./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3dbbec33 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3dbbec3 [2023-02-14 14:23:44,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:23:44,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:23:44,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:23:44,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:23:44,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:23:44,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:23:44,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:23:44,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:23:44,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:23:44,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:23:44,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:23:44,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:23:44,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:23:44,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:23:44,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:23:44,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:23:44,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:23:44,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:23:44,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:23:44,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:23:44,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:23:44,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:23:44,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:23:44,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:23:44,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:23:44,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:23:44,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:23:44,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:23:44,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:23:44,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:23:44,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:23:44,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:23:44,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:23:44,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:23:44,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:23:44,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:23:44,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:23:44,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:23:44,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:23:44,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:23:44,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-14 14:23:44,568 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:23:44,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:23:44,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:23:44,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:23:44,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:23:44,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:23:44,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:23:44,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:23:44,571 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:23:44,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:23:44,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:23:44,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 14:23:44,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:23:44,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 14:23:44,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:23:44,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 14:23:44,573 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 14:23:44,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 14:23:44,574 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:23:44,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 14:23:44,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:23:44,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:23:44,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:23:44,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:23:44,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:23:44,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:23:44,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 14:23:44,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 14:23:44,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 14:23:44,577 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:23:44,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 14:23:44,577 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:23:44,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:23:44,577 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:23:44,578 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f79e4118373e847e0fb27fcdde0c282d507ddb96f3173b4556e1de9cae44280f [2023-02-14 14:23:44,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:23:44,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:23:44,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:23:44,818 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:23:44,818 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:23:44,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2023-02-14 14:23:46,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:23:46,161 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:23:46,162 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2023-02-14 14:23:46,166 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f68f069/de6849e9f6794c4b983637b66d8bba7b/FLAG8933502b3 [2023-02-14 14:23:46,182 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18f68f069/de6849e9f6794c4b983637b66d8bba7b [2023-02-14 14:23:46,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:23:46,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:23:46,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:23:46,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:23:46,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:23:46,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d32992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46, skipping insertion in model container [2023-02-14 14:23:46,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:23:46,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:23:46,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:23:46,347 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 14:23:46,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 14:23:46,370 INFO L208 MainTranslator]: Completed translation [2023-02-14 14:23:46,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46 WrapperNode [2023-02-14 14:23:46,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:23:46,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 14:23:46,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 14:23:46,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 14:23:46,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,397 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2023-02-14 14:23:46,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 14:23:46,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 14:23:46,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 14:23:46,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 14:23:46,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 14:23:46,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 14:23:46,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 14:23:46,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 14:23:46,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (1/1) ... [2023-02-14 14:23:46,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:23:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:46,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-14 14:23:46,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-14 14:23:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 14:23:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 14:23:46,534 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 14:23:46,535 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 14:23:46,670 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 14:23:46,675 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 14:23:46,675 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 14:23:46,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:23:46 BoogieIcfgContainer [2023-02-14 14:23:46,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 14:23:46,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 14:23:46,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 14:23:46,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 14:23:46,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:23:46" (1/3) ... [2023-02-14 14:23:46,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adc05a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:23:46, skipping insertion in model container [2023-02-14 14:23:46,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:23:46" (2/3) ... [2023-02-14 14:23:46,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adc05a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:23:46, skipping insertion in model container [2023-02-14 14:23:46,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:23:46" (3/3) ... [2023-02-14 14:23:46,691 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d-1.c [2023-02-14 14:23:46,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 14:23:46,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-02-14 14:23:46,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 14:23:46,785 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=PETRI_NET, 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;@6a685516, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 14:23:46,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-02-14 