./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f4b24e32 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 13:56:26,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 13:56:26,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 13:56:26,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 13:56:26,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 13:56:26,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 13:56:26,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 13:56:26,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 13:56:26,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 13:56:26,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 13:56:26,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 13:56:26,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 13:56:26,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 13:56:26,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 13:56:26,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 13:56:26,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 13:56:26,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 13:56:26,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 13:56:26,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 13:56:26,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 13:56:26,577 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 13:56:26,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 13:56:26,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 13:56:26,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 13:56:26,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 13:56:26,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 13:56:26,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 13:56:26,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 13:56:26,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 13:56:26,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 13:56:26,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 13:56:26,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 13:56:26,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 13:56:26,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 13:56:26,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 13:56:26,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 13:56:26,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 13:56:26,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 13:56:26,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 13:56:26,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 13:56:26,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 13:56:26,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 13:56:26,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-07-14 13:56:26,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 13:56:26,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 13:56:26,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 13:56:26,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 13:56:26,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 13:56:26,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 13:56:26,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 13:56:26,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 13:56:26,620 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 13:56:26,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 13:56:26,621 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 13:56:26,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 13:56:26,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 13:56:26,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 13:56:26,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 13:56:26,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 13:56:26,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 13:56:26,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 13:56:26,622 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-14 13:56:26,622 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 13:56:26,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 13:56:26,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 13:56:26,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 13:56:26,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 13:56:26,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 13:56:26,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 13:56:26,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:56:26,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 13:56:26,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 13:56:26,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 13:56:26,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 13:56:26,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 13:56:26,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 13:56:26,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2022-07-14 13:56:26,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 13:56:26,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 13:56:26,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 13:56:26,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 13:56:26,832 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 13:56:26,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2022-07-14 13:56:26,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5f530c0/471ed8f9eb194dc78ccf769c392c6d56/FLAG3364a8276 [2022-07-14 13:56:27,253 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 13:56:27,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2022-07-14 13:56:27,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5f530c0/471ed8f9eb194dc78ccf769c392c6d56/FLAG3364a8276 [2022-07-14 13:56:27,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e5f530c0/471ed8f9eb194dc78ccf769c392c6d56 [2022-07-14 13:56:27,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 13:56:27,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 13:56:27,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 13:56:27,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 13:56:27,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 13:56:27,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:27,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c76c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27, skipping insertion in model container [2022-07-14 13:56:27,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:27,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 13:56:27,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 13:56:27,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2022-07-14 13:56:27,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:56:27,878 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 13:56:27,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2022-07-14 13:56:27,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 13:56:27,971 INFO L208 MainTranslator]: Completed translation [2022-07-14 13:56:27,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27 WrapperNode [2022-07-14 13:56:27,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 13:56:27,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 13:56:27,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 13:56:27,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 13:56:27,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:27,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,022 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 530 [2022-07-14 13:56:28,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 13:56:28,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 13:56:28,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 13:56:28,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 13:56:28,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 13:56:28,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 13:56:28,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 13:56:28,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 13:56:28,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (1/1) ... [2022-07-14 13:56:28,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 13:56:28,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:28,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 13:56:28,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 13:56:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 13:56:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 13:56:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 13:56:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 13:56:28,200 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 13:56:28,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 13:56:28,212 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-14 13:56:28,631 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-07-14 13:56:28,636 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-07-14 13:56:28,636 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 13:56:28,641 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 13:56:28,642 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 13:56:28,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:56:28 BoogieIcfgContainer [2022-07-14 13:56:28,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 13:56:28,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 13:56:28,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 13:56:28,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 13:56:28,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:56:27" (1/3) ... [2022-07-14 13:56:28,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f75da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:56:28, skipping insertion in model container [2022-07-14 13:56:28,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:56:27" (2/3) ... [2022-07-14 13:56:28,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f75da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:56:28, skipping insertion in model container [2022-07-14 13:56:28,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:56:28" (3/3) ... [2022-07-14 13:56:28,650 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2022-07-14 13:56:28,661 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 13:56:28,662 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-07-14 13:56:28,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 13:56:28,700 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=FINITE_AUTOMATA, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@77d0b529, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@367f2f8d [2022-07-14 13:56:28,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-07-14 13:56:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-14 13:56:28,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:28,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:28,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:28,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:28,712 INFO L85 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2022-07-14 13:56:28,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:28,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451819033] [2022-07-14 13:56:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:28,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 13:56:28,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:28,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451819033] [2022-07-14 13:56:28,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451819033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:28,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:28,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 13:56:28,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157232212] [2022-07-14 13:56:28,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:28,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 13:56:28,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:28,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 13:56:28,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 13:56:28,915 INFO L87 Difference]: Start difference. First operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 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 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:28,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:28,944 INFO L93 Difference]: Finished difference Result 284 states and 471 transitions. [2022-07-14 13:56:28,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 13:56:28,946 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 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 17 [2022-07-14 13:56:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:28,955 INFO L225 Difference]: With dead ends: 284 [2022-07-14 13:56:28,955 INFO L226 Difference]: Without dead ends: 120 [2022-07-14 13:56:28,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 13:56:28,961 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:28,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 13:56:28,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-07-14 13:56:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-07-14 13:56:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 119 