./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 574ddb4e 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-memory-alloca/Urban-alloca-2.i -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 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 09:30:02,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:30:02,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:30:02,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:30:02,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:30:02,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:30:02,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:30:02,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:30:02,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:30:02,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:30:02,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:30:02,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:30:02,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:30:02,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:30:02,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:30:02,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:30:02,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:30:02,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:30:02,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:30:02,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:30:02,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:30:02,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:30:02,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:30:02,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:30:02,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:30:02,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:30:02,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:30:02,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:30:02,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:30:02,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:30:02,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:30:02,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:30:02,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:30:02,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:30:02,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:30:02,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:30:02,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:30:02,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:30:02,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:30:02,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:30:02,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:30:02,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-17 09:30:02,875 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:30:02,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:30:02,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:30:02,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:30:02,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 09:30:02,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 09:30:02,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:30:02,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:30:02,877 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:30:02,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:30:02,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:30:02,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:30:02,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:30:02,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 09:30:02,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 09:30:02,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 09:30:02,879 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 09:30:02,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 09:30:02,879 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:30:02,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 09:30:02,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:30:02,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:30:02,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 09:30:02,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:30:02,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:30:02,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 09:30:02,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 09:30:02,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 09:30:02,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 09:30:02,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 09:30:02,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 09:30:02,881 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 09:30:02,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 09:30:02,882 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 09:30:02,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 [2023-02-17 09:30:03,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:30:03,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:30:03,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:30:03,118 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:30:03,118 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:30:03,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2023-02-17 09:30:04,059 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:30:04,235 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:30:04,235 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2023-02-17 09:30:04,245 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d576a9b/c93ebb573f8e4c03978f91132ef4134a/FLAGd174ff4a5 [2023-02-17 09:30:04,255 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d576a9b/c93ebb573f8e4c03978f91132ef4134a [2023-02-17 09:30:04,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:30:04,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:30:04,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:30:04,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:30:04,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:30:04,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c0fb6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04, skipping insertion in model container [2023-02-17 09:30:04,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:30:04,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:30:04,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:30:04,492 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 09:30:04,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:30:04,556 INFO L208 MainTranslator]: Completed translation [2023-02-17 09:30:04,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04 WrapperNode [2023-02-17 09:30:04,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:30:04,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 09:30:04,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 09:30:04,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 09:30:04,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,591 INFO L138 Inliner]: procedures = 110, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 72 [2023-02-17 09:30:04,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 09:30:04,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 09:30:04,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 09:30:04,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 09:30:04,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 09:30:04,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 09:30:04,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 09:30:04,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 09:30:04,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (1/1) ... [2023-02-17 09:30:04,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:30:04,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:30:04,644 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) [2023-02-17 09:30:04,665 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 [2023-02-17 09:30:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-17 09:30:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-17 09:30:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-17 09:30:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-17 09:30:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 09:30:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 09:30:04,789 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 09:30:04,790 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 09:30:04,894 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 09:30:04,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 09:30:04,899 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 09:30:04,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:30:04 BoogieIcfgContainer [2023-02-17 09:30:04,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 09:30:04,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 09:30:04,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 09:30:04,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 09:30:04,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 09:30:04" (1/3) ... [2023-02-17 09:30:04,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8b7d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 09:30:04, skipping insertion in model container [2023-02-17 09:30:04,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:04" (2/3) ... [2023-02-17 09:30:04,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8b7d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 09:30:04, skipping insertion in model container [2023-02-17 09:30:04,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:30:04" (3/3) ... [2023-02-17 09:30:04,906 INFO L112 eAbstractionObserver]: Analyzing ICFG Urban-alloca-2.i [2023-02-17 09:30:04,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 09:30:04,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-17 09:30:04,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 09:30:04,964 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;@71eb4a64, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 09:30:04,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-17 09:30:04,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.736842105263158) internal successors, (33), 27 states have internal predecessors, (33), 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) [2023-02-17 09:30:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 09:30:04,973 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:04,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:04,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:04,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:04,992 INFO L85 PathProgramCache]: Analyzing trace with hash 177749354, now seen corresponding path program 1 times [2023-02-17 09:30:04,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:05,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096187311] [2023-02-17 09:30:05,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:05,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:05,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:05,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096187311] [2023-02-17 09:30:05,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096187311] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:05,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:05,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:30:05,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602392725] [2023-02-17 09:30:05,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:05,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:30:05,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:05,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:30:05,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:05,271 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.736842105263158) internal successors, (33), 27 states have internal predecessors, (33), 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 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:05,322 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-02-17 09:30:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 09:30:05,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-17 09:30:05,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:05,329 INFO L225 Difference]: With dead ends: 32 [2023-02-17 09:30:05,329 INFO L226 Difference]: Without dead ends: 23 [2023-02-17 