14:23:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:46,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 14:23:46,796 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:46,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 14:23:46,809 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:46,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:46,816 INFO L85 PathProgramCache]: Analyzing trace with hash 889513677, now seen corresponding path program 1 times [2023-02-14 14:23:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:46,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318807583] [2023-02-14 14:23:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:47,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318807583] [2023-02-14 14:23:47,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318807583] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:23:47,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:23:47,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 14:23:47,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666205353] [2023-02-14 14:23:47,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:23:47,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:23:47,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:47,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:23:47,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,047 INFO L87 Difference]: Start difference. First operand has 21 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 20 states have internal predecessors, (24), 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) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:47,104 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2023-02-14 14:23:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:23:47,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2023-02-14 14:23:47,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:47,119 INFO L225 Difference]: With dead ends: 41 [2023-02-14 14:23:47,120 INFO L226 Difference]: Without dead ends: 27 [2023-02-14 14:23:47,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,128 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:47,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 33 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:47,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-14 14:23:47,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2023-02-14 14:23:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 23 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2023-02-14 14:23:47,155 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 29 transitions. Word has length 6 [2023-02-14 14:23:47,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:47,155 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 29 transitions. [2023-02-14 14:23:47,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-02-14 14:23:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 14:23:47,156 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:47,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:23:47,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 14:23:47,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:47,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1805120262, now seen corresponding path program 1 times [2023-02-14 14:23:47,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:47,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343401994] [2023-02-14 14:23:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:47,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343401994] [2023-02-14 14:23:47,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343401994] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:23:47,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:23:47,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 14:23:47,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906953727] [2023-02-14 14:23:47,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:23:47,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:23:47,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:47,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:23:47,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,191 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:47,220 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2023-02-14 14:23:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:23:47,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2023-02-14 14:23:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:47,221 INFO L225 Difference]: With dead ends: 41 [2023-02-14 14:23:47,221 INFO L226 Difference]: Without dead ends: 39 [2023-02-14 14:23:47,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,223 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:47,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 24 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-02-14 14:23:47,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2023-02-14 14:23:47,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2023-02-14 14:23:47,234 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 7 [2023-02-14 14:23:47,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:47,235 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2023-02-14 14:23:47,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-02-14 14:23:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-14 14:23:47,236 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:47,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:23:47,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 14:23:47,237 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:47,248 INFO L85 PathProgramCache]: Analyzing trace with hash 124153334, now seen corresponding path program 1 times [2023-02-14 14:23:47,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:47,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972336892] [2023-02-14 14:23:47,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:47,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972336892] [2023-02-14 14:23:47,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972336892] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:23:47,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:23:47,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 14:23:47,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111641717] [2023-02-14 14:23:47,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:23:47,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:23:47,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:47,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:23:47,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,303 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:47,314 INFO L93 Difference]: Finished difference Result 37 states and 48 transitions. [2023-02-14 14:23:47,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:23:47,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2023-02-14 14:23:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:47,316 INFO L225 Difference]: With dead ends: 37 [2023-02-14 14:23:47,316 INFO L226 Difference]: Without dead ends: 36 [2023-02-14 14:23:47,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,317 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:47,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:47,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-02-14 14:23:47,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-02-14 14:23:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2023-02-14 14:23:47,324 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 8 [2023-02-14 14:23:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:47,324 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-02-14 14:23:47,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-02-14 14:23:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-14 14:23:47,325 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:47,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:23:47,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 14:23:47,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:47,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:47,326 INFO L85 PathProgramCache]: Analyzing trace with hash -446213880, now seen corresponding path program 1 times [2023-02-14 14:23:47,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:47,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106479518] [2023-02-14 14:23:47,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:47,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106479518] [2023-02-14 14:23:47,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106479518] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 14:23:47,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 14:23:47,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-14 14:23:47,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054387887] [2023-02-14 14:23:47,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 14:23:47,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-14 14:23:47,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:47,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-14 14:23:47,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,381 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:47,401 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2023-02-14 14:23:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-14 14:23:47,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2023-02-14 14:23:47,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:47,405 INFO L225 Difference]: With dead ends: 42 [2023-02-14 14:23:47,405 INFO L226 Difference]: Without dead ends: 41 [2023-02-14 