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions. [2022-07-14 13:56:29,007 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 17 [2022-07-14 13:56:29,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:29,007 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 180 transitions. [2022-07-14 13:56:29,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions. [2022-07-14 13:56:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-14 13:56:29,012 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:29,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:29,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 13:56:29,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:29,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:29,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1380240252, now seen corresponding path program 1 times [2022-07-14 13:56:29,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:29,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679792541] [2022-07-14 13:56:29,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:29,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:29,050 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:29,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726889227] [2022-07-14 13:56:29,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:29,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:29,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:29,053 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) [2022-07-14 13:56:29,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 13:56:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:29,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:29,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 13:56:29,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:29,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:29,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679792541] [2022-07-14 13:56:29,222 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:29,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726889227] [2022-07-14 13:56:29,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726889227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:29,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:29,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577632930] [2022-07-14 13:56:29,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:29,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:29,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:29,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:29,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:29,231 INFO L87 Difference]: Start difference. First operand 120 states and 180 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:29,290 INFO L93 Difference]: Finished difference Result 336 states and 508 transitions. [2022-07-14 13:56:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:29,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2022-07-14 13:56:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:29,293 INFO L225 Difference]: With dead ends: 336 [2022-07-14 13:56:29,295 INFO L226 Difference]: Without dead ends: 224 [2022-07-14 13:56:29,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:29,297 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 130 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:29,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 330 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 13:56:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-07-14 13:56:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2022-07-14 13:56:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 220 states have (on average 1.5318181818181817) internal successors, (337), 223 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 337 transitions. [2022-07-14 13:56:29,311 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 337 transitions. Word has length 40 [2022-07-14 13:56:29,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:29,312 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 337 transitions. [2022-07-14 13:56:29,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,312 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2022-07-14 13:56:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-14 13:56:29,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:29,314 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:29,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:29,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:29,516 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)] === [2022-07-14 13:56:29,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash -23561181, now seen corresponding path program 1 times [2022-07-14 13:56:29,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:29,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204549517] [2022-07-14 13:56:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:29,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:29,562 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:29,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783261604] [2022-07-14 13:56:29,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:29,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:29,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:29,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:29,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 13:56:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:29,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:29,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 13:56:29,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:29,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:29,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204549517] [2022-07-14 13:56:29,692 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:29,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783261604] [2022-07-14 13:56:29,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783261604] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:29,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:29,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:29,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265258504] [2022-07-14 13:56:29,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:29,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:29,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:29,695 INFO L87 Difference]: Start difference. First operand 224 states and 337 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:29,722 INFO L93 Difference]: Finished difference Result 440 states and 665 transitions. [2022-07-14 13:56:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:29,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2022-07-14 13:56:29,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:29,724 INFO L225 Difference]: With dead ends: 440 [2022-07-14 13:56:29,724 INFO L226 Difference]: Without dead ends: 328 [2022-07-14 13:56:29,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:29,725 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 131 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:29,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 329 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 13:56:29,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-07-14 13:56:29,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-07-14 13:56:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 324 states have (on average 1.5277777777777777) internal successors, (495), 327 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 495 transitions. [2022-07-14 13:56:29,739 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 495 transitions. Word has length 56 [2022-07-14 13:56:29,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:29,740 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 495 transitions. [2022-07-14 13:56:29,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 495 transitions. [2022-07-14 13:56:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-14 13:56:29,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:29,742 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:29,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:29,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-14 13:56:29,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:29,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:29,960 INFO L85 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2022-07-14 13:56:29,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:29,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485124153] [2022-07-14 13:56:29,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:29,983 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:29,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124643876] [2022-07-14 13:56:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:29,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:29,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:29,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 13:56:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:30,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:30,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-14 13:56:30,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:30,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:30,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485124153] [2022-07-14 13:56:30,103 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:30,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124643876] [2022-07-14 13:56:30,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124643876] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:30,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:30,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:30,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695333884] [2022-07-14 13:56:30,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:30,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:30,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:30,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:30,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:30,105 INFO L87 Difference]: Start difference. First operand 328 states and 495 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:30,129 INFO L93 Difference]: Finished difference Result 648 states and 981 transitions. [2022-07-14 13:56:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:30,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 77 [2022-07-14 13:56:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:30,132 INFO L225 Difference]: With dead ends: 648 [2022-07-14 13:56:30,132 INFO L226 Difference]: Without dead ends: 432 [2022-07-14 13:56:30,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:30,133 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 129 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:30,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 328 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 13:56:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-07-14 13:56:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2022-07-14 13:56:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 428 states have (on average 1.52803738317757) internal successors, (654), 431 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 654 transitions. [2022-07-14 13:56:30,146 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 654 transitions. Word has length 77 [2022-07-14 13:56:30,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:30,146 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 654 transitions. [2022-07-14 13:56:30,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 654 transitions. [2022-07-14 13:56:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-14 13:56:30,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:30,150 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:30,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:30,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:30,368 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:30,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:30,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1328244108, now seen corresponding path program 1 times [2022-07-14 13:56:30,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:30,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284661241] [2022-07-14 13:56:30,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:30,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:30,400 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:30,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133346212] [2022-07-14 13:56:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:30,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:30,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:30,424 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:30,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-14 13:56:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:30,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:30,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:30,562 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-07-14 