09:30:05,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:30:05,333 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 9 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:05,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 72 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-17 09:30:05,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-17 09:30:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.6875) internal successors, (27), 22 states have internal predecessors, (27), 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) [2023-02-17 09:30:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-02-17 09:30:05,362 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 8 [2023-02-17 09:30:05,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:05,362 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-02-17 09:30:05,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-02-17 09:30:05,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 09:30:05,363 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:05,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:05,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 09:30:05,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:05,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash 177749546, now seen corresponding path program 1 times [2023-02-17 09:30:05,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:05,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053500480] [2023-02-17 09:30:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:05,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:05,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:05,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053500480] [2023-02-17 09:30:05,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053500480] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:05,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:05,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:30:05,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802435060] [2023-02-17 09:30:05,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:05,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:30:05,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:05,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:30:05,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:05,502 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:05,541 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2023-02-17 09:30:05,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 09:30:05,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-17 09:30:05,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:05,543 INFO L225 Difference]: With dead ends: 23 [2023-02-17 09:30:05,543 INFO L226 Difference]: Without dead ends: 22 [2023-02-17 09:30:05,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:30:05,544 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:05,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 32 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:05,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-02-17 09:30:05,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-02-17 09:30:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.625) internal successors, (26), 21 states have internal predecessors, (26), 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) [2023-02-17 09:30:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-02-17 09:30:05,547 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 8 [2023-02-17 09:30:05,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:05,548 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-02-17 09:30:05,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-02-17 09:30:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 09:30:05,548 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:05,548 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:05,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-17 09:30:05,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:05,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:05,553 INFO L85 PathProgramCache]: Analyzing trace with hash 177765242, now seen corresponding path program 1 times [2023-02-17 09:30:05,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:05,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771088486] [2023-02-17 09:30:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:05,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:05,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:05,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771088486] [2023-02-17 09:30:05,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771088486] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:05,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:05,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:30:05,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189710518] [2023-02-17 09:30:05,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:05,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:30:05,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:05,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:30:05,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:05,707 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:05,773 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2023-02-17 09:30:05,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 09:30:05,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-17 09:30:05,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:05,774 INFO L225 Difference]: With dead ends: 42 [2023-02-17 09:30:05,775 INFO L226 Difference]: Without dead ends: 41 [2023-02-17 09:30:05,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:30:05,776 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:05,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 42 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 09:30:05,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-02-17 09:30:05,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 29. [2023-02-17 09:30:05,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.608695652173913) internal successors, (37), 28 states have internal predecessors, (37), 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) [2023-02-17 09:30:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2023-02-17 09:30:05,786 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 8 [2023-02-17 09:30:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:05,786 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2023-02-17 09:30:05,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-02-17 09:30:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-17 09:30:05,788 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:05,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:05,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-17 09:30:05,789 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 177765434, now seen corresponding path program 1 times [2023-02-17 09:30:05,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:05,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444642153] [2023-02-17 09:30:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:05,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:05,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444642153] [2023-02-17 09:30:05,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444642153] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:05,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:05,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:30:05,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679439235] [2023-02-17 09:30:05,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:05,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:30:05,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:05,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:30:05,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:05,876 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:05,899 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2023-02-17 09:30:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 09:30:05,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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 [2023-02-17 09:30:05,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:05,900 INFO L225 Difference]: With dead ends: 29 [2023-02-17 09:30:05,900 INFO L226 Difference]: Without dead ends: 28 [2023-02-17 09:30:05,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:30:05,909 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 30 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:05,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 29 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:05,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-17 09:30:05,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-02-17 09:30:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.565217391304348) internal successors, (36), 27 states have internal predecessors, (36), 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) [2023-02-17 09:30:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2023-02-17 09:30:05,917 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 8 [2023-02-17 09:30:05,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:05,918 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-02-17 09:30:05,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 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) [2023-02-17 09:30:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-02-17 09:30:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 09:30:05,918 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:05,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:05,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-17 09:30:05,919 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:05,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:05,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1215262736, now seen corresponding path program 1 times [2023-02-17 09:30:05,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:05,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404077375] [2023-02-17 09:30:05,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:05,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:06,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:06,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:06,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404077375] [2023-02-17 09:30:06,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404077375] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:06,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:06,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:30:06,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948096000] [2023-02-17 09:30:06,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:06,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:30:06,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:06,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:30:06,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:06,004 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2023-02-17 09:30:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:06,039 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2023-02-17 09:30:06,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 09:30:06,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 [2023-02-17 09:30:06,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:06,040 INFO L225 Difference]: With dead ends: 28 [2023-02-17 09:30:06,040 INFO L226 Difference]: Without dead ends: 27 [2023-02-17 09:30:06,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:30:06,041 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:06,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-17 09:30:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-02-17 09:30:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 26 states have internal predecessors, (35), 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) [2023-02-17 09:30:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2023-02-17 09:30:06,047 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 9 [2023-02-17 09:30:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:06,047 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2023-02-17 09:30:06,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2023-02-17 