14:23:47,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-14 14:23:47,407 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:47,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:47,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-14 14:23:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-02-14 14:23:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-02-14 14:23:47,414 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 9 [2023-02-14 14:23:47,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:47,414 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-02-14 14:23:47,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-02-14 14:23:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-14 14:23:47,415 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:47,415 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:23:47,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-14 14:23:47,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:47,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1460084352, now seen corresponding path program 1 times [2023-02-14 14:23:47,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:47,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537191022] [2023-02-14 14:23:47,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:47,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537191022] [2023-02-14 14:23:47,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537191022] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:47,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786461241] [2023-02-14 14:23:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:47,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:47,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:47,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-14 14:23:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 14:23:47,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786461241] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:47,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:47,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-14 14:23:47,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231779110] [2023-02-14 14:23:47,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:47,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 14:23:47,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:47,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 14:23:47,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:23:47,655 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:47,719 INFO L93 Difference]: Finished difference Result 82 states and 110 transitions. [2023-02-14 14:23:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:23:47,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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) Word has length 12 [2023-02-14 14:23:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:47,722 INFO L225 Difference]: With dead ends: 82 [2023-02-14 14:23:47,722 INFO L226 Difference]: Without dead ends: 80 [2023-02-14 14:23:47,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:23:47,723 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:47,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 29 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:23:47,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-14 14:23:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 51. [2023-02-14 14:23:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 50 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2023-02-14 14:23:47,732 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 12 [2023-02-14 14:23:47,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:47,733 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2023-02-14 14:23:47,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-02-14 14:23:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-02-14 14:23:47,733 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:47,734 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-02-14 14:23:47,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:47,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:47,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:47,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1339835373, now seen corresponding path program 1 times [2023-02-14 14:23:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:47,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501214459] [2023-02-14 14:23:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:47,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:47,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501214459] [2023-02-14 14:23:47,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501214459] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:47,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302892060] [2023-02-14 14:23:47,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:47,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:47,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-14 14:23:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:48,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 14:23:48,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302892060] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:48,075 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:48,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-14 14:23:48,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236719712] [2023-02-14 14:23:48,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:48,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 14:23:48,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:48,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 14:23:48,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:23:48,077 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:48,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:48,126 INFO L93 Difference]: Finished difference Result 125 states and 168 transitions. [2023-02-14 14:23:48,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:23:48,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) Word has length 13 [2023-02-14 14:23:48,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:48,127 INFO L225 Difference]: With dead ends: 125 [2023-02-14 14:23:48,127 INFO L226 Difference]: Without dead ends: 123 [2023-02-14 14:23:48,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:23:48,129 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 19 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:48,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 42 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:48,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-02-14 14:23:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 100. [2023-02-14 14:23:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 99 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 128 transitions. [2023-02-14 14:23:48,142 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 128 transitions. Word has length 13 [2023-02-14 14:23:48,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:48,142 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 128 transitions. [2023-02-14 14:23:48,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:48,143 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2023-02-14 14:23:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-14 14:23:48,143 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:48,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-02-14 14:23:48,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-14 14:23:48,347 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 [2023-02-14 14:23:48,348 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:48,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:48,348 INFO L85 PathProgramCache]: Analyzing trace with hash -908393425, now seen corresponding path program 1 times [2023-02-14 14:23:48,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:48,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90314696] [2023-02-14 14:23:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:48,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:48,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90314696] [2023-02-14 14:23:48,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90314696] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:48,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040767019] [2023-02-14 14:23:48,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:48,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:48,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:48,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:48,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-14 14:23:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:48,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-14 14:23:48,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040767019] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:48,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:48,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-02-14 14:23:48,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183773685] [2023-02-14 14:23:48,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:48,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-14 14:23:48,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:48,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-14 14:23:48,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:23:48,512 INFO L87 Difference]: Start difference. First operand 100 states and 128 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:48,539 INFO L93 Difference]: Finished difference Result 213 states and 273 transitions. [2023-02-14 