13:56:30,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:30,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:30,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284661241] [2022-07-14 13:56:30,563 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:30,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133346212] [2022-07-14 13:56:30,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133346212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:30,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:30,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090013269] [2022-07-14 13:56:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:30,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:30,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:30,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:30,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:30,566 INFO L87 Difference]: Start difference. First operand 432 states and 654 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:30,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:30,693 INFO L93 Difference]: Finished difference Result 1028 states and 1600 transitions. [2022-07-14 13:56:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:30,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 117 [2022-07-14 13:56:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:30,696 INFO L225 Difference]: With dead ends: 1028 [2022-07-14 13:56:30,696 INFO L226 Difference]: Without dead ends: 604 [2022-07-14 13:56:30,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:30,699 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 16 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:30,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 273 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:30,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2022-07-14 13:56:30,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 596. [2022-07-14 13:56:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 592 states have (on average 1.4155405405405406) internal successors, (838), 595 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 838 transitions. [2022-07-14 13:56:30,715 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 838 transitions. Word has length 117 [2022-07-14 13:56:30,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:30,717 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 838 transitions. [2022-07-14 13:56:30,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 838 transitions. [2022-07-14 13:56:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-14 13:56:30,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:30,722 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:30,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:30,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:30,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:30,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:30,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1774973071, now seen corresponding path program 1 times [2022-07-14 13:56:30,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:30,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077557236] [2022-07-14 13:56:30,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:30,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:30,979 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:30,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747001760] [2022-07-14 13:56:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:30,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:30,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:30,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:30,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-14 13:56:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:31,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:31,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-14 13:56:31,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:31,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:31,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077557236] [2022-07-14 13:56:31,091 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:31,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747001760] [2022-07-14 13:56:31,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747001760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:31,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:31,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:31,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128563976] [2022-07-14 13:56:31,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:31,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:31,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:31,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:31,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:31,093 INFO L87 Difference]: Start difference. First operand 596 states and 838 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:31,221 INFO L93 Difference]: Finished difference Result 1360 states and 1972 transitions. [2022-07-14 13:56:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:31,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 159 [2022-07-14 13:56:31,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:31,224 INFO L225 Difference]: With dead ends: 1360 [2022-07-14 13:56:31,224 INFO L226 Difference]: Without dead ends: 724 [2022-07-14 13:56:31,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:31,226 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 19 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:31,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 258 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:31,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2022-07-14 13:56:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 724. [2022-07-14 13:56:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 720 states have (on average 1.3694444444444445) internal successors, (986), 723 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 986 transitions. [2022-07-14 13:56:31,238 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 986 transitions. Word has length 159 [2022-07-14 13:56:31,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:31,238 INFO L495 AbstractCegarLoop]: Abstraction has 724 states and 986 transitions. [2022-07-14 13:56:31,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 986 transitions. [2022-07-14 13:56:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 13:56:31,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:31,240 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:31,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:31,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:31,458 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:31,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:31,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1582016052, now seen corresponding path program 1 times [2022-07-14 13:56:31,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:31,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683052647] [2022-07-14 13:56:31,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:31,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:31,493 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:31,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020155502] [2022-07-14 13:56:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:31,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:31,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:31,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:31,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-14 13:56:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:31,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 13:56:31,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-07-14 13:56:31,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:31,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:31,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683052647] [2022-07-14 13:56:31,649 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:31,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020155502] [2022-07-14 13:56:31,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020155502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:31,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:31,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:31,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354946866] [2022-07-14 13:56:31,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:31,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 13:56:31,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:31,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 13:56:31,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-14 13:56:31,651 INFO L87 Difference]: Start difference. First operand 724 states and 986 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:31,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:31,747 INFO L93 Difference]: Finished difference Result 1464 states and 1989 transitions. [2022-07-14 13:56:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 13:56:31,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 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 187 [2022-07-14 13:56:31,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:31,751 INFO L225 Difference]: With dead ends: 1464 [2022-07-14 13:56:31,751 INFO L226 Difference]: Without dead ends: 1462 [2022-07-14 13:56:31,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-14 13:56:31,752 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 146 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:31,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 567 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:31,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2022-07-14 13:56:31,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 847. [2022-07-14 13:56:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 843 states have (on average 1.387900355871886) internal successors, (1170), 846 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1170 transitions. [2022-07-14 13:56:31,768 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1170 transitions. Word has length 187 [2022-07-14 13:56:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:31,769 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1170 transitions. [2022-07-14 13:56:31,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1170 transitions. [2022-07-14 13:56:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 13:56:31,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:31,771 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:31,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:31,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:31,987 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:31,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1980983818, now seen corresponding path program 1 times [2022-07-14 13:56:31,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:31,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562859133] [2022-07-14 13:56:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:31,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-07-14 13:56:32,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:32,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562859133] [2022-07-14 13:56:32,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562859133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:32,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:32,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:32,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598883624] [2022-07-14 13:56:32,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:32,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:32,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:32,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:32,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:32,103 INFO L87 Difference]: Start difference. First operand 847 states and 1170 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:32,129 INFO L93 Difference]: Finished difference Result 2392 states and 3292 transitions. [2022-07-14 13:56:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:32,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 187 [2022-07-14 13:56:32,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:32,134 INFO L225 Difference]: With dead ends: 2392 [2022-07-14 13:56:32,134 INFO L226 Difference]: Without dead ends: 1553 [2022-07-14 13:56:32,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:32,136 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 115 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:32,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 13:56:32,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2022-07-14 13:56:32,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1549. [2022-07-14 13:56:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1545 states have (on average 1.372168284789644) internal successors, (2120), 1548 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2120 