09:30:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-02-17 09:30:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 09:30:06,048 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:06,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:06,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-17 09:30:06,048 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:06,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1215268694, now seen corresponding path program 1 times [2023-02-17 09:30:06,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:06,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680748390] [2023-02-17 09:30:06,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:06,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:06,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680748390] [2023-02-17 09:30:06,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680748390] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:06,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:06,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 09:30:06,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557479437] [2023-02-17 09:30:06,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:06,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:30:06,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:06,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:30:06,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:30:06,112 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-02-17 09:30:06,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:06,136 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2023-02-17 09:30:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:30:06,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2023-02-17 09:30:06,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:06,137 INFO L225 Difference]: With dead ends: 27 [2023-02-17 09:30:06,137 INFO L226 Difference]: Without dead ends: 26 [2023-02-17 09:30:06,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:06,138 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:06,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:06,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-02-17 09:30:06,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-02-17 09:30:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 25 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) [2023-02-17 09:30:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2023-02-17 09:30:06,143 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 9 [2023-02-17 09:30:06,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:06,144 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2023-02-17 09:30:06,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-02-17 09:30:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-02-17 09:30:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 09:30:06,144 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:06,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:06,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-17 09:30:06,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:06,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:06,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1215755280, now seen corresponding path program 1 times [2023-02-17 09:30:06,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:06,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897172284] [2023-02-17 09:30:06,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:06,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:06,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897172284] [2023-02-17 09:30:06,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897172284] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:06,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:06,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-17 09:30:06,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099072231] [2023-02-17 09:30:06,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:06,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 09:30:06,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:06,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 09:30:06,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:06,187 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2023-02-17 09:30:06,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:06,220 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2023-02-17 09:30:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 09:30:06,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 [2023-02-17 09:30:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:06,222 INFO L225 Difference]: With dead ends: 26 [2023-02-17 09:30:06,222 INFO L226 Difference]: Without dead ends: 25 [2023-02-17 09:30:06,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-17 09:30:06,223 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:06,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 37 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:06,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-17 09:30:06,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-17 09:30:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.391304347826087) internal successors, (32), 24 states have internal predecessors, (32), 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) [2023-02-17 09:30:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2023-02-17 09:30:06,234 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 9 [2023-02-17 09:30:06,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:06,235 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-02-17 09:30:06,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2023-02-17 09:30:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-02-17 09:30:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-02-17 09:30:06,236 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:06,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:06,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-17 09:30:06,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:06,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:06,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1215761238, now seen corresponding path program 1 times [2023-02-17 09:30:06,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:06,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974070737] [2023-02-17 09:30:06,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:06,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:06,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974070737] [2023-02-17 09:30:06,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974070737] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 09:30:06,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 09:30:06,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 09:30:06,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501964334] [2023-02-17 09:30:06,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 09:30:06,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-17 09:30:06,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 09:30:06,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-17 09:30:06,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-17 09:30:06,298 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-02-17 09:30:06,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 09:30:06,319 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2023-02-17 09:30:06,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-17 09:30:06,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2023-02-17 09:30:06,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 09:30:06,323 INFO L225 Difference]: With dead ends: 25 [2023-02-17 09:30:06,323 INFO L226 Difference]: Without dead ends: 24 [2023-02-17 09:30:06,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-17 09:30:06,325 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 09:30:06,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 18 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 09:30:06,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-17 09:30:06,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2023-02-17 09:30:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 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) [2023-02-17 09:30:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2023-02-17 09:30:06,334 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 9 [2023-02-17 09:30:06,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 09:30:06,335 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2023-02-17 09:30:06,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-02-17 09:30:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-02-17 09:30:06,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-02-17 09:30:06,335 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 09:30:06,336 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 09:30:06,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-17 09:30:06,340 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-17 09:30:06,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 09:30:06,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1122825544, now seen corresponding path program 1 times [2023-02-17 09:30:06,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 09:30:06,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352889935] [2023-02-17 09:30:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:06,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 09:30:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 09:30:06,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 09:30:06,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352889935] [2023-02-17 09:30:06,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352889935] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 09:30:06,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749560616] [2023-02-17 09:30:06,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 09:30:06,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 09:30:06,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:30:06,478 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) [2023-02-17 09:30:06,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 09:30:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 09:30:06,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-17 09:30:06,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 09:30:06,634 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-17 09:30:06,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 80 [2023-02-17 09:30:06,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2023-02-17 09:30:06,650 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-17 09:30:06,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 123 [2023-02-17 09:30:06,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2023-02-17 09:30:06,695 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:06,700 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:06,715 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:06,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 214 [2023-02-17 09:30:06,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2023-02-17 09:30:06,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2023-02-17 09:30:06,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2023-02-17 09:30:06,746 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:06,748 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:06,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 9 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 765 treesize of output 1059 [2023-02-17 09:30:09,675 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:09,749 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:09,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:10,030 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-17 09:30:10,060 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 09:30:10,428 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-17 09:30:10,462 INFO L217 Elim1Store]: Index analysis took 269 ms [2023-02-17 09:30:11,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 225 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 226 new quantified variables, introduced 0 case distinctions, treesize of input 9451 treesize of output 1539791