14:23:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-14 14:23:48,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) Word has length 15 [2023-02-14 14:23:48,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:48,541 INFO L225 Difference]: With dead ends: 213 [2023-02-14 14:23:48,541 INFO L226 Difference]: Without dead ends: 212 [2023-02-14 14:23:48,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-02-14 14:23:48,543 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 14 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:48,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 53 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-02-14 14:23:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2023-02-14 14:23:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 206 states have (on average 1.2281553398058251) internal successors, (253), 209 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 253 transitions. [2023-02-14 14:23:48,561 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 253 transitions. Word has length 15 [2023-02-14 14:23:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:48,561 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 253 transitions. [2023-02-14 14:23:48,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 253 transitions. [2023-02-14 14:23:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-02-14 14:23:48,562 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:48,563 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1] [2023-02-14 14:23:48,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:48,781 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 [2023-02-14 14:23:48,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:48,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:48,782 INFO L85 PathProgramCache]: Analyzing trace with hash -310064461, now seen corresponding path program 1 times [2023-02-14 14:23:48,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:48,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613815899] [2023-02-14 14:23:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:48,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:48,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613815899] [2023-02-14 14:23:48,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613815899] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:48,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104399106] [2023-02-14 14:23:48,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:48,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:48,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:48,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:48,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-14 14:23:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:48,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 14:23:48,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:48,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104399106] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:48,972 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:48,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-14 14:23:48,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482905291] [2023-02-14 14:23:48,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:48,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-14 14:23:48,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:48,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-14 14:23:48,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-14 14:23:48,976 INFO L87 Difference]: Start difference. First operand 210 states and 253 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:49,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:49,067 INFO L93 Difference]: Finished difference Result 411 states and 525 transitions. [2023-02-14 14:23:49,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-14 14:23:49,068 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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) Word has length 18 [2023-02-14 14:23:49,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:49,070 INFO L225 Difference]: With dead ends: 411 [2023-02-14 14:23:49,070 INFO L226 Difference]: Without dead ends: 410 [2023-02-14 14:23:49,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-14 14:23:49,072 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 35 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:49,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 50 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:49,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-02-14 14:23:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 342. [2023-02-14 14:23:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 338 states have (on average 1.2633136094674555) internal successors, (427), 341 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 427 transitions. [2023-02-14 14:23:49,131 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 427 transitions. Word has length 18 [2023-02-14 14:23:49,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:49,132 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 427 transitions. [2023-02-14 14:23:49,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:49,132 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 427 transitions. [2023-02-14 14:23:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-02-14 14:23:49,139 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:49,139 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2023-02-14 14:23:49,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-14 14:23:49,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:49,344 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:49,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:49,344 INFO L85 PathProgramCache]: Analyzing trace with hash 377077538, now seen corresponding path program 2 times [2023-02-14 14:23:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:49,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109368406] [2023-02-14 14:23:49,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:49,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:49,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109368406] [2023-02-14 14:23:49,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109368406] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:49,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508784256] [2023-02-14 14:23:49,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:23:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:49,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:49,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-14 14:23:49,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:23:49,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:49,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:23:49,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:49,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:49,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508784256] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:49,625 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:49,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-14 14:23:49,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676893206] [2023-02-14 14:23:49,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:49,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 14:23:49,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:49,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 14:23:49,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:23:49,627 INFO L87 Difference]: Start difference. First operand 342 states and 427 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:49,736 INFO L93 Difference]: Finished difference Result 887 states and 1204 transitions. [2023-02-14 14:23:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 14:23:49,737 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) Word has length 31 [2023-02-14 14:23:49,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:49,740 INFO L225 Difference]: With dead ends: 887 [2023-02-14 14:23:49,740 INFO L226 Difference]: Without dead ends: 885 [2023-02-14 14:23:49,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:23:49,742 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 62 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:49,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 80 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:23:49,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2023-02-14 14:23:49,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 582. [2023-02-14 14:23:49,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 578 states have (on average 1.2802768166089966) internal successors, (740), 581 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:49,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 740 transitions. [2023-02-14 14:23:49,772 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 740 transitions. Word has length 31 [2023-02-14 14:23:49,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:49,772 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 740 transitions. [2023-02-14 14:23:49,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:49,772 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 740 transitions. [2023-02-14 14:23:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-02-14 14:23:49,773 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:49,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2023-02-14 14:23:49,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:49,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:49,981 