transitions. [2022-07-14 13:56:32,175 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2120 transitions. Word has length 187 [2022-07-14 13:56:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:32,176 INFO L495 AbstractCegarLoop]: Abstraction has 1549 states and 2120 transitions. [2022-07-14 13:56:32,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2120 transitions. [2022-07-14 13:56:32,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 13:56:32,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:32,179 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:32,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 13:56:32,180 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)] === [2022-07-14 13:56:32,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:32,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1716336328, now seen corresponding path program 1 times [2022-07-14 13:56:32,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:32,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931941205] [2022-07-14 13:56:32,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-07-14 13:56:32,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:32,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931941205] [2022-07-14 13:56:32,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931941205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:32,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:32,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:32,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56089142] [2022-07-14 13:56:32,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:32,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:32,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:32,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:32,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:32,221 INFO L87 Difference]: Start difference. First operand 1549 states and 2120 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:32,318 INFO L93 Difference]: Finished difference Result 3209 states and 4412 transitions. [2022-07-14 13:56:32,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:32,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 187 [2022-07-14 13:56:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:32,322 INFO L225 Difference]: With dead ends: 3209 [2022-07-14 13:56:32,322 INFO L226 Difference]: Without dead ends: 1668 [2022-07-14 13:56:32,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:32,325 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 12 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:32,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 277 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2022-07-14 13:56:32,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1641. [2022-07-14 13:56:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1641 states, 1637 states have (on average 1.363469761759316) internal successors, (2232), 1640 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2232 transitions. [2022-07-14 13:56:32,352 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2232 transitions. Word has length 187 [2022-07-14 13:56:32,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:32,352 INFO L495 AbstractCegarLoop]: Abstraction has 1641 states and 2232 transitions. [2022-07-14 13:56:32,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2232 transitions. [2022-07-14 13:56:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-14 13:56:32,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:32,355 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:32,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 13:56:32,356 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:32,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:32,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1804473394, now seen corresponding path program 1 times [2022-07-14 13:56:32,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:32,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578237346] [2022-07-14 13:56:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:32,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:32,368 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:32,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136070070] [2022-07-14 13:56:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:32,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:32,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:32,369 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:32,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-14 13:56:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:32,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 13:56:32,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-14 13:56:32,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 13:56:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-14 13:56:32,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:32,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578237346] [2022-07-14 13:56:32,575 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:32,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136070070] [2022-07-14 13:56:32,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136070070] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 13:56:32,576 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 13:56:32,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-07-14 13:56:32,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022919863] [2022-07-14 13:56:32,578 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 13:56:32,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 13:56:32,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:32,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 13:56:32,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 13:56:32,579 INFO L87 Difference]: Start difference. First operand 1641 states and 2232 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:32,823 INFO L93 Difference]: Finished difference Result 5596 states and 7883 transitions. [2022-07-14 13:56:32,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 13:56:32,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2022-07-14 13:56:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:32,834 INFO L225 Difference]: With dead ends: 5596 [2022-07-14 13:56:32,835 INFO L226 Difference]: Without dead ends: 3882 [2022-07-14 13:56:32,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 372 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 13:56:32,838 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 317 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:32,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 353 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 13:56:32,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2022-07-14 13:56:32,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3291. [2022-07-14 13:56:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3291 states, 3287 states have (on average 1.4657742622452083) internal successors, (4818), 3290 states have internal predecessors, (4818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 4818 transitions. [2022-07-14 13:56:32,904 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 4818 transitions. Word has length 188 [2022-07-14 13:56:32,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:32,904 INFO L495 AbstractCegarLoop]: Abstraction has 3291 states and 4818 transitions. [2022-07-14 13:56:32,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 4818 transitions. [2022-07-14 13:56:32,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-14 13:56:32,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:32,908 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:32,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:33,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:33,122 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:33,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:33,123 INFO L85 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2022-07-14 13:56:33,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:33,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797197014] [2022-07-14 13:56:33,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:33,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:33,143 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:33,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179164229] [2022-07-14 13:56:33,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:33,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:33,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:33,155 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 13:56:33,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-14 13:56:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:33,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 13:56:33,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-14 13:56:33,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:33,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:33,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797197014] [2022-07-14 13:56:33,448 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:33,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179164229] [2022-07-14 13:56:33,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179164229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:33,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:33,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 13:56:33,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16488514] [2022-07-14 13:56:33,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:33,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 13:56:33,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:33,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 13:56:33,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-14 13:56:33,451 INFO L87 Difference]: Start difference. First operand 3291 states and 4818 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:33,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:33,583 INFO L93 Difference]: Finished difference Result 6011 states and 8810 transitions. [2022-07-14 13:56:33,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 13:56:33,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 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 189 [2022-07-14 13:56:33,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:33,594 INFO L225 Difference]: With dead ends: 6011 [2022-07-14 13:56:33,594 INFO L226 Difference]: Without dead ends: 3989 [2022-07-14 13:56:33,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-14 13:56:33,597 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 201 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:33,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 542 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3989 states. [2022-07-14 13:56:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3989 to 3987. [2022-07-14 13:56:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3987 states, 3983 states have (on average 1.4702485563645493) internal successors, (5856), 3986 states have internal predecessors, (5856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 5856 transitions. [2022-07-14 13:56:33,678 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 5856 transitions. Word has length 189 [2022-07-14 13:56:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:33,678 INFO L495 AbstractCegarLoop]: Abstraction has 3987 states and 5856 transitions. [2022-07-14 13:56:33,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 5856 transitions. [2022-07-14 13:56:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-14 13:56:33,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:33,683 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:33,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:33,898 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,SelfDestructingSolverStorable10 [2022-07-14 13:56:33,899 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2022-07-14 13:56:33,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:33,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692502148] [2022-07-14 13:56:33,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:33,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:33,910 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:33,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [939318244] [2022-07-14 13:56:33,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:33,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:33,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:33,912 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) [2022-07-14 13:56:33,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-14 13:56:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:33,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 13:56:33,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-07-14 13:56:34,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:34,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692502148] [2022-07-14 13:56:34,081 