 17:26:31,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871277989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:31,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:31,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 17:26:31,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417225986] [2022-11-15 17:26:31,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:31,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:26:31,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:31,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:26:31,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 17:26:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,322 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:31,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.857142857142854) internal successors, (237), 7 states have internal predecessors, (237), 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 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-15 17:26:31,558 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:31,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:31,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1013634120, now seen corresponding path program 1 times [2022-11-15 17:26:31,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:31,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830941204] [2022-11-15 17:26:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:31,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:31,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830941204] [2022-11-15 17:26:31,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830941204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:31,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:31,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 17:26:31,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943242736] [2022-11-15 17:26:31,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:31,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 17:26:31,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:31,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 17:26:31,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-15 17:26:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:31,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 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 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:31,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:32,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-15 17:26:32,027 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:32,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:32,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1024755166, now seen corresponding path program 1 times [2022-11-15 17:26:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:32,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756594363] [2022-11-15 17:26:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:32,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:32,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756594363] [2022-11-15 17:26:32,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756594363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:32,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:32,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 17:26:32,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006530496] [2022-11-15 17:26:32,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:32,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 17:26:32,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:32,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 17:26:32,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-15 17:26:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:32,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:32,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:32,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:32,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:32,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:32,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:32,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-15 17:26:32,304 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:32,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:32,305 INFO L85 PathProgramCache]: Analyzing trace with hash -220067230, now seen corresponding path program 1 times [2022-11-15 17:26:32,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:32,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788530123] [2022-11-15 17:26:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:33,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-15 17:26:33,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:33,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788530123] [2022-11-15 17:26:33,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788530123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:33,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:33,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-11-15 17:26:33,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87356650] [2022-11-15 17:26:33,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:33,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 17:26:33,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:33,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 17:26:33,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2022-11-15 17:26:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:33,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:33,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 11.130434782608695) internal successors, (256), 24 states have internal predecessors, (256), 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 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:33,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:36,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:36,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-15 17:26:36,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-15 17:26:36,285 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:36,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:36,286 INFO L85 PathProgramCache]: Analyzing trace with hash 407312984, now seen corresponding path program 1 times [2022-11-15 17:26:36,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:36,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836340975] [2022-11-15 17:26:36,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-15 17:26:37,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:37,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836340975] [2022-11-15 17:26:37,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836340975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:37,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:37,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-11-15 17:26:37,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827891923] [2022-11-15 17:26:37,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:37,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-15 17:26:37,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:37,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-15 17:26:38,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2022-11-15 17:26:38,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:38,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:38,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 10.695652173913043) internal successors, (246), 24 states have internal predecessors, (246), 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 17:26:38,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:38,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:38,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-11-15 17:26:38,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:42,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-15 17:26:42,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-15 17:26:42,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-15 17:26:42,461 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:42,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1975855215, now seen corresponding path program 1 times [2022-11-15 17:26:42,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:42,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166849521] [2022-11-15 17:26:42,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-15 17:26:43,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:43,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166849521] [2022-11-15 17:26:43,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166849521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 17:26:43,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 17:26:43,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-15 17:26:43,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081936408] [2022-11-15 17:26:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 17:26:43,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-15 17:26:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:26:43,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-15 17:26:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2022-11-15 17:26:43,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:43,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:26:43,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 11.772727272727273) internal successors, (259), 23 states have internal predecessors, (259), 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 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:43,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-11-15 17:26:43,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-15 17:26:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-15 17:26:47,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-15 17:26:47,443 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-15 17:26:47,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 17:26:47,444 INFO L85 PathProgramCache]: Analyzing trace with hash 815099836, now seen corresponding path program 1 times [2022-11-15 17:26:47,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 17:26:47,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92892910] [2022-11-15 17:26:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:47,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 17:26:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:49,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 17:26:49,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92892910] [2022-11-15 17:26:49,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92892910] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 17:26:49,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459766104] [2022-11-15 17:26:49,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 17:26:49,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 17:26:49,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 17:26:49,316 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 17:26:49,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-15 17:26:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 17:26:49,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-15 17:26:49,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 17:26:49,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:50,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-15 17:26:50,774 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 17:26:50,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 17:26:50,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:51,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:51,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:51,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-15 17:26:52,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-15 17:26:53,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-15 17:26:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 17:26:53,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 17:26:53,646 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_720 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| c_~C~0.base v_ArrVal_720) c_~B~0.base) (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) c_~B~0.offset)) 9223372039002259456))) is different from false [2022-11-15 17:26:55,231 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_719 (Array Int Int)) (v_ArrVal_720 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_719))) (or (< (+ 9223372039002259455 (select (select .cse0 c_~B~0.base) c_~B~0.offset)) 0) (< 0 (+ (select (select (store .cse0 c_~C~0.base v_ArrVal_720) c_~B~0.base) c_~B~0.offset) 9223372039002259456))))) is different from false [2022-11-15 17:26:57,825 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 17:26:57,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 58 [2022-11-15 17:26:57,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9811 treesize of output 9731 [2022-11-15 17:26:57,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9731 treesize of output 9691 [2022-11-15 17:26:57,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9691 treesize of output 9371 [2022-11-15 17:26:57,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8374 treesize of output 7862 [2022-11-15 17:26:58,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8859 treesize of output 8699 [2022-11-15 17:26:58,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8699 treesize of output 8619 [2022-11-15 17:28:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 2 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 17:28:57,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459766104] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 17:28:57,979 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 17:28:57,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28, 26] total 72 [2022-11-15 17:28:57,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647887446] [2022-11-15 17:28:57,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 17:28:57,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-11-15 17:28:57,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 17:28:57,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-11-15 17:28:57,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=4609, Unknown=85, NotChecked=278, Total=5256 [2022-11-15 17:28:57,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:28:57,982 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 17:28:57,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 72 states have (on average 8.902777777777779) internal successors, (641), 73 states have internal predecessors, (641), 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 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-15 17:28:57,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-11-15 17:28:57,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.