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:49,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:49,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1594263076, now seen corresponding path program 2 times [2023-02-14 14:23:49,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:49,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773655232] [2023-02-14 14:23:49,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:49,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:50,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:50,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773655232] [2023-02-14 14:23:50,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773655232] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:50,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209422060] [2023-02-14 14:23:50,073 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:23:50,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:50,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:50,076 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) [2023-02-14 14:23:50,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-14 14:23:50,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:23:50,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:50,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-14 14:23:50,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:50,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:50,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209422060] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:50,257 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:50,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-02-14 14:23:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945117895] [2023-02-14 14:23:50,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-14 14:23:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:50,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-14 14:23:50,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:23:50,260 INFO L87 Difference]: Start difference. First operand 582 states and 740 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:50,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:50,355 INFO L93 Difference]: Finished difference Result 1688 states and 2178 transitions. [2023-02-14 14:23:50,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-14 14:23:50,356 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 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) Word has length 33 [2023-02-14 14:23:50,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:50,362 INFO L225 Difference]: With dead ends: 1688 [2023-02-14 14:23:50,362 INFO L226 Difference]: Without dead ends: 1687 [2023-02-14 14:23:50,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2023-02-14 14:23:50,364 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 59 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:50,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 92 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 14:23:50,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2023-02-14 14:23:50,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1683. [2023-02-14 14:23:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1679 states have (on average 1.1888028588445503) internal successors, (1996), 1682 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 1996 transitions. [2023-02-14 14:23:50,437 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 1996 transitions. Word has length 33 [2023-02-14 14:23:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:50,437 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 1996 transitions. [2023-02-14 14:23:50,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 1996 transitions. [2023-02-14 14:23:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-02-14 14:23:50,441 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:50,441 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1] [2023-02-14 14:23:50,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:50,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:50,646 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:50,647 INFO L85 PathProgramCache]: Analyzing trace with hash -726829569, now seen corresponding path program 2 times [2023-02-14 14:23:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:50,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627126616] [2023-02-14 14:23:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:50,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:50,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:50,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627126616] [2023-02-14 14:23:50,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627126616] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:50,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263911770] [2023-02-14 14:23:50,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-14 14:23:50,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:50,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:50,774 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) [2023-02-14 14:23:50,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-14 14:23:50,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-14 14:23:50,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:50,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-14 14:23:50,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:50,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:50,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263911770] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:50,989 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:50,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2023-02-14 14:23:50,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389305940] [2023-02-14 14:23:50,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:50,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-14 14:23:50,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:50,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-14 14:23:50,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-14 14:23:50,992 INFO L87 Difference]: Start difference. First operand 1683 states and 1996 transitions. Second operand has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:51,230 INFO L93 Difference]: Finished difference Result 3501 states and 4319 transitions. [2023-02-14 14:23:51,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-02-14 14:23:51,231 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 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) Word has length 42 [2023-02-14 14:23:51,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:51,243 INFO L225 Difference]: With dead ends: 3501 [2023-02-14 14:23:51,244 INFO L226 Difference]: Without dead ends: 3500 [2023-02-14 14:23:51,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2023-02-14 14:23:51,247 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 116 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:51,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 98 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:23:51,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2023-02-14 14:23:51,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 2130. [2023-02-14 14:23:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2126 states have (on average 1.2074317968015051) internal successors, (2567), 2129 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2567 transitions. [2023-02-14 14:23:51,347 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2567 transitions. Word has length 42 [2023-02-14 14:23:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:51,348 INFO L495 AbstractCegarLoop]: Abstraction has 2130 states and 2567 transitions. [2023-02-14 14:23:51,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.466666666666667) internal successors, (82), 16 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2567 transitions. [2023-02-14 14:23:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-02-14 14:23:51,352 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:51,352 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2023-02-14 14:23:51,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:51,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:51,560 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:51,560 INFO L85 PathProgramCache]: Analyzing trace with hash -242254900, now seen corresponding path program 3 times [2023-02-14 14:23:51,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:51,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462464100] [2023-02-14 14:23:51,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:51,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:51,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462464100] [2023-02-14 14:23:51,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462464100] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:51,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297630558] [2023-02-14 14:23:51,769 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:23:51,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:51,770 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) [2023-02-14 14:23:51,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-14 14:23:51,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 14:23:51,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:51,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 14:23:51,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:51,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:52,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297630558] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:52,129 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:52,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-14 