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:34,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939318244] [2022-07-14 13:56:34,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939318244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:34,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:34,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 13:56:34,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051373558] [2022-07-14 13:56:34,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:34,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 13:56:34,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:34,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 13:56:34,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-14 13:56:34,083 INFO L87 Difference]: Start difference. First operand 3987 states and 5856 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:34,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:34,290 INFO L93 Difference]: Finished difference Result 7256 states and 10696 transitions. [2022-07-14 13:56:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 13:56:34,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 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 190 [2022-07-14 13:56:34,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:34,300 INFO L225 Difference]: With dead ends: 7256 [2022-07-14 13:56:34,300 INFO L226 Difference]: Without dead ends: 3998 [2022-07-14 13:56:34,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-14 13:56:34,305 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 205 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:34,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 522 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 13:56:34,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3998 states. [2022-07-14 13:56:34,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3998 to 3986. [2022-07-14 13:56:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3986 states, 3982 states have (on average 1.4434957307885485) internal successors, (5748), 3985 states have internal predecessors, (5748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3986 states to 3986 states and 5748 transitions. [2022-07-14 13:56:34,383 INFO L78 Accepts]: Start accepts. Automaton has 3986 states and 5748 transitions. Word has length 190 [2022-07-14 13:56:34,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:34,383 INFO L495 AbstractCegarLoop]: Abstraction has 3986 states and 5748 transitions. [2022-07-14 13:56:34,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3986 states and 5748 transitions. [2022-07-14 13:56:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-07-14 13:56:34,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:34,389 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:34,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:34,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:34,603 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:34,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1540543185, now seen corresponding path program 1 times [2022-07-14 13:56:34,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:34,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377582548] [2022-07-14 13:56:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:34,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-14 13:56:34,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:34,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377582548] [2022-07-14 13:56:34,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377582548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:34,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:34,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106675499] [2022-07-14 13:56:34,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:34,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:34,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:34,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:34,638 INFO L87 Difference]: Start difference. First operand 3986 states and 5748 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:34,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:34,773 INFO L93 Difference]: Finished difference Result 8704 states and 12704 transitions. [2022-07-14 13:56:34,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:34,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 235 [2022-07-14 13:56:34,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:34,785 INFO L225 Difference]: With dead ends: 8704 [2022-07-14 13:56:34,785 INFO L226 Difference]: Without dead ends: 4726 [2022-07-14 13:56:34,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:34,790 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 28 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:34,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 276 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:34,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2022-07-14 13:56:34,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4486. [2022-07-14 13:56:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4486 states, 4482 states have (on average 1.4163319946452477) internal successors, (6348), 4485 states have internal predecessors, (6348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4486 states to 4486 states and 6348 transitions. [2022-07-14 13:56:34,873 INFO L78 Accepts]: Start accepts. Automaton has 4486 states and 6348 transitions. Word has length 235 [2022-07-14 13:56:34,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:34,873 INFO L495 AbstractCegarLoop]: Abstraction has 4486 states and 6348 transitions. [2022-07-14 13:56:34,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 4486 states and 6348 transitions. [2022-07-14 13:56:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-14 13:56:34,878 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:34,879 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:34,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 13:56:34,879 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:34,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash 389481796, now seen corresponding path program 1 times [2022-07-14 13:56:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:34,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975218598] [2022-07-14 13:56:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:34,897 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:34,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [192256925] [2022-07-14 13:56:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:34,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:34,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:34,899 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) [2022-07-14 13:56:34,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-14 13:56:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:34,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:34,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-07-14 13:56:35,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:35,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:35,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975218598] [2022-07-14 13:56:35,004 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:35,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192256925] [2022-07-14 13:56:35,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192256925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:35,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:35,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:35,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172218187] [2022-07-14 13:56:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:35,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:35,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:35,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:35,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:35,006 INFO L87 Difference]: Start difference. First operand 4486 states and 6348 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:35,137 INFO L93 Difference]: Finished difference Result 8975 states and 12608 transitions. [2022-07-14 13:56:35,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:35,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 259 [2022-07-14 13:56:35,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:35,157 INFO L225 Difference]: With dead ends: 8975 [2022-07-14 13:56:35,157 INFO L226 Difference]: Without dead ends: 2692 [2022-07-14 13:56:35,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:35,163 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 9 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:35,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 276 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:35,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2022-07-14 13:56:35,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2672. [2022-07-14 13:56:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2668 states have (on average 1.4077961019490255) internal successors, (3756), 2671 states have internal predecessors, (3756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3756 transitions. [2022-07-14 13:56:35,228 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3756 transitions. Word has length 259 [2022-07-14 13:56:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:35,228 INFO L495 AbstractCegarLoop]: Abstraction has 2672 states and 3756 transitions. [2022-07-14 13:56:35,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3756 transitions. [2022-07-14 13:56:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-07-14 13:56:35,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:35,232 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:35,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:35,447 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 [2022-07-14 13:56:35,447 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:35,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:35,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1664705627, now seen corresponding path program 1 times [2022-07-14 13:56:35,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:35,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524046647] [2022-07-14 13:56:35,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:35,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:35,481 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-07-14 13:56:35,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:35,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524046647] [2022-07-14 13:56:35,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524046647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:35,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:35,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:35,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585090318] [2022-07-14 13:56:35,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:35,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:35,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:35,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:35,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:35,483 INFO L87 Difference]: Start difference. First operand 2672 states and 3756 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:35,574 INFO L93 Difference]: Finished difference Result 5732 states and 8160 transitions. [2022-07-14 13:56:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:35,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 261 [2022-07-14 13:56:35,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:35,579 INFO L225 Difference]: With dead ends: 5732 [2022-07-14 13:56:35,579 INFO L226 Difference]: Without dead ends: 3068 [2022-07-14 13:56:35,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:35,583 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 17 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:35,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 273 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:35,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-07-14 13:56:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2996. [2022-07-14 13:56:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2992 states have (on average 1.3836898395721926) internal successors, (4140), 2995 states have internal predecessors, (4140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4140 transitions. [2022-07-14 13:56:35,638 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4140 transitions. Word has length 261 [2022-07-14 13:56:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:35,639 INFO L495 AbstractCegarLoop]: Abstraction has 2996 states and 4140 transitions. [2022-07-14 13:56:35,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4140 transitions. [2022-07-14 13:56:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-14 13:56:35,642 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:35,643 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:35,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 13:56:35,643 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:35,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:35,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1728292579, now