14:23:52,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294374221] [2023-02-14 14:23:52,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:52,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 14:23:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:52,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 14:23:52,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-14 14:23:52,131 INFO L87 Difference]: Start difference. First operand 2130 states and 2567 transitions. Second operand has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:52,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:52,445 INFO L93 Difference]: Finished difference Result 5683 states and 7448 transitions. [2023-02-14 14:23:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-14 14:23:52,445 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) Word has length 67 [2023-02-14 14:23:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:52,463 INFO L225 Difference]: With dead ends: 5683 [2023-02-14 14:23:52,463 INFO L226 Difference]: Without dead ends: 5681 [2023-02-14 14:23:52,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-14 14:23:52,467 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 164 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:52,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 162 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:23:52,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5681 states. [2023-02-14 14:23:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5681 to 3160. [2023-02-14 14:23:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 3156 states have (on average 1.229404309252218) internal successors, (3880), 3159 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 3880 transitions. [2023-02-14 14:23:52,636 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 3880 transitions. Word has length 67 [2023-02-14 14:23:52,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:52,637 INFO L495 AbstractCegarLoop]: Abstraction has 3160 states and 3880 transitions. [2023-02-14 14:23:52,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:52,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 3880 transitions. [2023-02-14 14:23:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-02-14 14:23:52,640 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:52,640 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 1, 1, 1, 1] [2023-02-14 14:23:52,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-14 14:23:52,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-02-14 14:23:52,846 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:52,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:52,846 INFO L85 PathProgramCache]: Analyzing trace with hash -878722994, now seen corresponding path program 3 times [2023-02-14 14:23:52,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:52,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815721034] [2023-02-14 14:23:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:52,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:53,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:53,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815721034] [2023-02-14 14:23:53,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815721034] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:53,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938725512] [2023-02-14 14:23:53,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:23:53,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:53,022 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:53,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-14 14:23:53,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-02-14 14:23:53,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:53,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-14 14:23:53,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:53,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:53,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938725512] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:53,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:53,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2023-02-14 14:23:53,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361183153] [2023-02-14 14:23:53,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:53,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-14 14:23:53,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:53,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-14 14:23:53,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-14 14:23:53,439 INFO L87 Difference]: Start difference. First operand 3160 states and 3880 transitions. Second operand has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:53,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:53,892 INFO L93 Difference]: Finished difference Result 12416 states and 15747 transitions. [2023-02-14 14:23:53,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-02-14 14:23:53,893 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 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) Word has length 69 [2023-02-14 14:23:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:53,929 INFO L225 Difference]: With dead ends: 12416 [2023-02-14 14:23:53,930 INFO L226 Difference]: Without dead ends: 12415 [2023-02-14 14:23:53,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2023-02-14 14:23:53,937 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 196 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:53,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 165 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:23:53,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states. [2023-02-14 14:23:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 12407. [2023-02-14 14:23:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12407 states, 12403 states have (on average 1.15996129968556) internal successors, (14387), 12406 states have internal predecessors, (14387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:54,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12407 states to 12407 states and 14387 transitions. [2023-02-14 14:23:54,499 INFO L78 Accepts]: Start accepts. Automaton has 12407 states and 14387 transitions. Word has length 69 [2023-02-14 14:23:54,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:54,500 INFO L495 AbstractCegarLoop]: Abstraction has 12407 states and 14387 transitions. [2023-02-14 14:23:54,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.913043478260869) internal successors, (136), 24 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 12407 states and 14387 transitions. [2023-02-14 14:23:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-02-14 14:23:54,506 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:54,506 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1] [2023-02-14 14:23:54,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:54,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-02-14 14:23:54,711 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:54,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:54,711 INFO L85 PathProgramCache]: Analyzing trace with hash 58482839, now seen corresponding path program 3 times [2023-02-14 14:23:54,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:54,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439667231] [2023-02-14 14:23:54,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:54,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:55,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:55,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439667231] [2023-02-14 14:23:55,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439667231] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:55,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834864078] [2023-02-14 14:23:55,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-14 14:23:55,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:55,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:55,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:55,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-14 14:23:55,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2023-02-14 14:23:55,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:55,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-14 14:23:55,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:55,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:55,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834864078] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:55,605 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:55,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2023-02-14 14:23:55,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212420076] [2023-02-14 14:23:55,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:55,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-02-14 14:23:55,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:55,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-02-14 14:23:55,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-14 14:23:55,609 INFO L87 Difference]: Start difference. First operand 12407 states and 14387 transitions. Second operand has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:56,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:23:56,658 INFO L93 Difference]: Finished difference Result 29253 states and 34996 transitions. [2023-02-14 14:23:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-02-14 14:23:56,659 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 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) Word has length 90 [2023-02-14 14:23:56,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:23:56,723 INFO L225 Difference]: With dead ends: 29253 [2023-02-14 14:23:56,723 INFO L226 Difference]: Without dead ends: 29252 [2023-02-14 14:23:56,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2023-02-14 14:23:56,738 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 298 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-14 14:23:56,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 196 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-14 14:23:56,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29252 states. [2023-02-14 14:23:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29252 to 14278. [2023-02-14 14:23:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14278 states, 14274 states have (on average 1.1710802858343843) internal successors, (16716), 14277 states have internal predecessors, (16716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14278 states to 14278 states and 16716 transitions. [2023-02-14 14:23:57,657 INFO L78 Accepts]: Start accepts. Automaton has 14278 states and 16716 transitions. Word has length 90 [2023-02-14 14:23:57,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:23:57,657 INFO L495 AbstractCegarLoop]: Abstraction has 14278 states and 16716 transitions. [2023-02-14 14:23:57,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.741935483870968) internal successors, (178), 32 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:23:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 14278 states and 16716 transitions. [2023-02-14 14:23:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-02-14 14:23:57,682 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:23:57,682 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2023-02-14 14:23:57,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-14 14:23:57,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-14 14:23:57,888 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:23:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:23:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1400189408, now seen corresponding path program 4 times [2023-02-14 14:23:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:23:57,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037820447] [2023-02-14 14:23:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:23:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:23:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:23:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:58,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:23:58,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037820447] [2023-02-14 14:23:58,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037820447] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:23:58,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802330246] [2023-02-14 14:23:58,403 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:23:58,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:23:58,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:23:58,405 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:23:58,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-14 14:23:58,471 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:23:58,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:23:58,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-14 14:23:58,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:23:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:58,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:23:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:23:59,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802330246] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:23:59,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:23:59,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-14 14:23:59,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750254279] [2023-02-14 14:23:59,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:23:59,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-14 14:23:59,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:23:59,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-14 14:23:59,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 14:23:59,444 INFO L87 Difference]: Start difference. First operand 14278 states and 16716 transitions. Second operand has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:00,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:24:00,978 INFO L93 Difference]: Finished difference Result 40493 states and 51103 transitions. [2023-02-14 14:24:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-14 14:24:00,978 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 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) Word has length 139 [2023-02-14 14:24:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:24:01,051 INFO L225 Difference]: With dead ends: 40493 [2023-02-14 14:24:01,051 INFO L226 Difference]: Without dead ends: 40491 [2023-02-14 14:24:01,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 14:24:01,068 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 386 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-14 14:24:01,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 335 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-14 14:24:01,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40491 states. [2023-02-14 14:24:02,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40491 to 18734. [2023-02-14 14:24:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18734 states, 18730 states have (on average 1.1907634810464496) internal successors, (22303), 18733 states have internal predecessors, (22303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18734 states to 18734 states and 22303 transitions. [2023-02-14 14:24:02,235 INFO L78 Accepts]: Start accepts. Automaton has 18734 states and 22303 transitions. Word has length 139 [2023-02-14 14:24:02,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:24:02,236 INFO L495 AbstractCegarLoop]: Abstraction has 18734 states and 22303 transitions. [2023-02-14 14:24:02,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.872340425531915) internal successors, (276), 48 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 18734 states and 22303 transitions. [2023-02-14 14:24:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-02-14 14:24:02,257 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:24:02,257 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 1, 1, 1, 1] [2023-02-14 14:24:02,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-14 14:24:02,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-14 14:24:02,462 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:24:02,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:24:02,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1257255518, now seen corresponding path program 4 times [2023-02-14 14:24:02,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:24:02,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482419358] [2023-02-14 14:24:02,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:24:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:24:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:24:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:02,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:24:02,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482419358] [2023-02-14 14:24:02,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482419358] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:24:02,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458183975] [2023-02-14 14:24:02,949 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:24:02,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:24:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:24:02,951 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:24:02,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-14 14:24:03,007 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:24:03,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:24:03,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 24 conjunts are in the unsatisfiable core [2023-02-14 14:24:03,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:24:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:03,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:24:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1518 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:03,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458183975] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:24:03,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:24:03,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2023-02-14 14:24:03,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538479391] [2023-02-14 14:24:03,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:24:03,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-02-14 14:24:03,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:24:03,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-02-14 14:24:03,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 14:24:03,968 INFO L87 Difference]: Start difference. First operand 18734 states and 22303 transitions. Second operand has 48 states, 47 states have (on average 5.957446808510638) internal successors, (280), 48 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:07,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:24:07,712 INFO L93 Difference]: Finished difference Result 95254 states and 119316 transitions. [2023-02-14 14:24:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-02-14 14:24:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.957446808510638) internal successors, (280), 48 states have internal predecessors, (280), 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) Word has length 141 [2023-02-14 14:24:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:24:07,859 INFO L225 Difference]: With dead ends: 95254 [2023-02-14 14:24:07,860 INFO L226 Difference]: Without dead ends: 95253 [2023-02-14 14:24:07,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2023-02-14 14:24:07,887 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 403 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-14 14:24:07,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 330 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-14 14:24:07,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95253 states. [2023-02-14 14:24:12,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95253 to 95237. [2023-02-14 14:24:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95237 states, 95233 states have (on average 1.1432276626799533) internal successors, (108873), 95236 states have internal predecessors, (108873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95237 states to 95237 states and 108873 transitions. [2023-02-14 14:24:12,728 INFO L78 Accepts]: Start accepts. Automaton has 95237 states and 108873 transitions. Word has length 141 [2023-02-14 14:24:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:24:12,728 INFO L495 AbstractCegarLoop]: Abstraction has 95237 states and 108873 transitions. [2023-02-14 14:24:12,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.957446808510638) internal successors, (280), 48 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 95237 states and 108873 transitions. [2023-02-14 14:24:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-02-14 14:24:12,791 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:24:12,791 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 1, 1, 1, 1] [2023-02-14 14:24:12,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-02-14 14:24:12,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-02-14 14:24:12,997 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:24:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:24:12,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1876985287, now seen corresponding path program 4 times [2023-02-14 14:24:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:24:12,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39613653] [2023-02-14 14:24:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:24:12,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:24:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:24:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:14,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:24:14,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39613653] [2023-02-14 14:24:14,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39613653] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:24:14,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823864334] [2023-02-14 14:24:14,002 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-14 14:24:14,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:24:14,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:24:14,004 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:24:14,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-14 14:24:14,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-14 14:24:14,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:24:14,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 32 conjunts are in the unsatisfiable core [2023-02-14 14:24:14,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:24:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:14,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:24:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:15,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823864334] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:24:15,635 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:24:15,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2023-02-14 14:24:15,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382176995] [2023-02-14 14:24:15,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:24:15,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-02-14 14:24:15,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:24:15,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-02-14 14:24:15,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 14:24:15,639 INFO L87 Difference]: Start difference. First operand 95237 states and 108873 transitions. Second operand has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 64 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:24,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 14:24:24,444 INFO L93 Difference]: Finished difference Result 292123 states and 341172 transitions. [2023-02-14 14:24:24,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-02-14 14:24:24,444 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 64 states have internal predecessors, (370), 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) Word has length 186 [2023-02-14 14:24:24,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 14:24:24,920 INFO L225 Difference]: With dead ends: 292123 [2023-02-14 14:24:24,921 INFO L226 Difference]: Without dead ends: 292122 [2023-02-14 14:24:25,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2023-02-14 14:24:25,016 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 567 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-02-14 14:24:25,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 390 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-02-14 14:24:25,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292122 states. [2023-02-14 14:24:32,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292122 to 103476. [2023-02-14 14:24:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103476 states, 103472 states have (on average 1.1494510592237515) internal successors, (118936), 103475 states have internal predecessors, (118936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103476 states to 103476 states and 118936 transitions. [2023-02-14 14:24:33,130 INFO L78 Accepts]: Start accepts. Automaton has 103476 states and 118936 transitions. Word has length 186 [2023-02-14 14:24:33,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 14:24:33,131 INFO L495 AbstractCegarLoop]: Abstraction has 103476 states and 118936 transitions. [2023-02-14 14:24:33,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 5.873015873015873) internal successors, (370), 64 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 14:24:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 103476 states and 118936 transitions. [2023-02-14 14:24:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-02-14 14:24:33,237 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 14:24:33,238 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2023-02-14 14:24:33,245 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-02-14 14:24:33,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-14 14:24:33,443 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-02-14 14:24:33,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 14:24:33,444 INFO L85 PathProgramCache]: Analyzing trace with hash 407295688, now seen corresponding path program 5 times [2023-02-14 14:24:33,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 14:24:33,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362339515] [2023-02-14 14:24:33,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 14:24:33,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 14:24:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 14:24:35,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:35,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 14:24:35,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362339515] [2023-02-14 14:24:35,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362339515] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-14 14:24:35,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045742447] [2023-02-14 14:24:35,243 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-14 14:24:35,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-14 14:24:35,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 14:24:35,245 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-14 14:24:35,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-02-14 14:24:35,378 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-14 14:24:35,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-14 14:24:35,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-14 14:24:35,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 14:24:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:35,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-14 14:24:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 14:24:38,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045742447] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-14 14:24:38,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-14 14:24:38,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2023-02-14 14:24:38,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120369762] [2023-02-14 14:24:38,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-14 14:24:38,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-02-14 14:24:38,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 14:24:38,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-02-14 14:24:38,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2023-02-14 14:24:38,109 INFO L87 Difference]: Start difference. First operand 103476 states and 118936 transitions. Second operand has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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)