seen corresponding path program 1 times [2022-07-14 13:56:35,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:35,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049405145] [2022-07-14 13:56:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:35,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-14 13:56:35,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:35,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049405145] [2022-07-14 13:56:35,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049405145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:35,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:35,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:35,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640523765] [2022-07-14 13:56:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:35,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:35,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:35,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:35,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:35,689 INFO L87 Difference]: Start difference. First operand 2996 states and 4140 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 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) [2022-07-14 13:56:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:35,791 INFO L93 Difference]: Finished difference Result 6344 states and 8856 transitions. [2022-07-14 13:56:35,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:35,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 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) Word has length 284 [2022-07-14 13:56:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:35,797 INFO L225 Difference]: With dead ends: 6344 [2022-07-14 13:56:35,797 INFO L226 Difference]: Without dead ends: 3356 [2022-07-14 13:56:35,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:35,801 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 10 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:35,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 273 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:35,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2022-07-14 13:56:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 2630. [2022-07-14 13:56:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 2626 states have (on average 1.3853769992383853) internal successors, (3638), 2629 states have internal predecessors, (3638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:35,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 3638 transitions. [2022-07-14 13:56:35,844 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 3638 transitions. Word has length 284 [2022-07-14 13:56:35,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:35,844 INFO L495 AbstractCegarLoop]: Abstraction has 2630 states and 3638 transitions. [2022-07-14 13:56:35,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 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) [2022-07-14 13:56:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3638 transitions. [2022-07-14 13:56:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-14 13:56:35,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:35,848 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:35,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 13:56:35,849 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:35,849 INFO L85 PathProgramCache]: Analyzing trace with hash -233670048, now seen corresponding path program 1 times [2022-07-14 13:56:35,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:35,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539484248] [2022-07-14 13:56:35,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:35,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-14 13:56:35,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:35,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539484248] [2022-07-14 13:56:35,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539484248] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 13:56:35,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495541573] [2022-07-14 13:56:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:35,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:35,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:35,903 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) [2022-07-14 13:56:35,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-14 13:56:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:35,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 13:56:35,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-14 13:56:36,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 13:56:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-14 13:56:36,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495541573] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 13:56:36,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 13:56:36,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-07-14 13:56:36,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242765492] [2022-07-14 13:56:36,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 13:56:36,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 13:56:36,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:36,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 13:56:36,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 13:56:36,124 INFO L87 Difference]: Start difference. First operand 2630 states and 3638 transitions. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:36,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:36,419 INFO L93 Difference]: Finished difference Result 6480 states and 9038 transitions. [2022-07-14 13:56:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 13:56:36,419 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 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 326 [2022-07-14 13:56:36,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:36,425 INFO L225 Difference]: With dead ends: 6480 [2022-07-14 13:56:36,425 INFO L226 Difference]: Without dead ends: 3774 [2022-07-14 13:56:36,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 13:56:36,428 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 509 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:36,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 428 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 13:56:36,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2022-07-14 13:56:36,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 2993. [2022-07-14 13:56:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 2989 states have (on average 1.4275677484108398) internal successors, (4267), 2992 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 4267 transitions. [2022-07-14 13:56:36,476 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 4267 transitions. Word has length 326 [2022-07-14 13:56:36,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:36,476 INFO L495 AbstractCegarLoop]: Abstraction has 2993 states and 4267 transitions. [2022-07-14 13:56:36,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:36,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 4267 transitions. [2022-07-14 13:56:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-07-14 13:56:36,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:36,481 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:36,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:36,695 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,SelfDestructingSolverStorable16 [2022-07-14 13:56:36,695 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:36,696 INFO L85 PathProgramCache]: Analyzing trace with hash 287960574, now seen corresponding path program 1 times [2022-07-14 13:56:36,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:36,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432443895] [2022-07-14 13:56:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 1109 proven. 0 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2022-07-14 13:56:36,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:36,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432443895] [2022-07-14 13:56:36,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432443895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:36,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:36,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:36,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92037279] [2022-07-14 13:56:36,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:36,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:36,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:36,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:36,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:36,759 INFO L87 Difference]: Start difference. First operand 2993 states and 4267 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:36,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:36,862 INFO L93 Difference]: Finished difference Result 6410 states and 9242 transitions. [2022-07-14 13:56:36,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:36,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2022-07-14 13:56:36,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:36,868 INFO L225 Difference]: With dead ends: 6410 [2022-07-14 13:56:36,868 INFO L226 Difference]: Without dead ends: 3425 [2022-07-14 13:56:36,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:36,871 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 10 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:36,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 273 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:36,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2022-07-14 13:56:36,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3401. [2022-07-14 13:56:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3401 states, 3397 states have (on average 1.3938769502502208) internal successors, (4735), 3400 states have internal predecessors, (4735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3401 states and 4735 transitions. [2022-07-14 13:56:36,921 INFO L78 Accepts]: Start accepts. Automaton has 3401 states and 4735 transitions. Word has length 401 [2022-07-14 13:56:36,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:36,921 INFO L495 AbstractCegarLoop]: Abstraction has 3401 states and 4735 transitions. [2022-07-14 13:56:36,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 4735 transitions. [2022-07-14 13:56:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-14 13:56:36,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:36,927 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:36,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-14 13:56:36,927 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:36,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:36,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1592543626, now seen corresponding path program 1 times [2022-07-14 13:56:36,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:36,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424010542] [2022-07-14 13:56:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:36,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:36,951 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:36,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [695881671] [2022-07-14 13:56:36,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:36,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:36,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:36,953 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) [2022-07-14 13:56:36,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-14 13:56:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:37,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:37,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:37,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1817 trivial. 0 not checked. [2022-07-14 13:56:37,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:37,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:37,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424010542] [2022-07-14 13:56:37,096 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:37,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695881671] [2022-07-14 13:56:37,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695881671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:37,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:37,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:37,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358552201] [2022-07-14 13:56:37,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:37,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:37,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:37,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:37,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:37,098 INFO L87 Difference]: Start difference. First operand 3401 states and 4735 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:37,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:37,249 INFO L93 Difference]: Finished difference Result 7004 states and 9826 transitions. [2022-07-14 13:56:37,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:37,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 432 [2022-07-14 13:56:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:37,255 INFO L225 Difference]: With dead ends: 7004 [2022-07-14 13:56:37,255 INFO L226 Difference]: Without dead ends: 3571 [2022-07-14 13:56:37,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:37,259 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 22 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:37,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 266 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:37,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2022-07-14 13:56:37,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3464. [2022-07-14 13:56:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3464 states, 3460 states have (on average 1.3748554913294797) internal successors, (4757), 3463 states have internal predecessors, (4757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 3464 states and 4757 transitions. [2022-07-14 13:56:37,307 INFO L78 Accepts]: Start accepts. Automaton has 3464 states and 4757 transitions. Word has length 432 [2022-07-14 13:56:37,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:37,307 INFO L495 AbstractCegarLoop]: Abstraction has 3464 states and 4757 transitions. [2022-07-14 13:56:37,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:37,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3464 states and 4757 transitions. [2022-07-14 13:56:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-14 13:56:37,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:37,312 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 9, 7, 7, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:37,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:37,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:37,528 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:37,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:37,528 INFO L85 PathProgramCache]: Analyzing trace with hash 237345426, now seen corresponding path program 1 times [2022-07-14 13:56:37,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:37,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243954286] [2022-07-14 13:56:37,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:37,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:37,547 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-14 13:56:37,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097457542] [2022-07-14 13:56:37,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:37,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:37,549 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) [2022-07-14 13:56:37,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-14 13:56:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:37,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 13:56:37,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3028 backedges. 1768 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-07-14 13:56:37,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 13:56:37,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:37,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243954286] [2022-07-14 13:56:37,701 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-14 13:56:37,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097457542] [2022-07-14 13:56:37,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097457542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 13:56:37,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 13:56:37,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 13:56:37,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935573297] [2022-07-14 13:56:37,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 13:56:37,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 13:56:37,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:37,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 13:56:37,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:37,702 INFO L87 Difference]: Start difference. First operand 3464 states and 4757 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:37,852 INFO L93 Difference]: Finished difference Result 6472 states and 8812 transitions. [2022-07-14 13:56:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 13:56:37,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 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 506 [2022-07-14 13:56:37,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:37,856 INFO L225 Difference]: With dead ends: 6472 [2022-07-14 13:56:37,856 INFO L226 Difference]: Without dead ends: 3016 [2022-07-14 13:56:37,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 13:56:37,858 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 42 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:37,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 254 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 13:56:37,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3016 states. [2022-07-14 13:56:37,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3016 to 3008. [2022-07-14 13:56:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 3004 states have (on average 1.312583222370173) internal successors, (3943), 3007 states have internal predecessors, (3943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:37,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 3943 transitions. [2022-07-14 13:56:37,899 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 3943 transitions. Word has length 506 [2022-07-14 13:56:37,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:37,899 INFO L495 AbstractCegarLoop]: Abstraction has 3008 states and 3943 transitions. [2022-07-14 13:56:37,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 3943 transitions. [2022-07-14 13:56:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-07-14 13:56:37,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 13:56:37,903 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:37,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:38,119 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,SelfDestructingSolverStorable19 [2022-07-14 13:56:38,120 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-07-14 13:56:38,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 13:56:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1715123462, now seen corresponding path program 1 times [2022-07-14 13:56:38,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 13:56:38,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002123167] [2022-07-14 13:56:38,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:38,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 13:56:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2022-07-14 13:56:38,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 13:56:38,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002123167] [2022-07-14 13:56:38,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002123167] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 13:56:38,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071928256] [2022-07-14 13:56:38,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 13:56:38,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:38,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 13:56:38,185 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) [2022-07-14 13:56:38,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-14 13:56:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 13:56:38,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 13:56:38,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 13:56:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2022-07-14 13:56:38,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 13:56:38,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2022-07-14 13:56:38,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071928256] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 13:56:38,425 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 13:56:38,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-14 13:56:38,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686387050] [2022-07-14 13:56:38,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 13:56:38,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 13:56:38,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 13:56:38,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 13:56:38,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-14 13:56:38,426 INFO L87 Difference]: Start difference. First operand 3008 states and 3943 transitions. Second operand has 8 states, 8 states have (on average 39.375) internal successors, (315), 8 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 13:56:38,777 INFO L93 Difference]: Finished difference Result 5594 states and 7399 transitions. [2022-07-14 13:56:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 13:56:38,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 39.375) internal successors, (315), 8 states have internal predecessors, (315), 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 516 [2022-07-14 13:56:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 13:56:38,788 INFO L225 Difference]: With dead ends: 5594 [2022-07-14 13:56:38,788 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 13:56:38,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 1031 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-14 13:56:38,793 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 193 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 13:56:38,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 826 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 13:56:38,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 13:56:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 13:56:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 13:56:38,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 516 [2022-07-14 13:56:38,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 13:56:38,795 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 13:56:38,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 39.375) internal successors, (315), 8 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 13:56:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 13:56:38,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 13:56:38,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-07-14 13:56:38,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-07-14 13:56:38,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-07-14 13:56:38,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-07-14 13:56:38,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-07-14 13:56:38,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-07-14 13:56:38,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-07-14 13:56:38,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-07-14 13:56:38,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-14 13:56:39,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 13:56:39,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-14 13:56:42,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2022-07-14 13:56:42,306 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2022-07-14 13:56:42,306 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-07-14 13:56:42,306 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2022-07-14 13:56:42,306 INFO L895 garLoopResultBuilder]: At program point L598(lines 109 666) the Hoare annotation is: (let ((.cse1 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse0 (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and .cse2 .cse3 .cse4 .cse1) (and .cse5 .cse2 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (and (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0) (and .cse2 .cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse4) (and .cse0 .cse4) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) (and .cse0 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528) .cse0) (and .cse5 .cse2 .cse6 .cse4))) [2022-07-14 13:56:42,306 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2022-07-14 13:56:42,307 INFO L902 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2022-07-14 13:56:42,307 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L895 garLoopResultBuilder]: At program point L206(lines 202 605) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse1) (and (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) .cse1))) [2022-07-14 13:56:42,308 INFO L895 garLoopResultBuilder]: At program point L173(lines 169 616) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,308 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-07-14 13:56:42,309 INFO L895 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,309 INFO L899 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse1 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse0 (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and .cse2 .cse3 .cse4 .cse1) (and .cse5 .cse2 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (and (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0) (and .cse2 .cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse4) (and .cse0 .cse4) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640)) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) (and .cse0 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528) .cse0) (and .cse5 .cse2 .cse6 .cse4))) [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2022-07-14 13:56:42,310 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2022-07-14 13:56:42,311 INFO L899 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2022-07-14 13:56:42,311 INFO L895 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,311 INFO L895 garLoopResultBuilder]: At program point L176(lines 175 614) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse1 .cse2 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (and .cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse3))) [2022-07-14 13:56:42,311 INFO L895 garLoopResultBuilder]: At program point L143(lines 136 627) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2022-07-14 13:56:42,311 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-14 13:56:42,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,311 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2022-07-14 13:56:42,311 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2022-07-14 13:56:42,311 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L895 garLoopResultBuilder]: At program point L212(lines 208 603) the Hoare annotation is: (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) [2022-07-14 13:56:42,312 INFO L902 garLoopResultBuilder]: At program point L113(lines 112 635) the Hoare annotation is: true [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,312 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L512-2(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point L512-3(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,313 INFO L902 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: true [2022-07-14 13:56:42,314 INFO L895 garLoopResultBuilder]: At program point L182(lines 178 613) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse1 .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)))) [2022-07-14 13:56:42,314 INFO L895 garLoopResultBuilder]: At program point L149(lines 145 624) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2022-07-14 13:56:42,314 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L902 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: true [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L895 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,315 INFO L902 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L902 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2022-07-14 13:56:42,316 INFO L895 garLoopResultBuilder]: At program point L188(lines 184 611) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse1 .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)))) [2022-07-14 13:56:42,316 INFO L895 garLoopResultBuilder]: At program point L155(lines 151 622) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L902 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: true [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2022-07-14 13:56:42,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2022-07-14 13:56:42,318 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L895 garLoopResultBuilder]: At program point L194(lines 190 609) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and (not (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2022-07-14 13:56:42,319 INFO L895 garLoopResultBuilder]: At program point L161(lines 157 620) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2022-07-14 13:56:42,319 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L895 garLoopResultBuilder]: At program point L131(lines 127 630) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L902 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: true [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2022-07-14 13:56:42,320 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2022-07-14 13:56:42,321 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2022-07-14 13:56:42,321 INFO L902 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2022-07-14 13:56:42,321 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2022-07-14 13:56:42,321 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-07-14 13:56:42,321 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2022-07-14 13:56:42,321 INFO L895 garLoopResultBuilder]: At program point L200(lines 196 607) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse1) (and .cse0 .cse1))) [2022-07-14 13:56:42,321 INFO L895 garLoopResultBuilder]: At program point L167(lines 163 618) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse0))) [2022-07-14 13:56:42,321 INFO L895 garLoopResultBuilder]: At program point L134(lines 133 628) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) [2022-07-14 13:56:42,324 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 13:56:42,325 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-14 13:56:42,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 01:56:42 BoogieIcfgContainer [2022-07-14 13:56:42,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-14 13:56:42,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 13:56:42,341 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 13:56:42,341 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 13:56:42,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:56:28" (3/4) ... [2022-07-14 13:56:42,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-14 13:56:42,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-14 13:56:42,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-14 13:56:42,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-14 13:56:42,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-14 13:56:42,398 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 13:56:42,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 13:56:42,399 INFO L158 Benchmark]: Toolchain (without parser) took 14722.64ms. Allocated memory was 102.8MB in the beginning and 325.1MB in the end (delta: 222.3MB). Free memory was 71.5MB in the beginning and 137.8MB in the end (delta: -66.3MB). Peak memory consumption was 155.4MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,399 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 13:56:42,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.50ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 73.8MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.30ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 70.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,399 INFO L158 Benchmark]: Boogie Preprocessor took 37.59ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,400 INFO L158 Benchmark]: RCFGBuilder took 582.71ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 108.2MB in the end (delta: -39.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,400 INFO L158 Benchmark]: TraceAbstraction took 13695.78ms. Allocated memory was 146.8MB in the beginning and 325.1MB in the end (delta: 178.3MB). Free memory was 107.6MB in the beginning and 145.1MB in the end (delta: -37.6MB). Peak memory consumption was 190.1MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,400 INFO L158 Benchmark]: Witness Printer took 57.44ms. Allocated memory is still 325.1MB. Free memory was 145.1MB in the beginning and 137.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 13:56:42,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.50ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 73.8MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.30ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 70.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.59ms. Allocated memory is still 102.8MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.71ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 108.2MB in the end (delta: -39.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13695.78ms. Allocated memory was 146.8MB in the beginning and 325.1MB in the end (delta: 178.3MB). Free memory was 107.6MB in the beginning and 145.1MB in the end (delta: -37.6MB). Peak memory consumption was 190.1MB. Max. memory is 16.1GB. * Witness Printer took 57.44ms. Allocated memory is still 325.1MB. Free memory was 145.1MB in the beginning and 137.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 21, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2261 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2261 mSDsluCounter, 7656 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3255 mSDsCounter, 449 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2982 IncrementalHoareTripleChecker+Invalid, 3431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 449 mSolverCounterUnsat, 4401 mSDtfsCounter, 2982 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4295 GetRequests, 4254 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4486occurred in iteration=13, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 21 MinimizatonAttempts, 3237 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 499 NumberOfFragments, 674 HoareAnnotationTreeSize, 29 FomulaSimplifications, 21015 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 29 FomulaSimplificationsInter, 11567 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 5656 NumberOfCodeBlocks, 5656 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 6660 ConstructedInterpolants, 0 QuantifiedInterpolants, 9815 SizeOfPredicates, 3 NumberOfNonLiveVariables, 5771 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 24472/24680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && 8640 <= s__state) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 == 8640) && s__state == 8640) && !(0 == s__hit))) || (blastFlag <= 2 && !(0 == s__hit)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 8672 <= s__state && blastFlag <= 3 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2 && s__state <= 8448) && s__s3__tmp__next_state___0 <= 8576) || ((s__state <= 8448 && blastFlag <= 3) && 3 == s__s3__tmp__next_state___0)) || (s__state <= 8448 && blastFlag <= 1)) || ((blastFlag <= 2 && s__state <= 8448) && !(0 == s__hit))) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 == 8640) && !(0 == s__hit)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((blastFlag <= 2 && 8656 <= s__state) || (blastFlag <= 2 && s__state == 8512)) || (blastFlag <= 2 && 8544 == s__state)) || (8672 <= s__state && blastFlag <= 3)) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 <= 8576) && !(0 == s__hit)) && 8656 <= s__state)) || ((s__state <= 8448 && blastFlag <= 3) && 3 == s__s3__tmp__next_state___0)) || (8560 == s__state && blastFlag <= 2)) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 == 8640) && s__state == 8640) && !(0 == s__hit))) || (blastFlag <= 2 && !(0 == s__hit))) || s__state <= 3) || ((blastFlag <= 2 && 8640 <= s__state) && s__state <= 8640)) || blastFlag <= 1) || ((blastFlag <= 2 && s__state < 8640) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8528 && blastFlag <= 2)) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 == 8640) && !(0 == s__hit)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((s__state < 8640 && blastFlag <= 1) || ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit))) || ((blastFlag <= 2 && s__state < 8640) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: s__state <= 8640 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) || (!(8576 <= s__state) && blastFlag <= 2) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((blastFlag <= 2 && 8656 <= s__state) || (blastFlag <= 2 && s__state == 8512)) || (blastFlag <= 2 && 8544 == s__state)) || (8672 <= s__state && blastFlag <= 3)) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 <= 8576) && !(0 == s__hit)) && 8656 <= s__state)) || ((s__state <= 8448 && blastFlag <= 3) && 3 == s__s3__tmp__next_state___0)) || (8560 == s__state && blastFlag <= 2)) || (((blastFlag <= 3 && s__s3__tmp__next_state___0 == 8640) && s__state == 8640) && !(0 == s__hit))) || (blastFlag <= 2 && !(0 == s__hit))) || s__state <= 3) || ((blastFlag <= 2 && 8640 <= s__state) && s__state <= 8640)) || blastFlag <= 1) || ((blastFlag <= 2 && s__state < 8640) && s__s3__tmp__next_state___0 <= 8576)) || (s__state == 8528 && blastFlag <= 2)) || (((s__state <= 8448 && blastFlag <= 3) && s__s3__tmp__next_state___0 == 8640) && !(0 == s__hit)) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(8640 <= s__state) && blastFlag <= 2) || ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((s__state < 8576 && blastFlag <= 2) && s__s3__tmp__next_state___0 <= 8576) || (s__state < 8576 && blastFlag <= 1)) || ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit)) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((s__state < 8640 && blastFlag <= 1) || ((blastFlag <= 2 && s__state <= 8640) && !(0 == s__hit))) || ((blastFlag <= 2 && s__state < 8640) && s__s3__tmp__next_state___0 <= 8576) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((blastFlag <= 2 && 8656 <= s__state) || (blastFlag <= 2 && !(0 == s__hit))) || ((8640 <= s__state && blastFlag <= 3) && !(0 == s__hit)) RESULT: Ultimate proved your program to be correct! [2022-07-14 13:56:42,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE