./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-200-1-6-sat-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/xcsp/aim-200-1-6-sat-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81bce634cb0af6dc27da7ca236b1ad649c6bf90111433dc411fa631a663987d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:11:06,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:11:06,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:11:06,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:11:06,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:11:06,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:11:06,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:11:06,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:11:06,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:11:06,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:11:06,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:11:06,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:11:06,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:11:06,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:11:06,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:11:06,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:11:06,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:11:06,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:11:06,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:11:06,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:11:06,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:11:06,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:11:06,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:11:06,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:11:06,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:11:06,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:11:06,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:11:06,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:11:06,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:11:06,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:11:06,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:11:06,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:11:06,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:11:06,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:11:06,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:11:06,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:11:06,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:11:06,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:11:06,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:11:06,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:11:06,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:11:06,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 19:11:06,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:11:06,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:11:06,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:11:06,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:11:06,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:11:06,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:11:06,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:11:06,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:11:06,662 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:11:06,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:11:06,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:11:06,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 19:11:06,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:11:06,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:11:06,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:11:06,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:11:06,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:11:06,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:11:06,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:11:06,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:11:06,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:11:06,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:11:06,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:11:06,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:11:06,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:06,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:11:06,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:11:06,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:11:06,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 19:11:06,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 19:11:06,667 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:11:06,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:11:06,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:11:06,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81bce634cb0af6dc27da7ca236b1ad649c6bf90111433dc411fa631a663987d9 [2022-02-20 19:11:06,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:11:06,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:11:06,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:11:06,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:11:06,944 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:11:06,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-1-6-sat-2.c [2022-02-20 19:11:07,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e6bd054/a2f6d812ddc04e2db1e99d489f8dce0b/FLAGd920ef8a1 [2022-02-20 19:11:07,489 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:11:07,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-1-6-sat-2.c [2022-02-20 19:11:07,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e6bd054/a2f6d812ddc04e2db1e99d489f8dce0b/FLAGd920ef8a1 [2022-02-20 19:11:07,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e6bd054/a2f6d812ddc04e2db1e99d489f8dce0b [2022-02-20 19:11:07,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:11:07,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:11:07,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:07,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:11:07,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:11:07,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600f492f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:07, skipping insertion in model container [2022-02-20 19:11:07,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:07" (1/1) ... [2022-02-20 19:11:07,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:11:08,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:11:08,461 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/xcsp/aim-200-1-6-sat-2.c[38265,38278] [2022-02-20 19:11:08,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:08,483 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:11:08,618 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/xcsp/aim-200-1-6-sat-2.c[38265,38278] [2022-02-20 19:11:08,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:08,638 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:11:08,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08 WrapperNode [2022-02-20 19:11:08,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:08,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:08,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:11:08,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:11:08,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,841 INFO L137 Inliner]: procedures = 13, calls = 723, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1533 [2022-02-20 19:11:08,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:08,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:11:08,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:11:08,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:11:08,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:11:08,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:11:08,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:11:08,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:11:08,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (1/1) ... [2022-02-20 19:11:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:09,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:11:09,025 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) [2022-02-20 19:11:09,039 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 [2022-02-20 19:11:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:11:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:11:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:11:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 19:11:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-02-20 19:11:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-02-20 19:11:09,199 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:11:09,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:11:10,861 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:11:10,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:11:10,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:11:10,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:10 BoogieIcfgContainer [2022-02-20 19:11:10,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:11:10,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:11:10,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:11:10,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:11:10,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:11:07" (1/3) ... [2022-02-20 19:11:10,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7582b729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:10, skipping insertion in model container [2022-02-20 19:11:10,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:08" (2/3) ... [2022-02-20 19:11:10,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7582b729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:10, skipping insertion in model container [2022-02-20 19:11:10,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:10" (3/3) ... [2022-02-20 19:11:10,897 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-200-1-6-sat-2.c [2022-02-20 19:11:10,904 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:11:10,904 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 19:11:10,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:11:10,976 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 19:11:10,977 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 19:11:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 927 states, 208 states have (on average 1.0096153846153846) internal successors, (210), 209 states have internal predecessors, (210), 716 states have call successors, (716), 1 states have call predecessors, (716), 1 states have return successors, (716), 716 states have call predecessors, (716), 716 states have call successors, (716) [2022-02-20 19:11:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3784 [2022-02-20 19:11:11,297 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:11:11,299 INFO L514 BasicCegarLoop]: trace histogram [716, 716, 716, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:11:11,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:11:11,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:11:11,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1877213488, now seen corresponding path program 1 times [2022-02-20 19:11:11,310 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:11:11,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971397850] [2022-02-20 19:11:11,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:11:11,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:11:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:28,861 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 19:11:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 19:11:42,720 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 19:11:42,722 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 19:11:42,723 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 19:11:42,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 19:11:42,728 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-20 19:11:42,734 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 19:11:43,636 FATAL L489 DefaultTranslator]: Callstack has procedure call flag but succeeding procedure is empty at [CALL] call assume((if ~var0~0 >= 0 then 1 else 0)); [2022-02-20 19:11:43,637 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: callstack broken after backtranslation by InlinerBacktranslator at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:607) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-20 19:11:43,644 INFO L158 Benchmark]: Toolchain (without parser) took 35661.15ms. Allocated memory was 83.9MB in the beginning and 539.0MB in the end (delta: 455.1MB). Free memory was 47.5MB in the beginning and 318.0MB in the end (delta: -270.5MB). Peak memory consumption was 466.0MB. Max. memory is 16.1GB. [2022-02-20 19:11:43,645 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 19:11:43,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.60ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 57.8MB in the end (delta: -10.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-02-20 19:11:43,647 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.40ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 86.8MB in the end (delta: -29.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-02-20 19:11:43,648 INFO L158 Benchmark]: Boogie Preprocessor took 138.34ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 76.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 19:11:43,652 INFO L158 Benchmark]: RCFGBuilder took 1908.30ms. Allocated memory is still 127.9MB. Free memory was 76.4MB in the beginning and 50.6MB in the end (delta: 25.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-02-20 19:11:43,653 INFO L158 Benchmark]: TraceAbstraction took 32751.51ms. Allocated memory was 127.9MB in the beginning and 539.0MB in the end (delta: 411.0MB). Free memory was 50.0MB in the beginning and 318.0MB in the end (delta: -268.1MB). Peak memory consumption was 425.0MB. Max. memory is 16.1GB. [2022-02-20 19:11:43,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.60ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 47.3MB in the beginning and 57.8MB in the end (delta: -10.6MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 201.40ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 86.8MB in the end (delta: -29.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.34ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 76.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1908.30ms. Allocated memory is still 127.9MB. Free memory was 76.4MB in the beginning and 50.6MB in the end (delta: 25.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 32751.51ms. Allocated memory was 127.9MB in the beginning and 539.0MB in the end (delta: 411.0MB). Free memory was 50.0MB in the beginning and 318.0MB in the end (delta: -268.1MB). Peak memory consumption was 425.0MB. 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 - ExceptionOrErrorResult: AssertionError: callstack broken after backtranslation by InlinerBacktranslator de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: callstack broken after backtranslation by InlinerBacktranslator: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 19:11:43,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/xcsp/aim-200-1-6-sat-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81bce634cb0af6dc27da7ca236b1ad649c6bf90111433dc411fa631a663987d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:11:45,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:11:45,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:11:45,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:11:45,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:11:45,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:11:45,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:11:45,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:11:45,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:11:45,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:11:45,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:11:45,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:11:45,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:11:45,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:11:45,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:11:45,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:11:45,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:11:45,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:11:45,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:11:45,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:11:45,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:11:45,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:11:45,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:11:45,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:11:45,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:11:45,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:11:45,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:11:45,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:11:45,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:11:45,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:11:45,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:11:45,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:11:45,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:11:45,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:11:45,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:11:45,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:11:45,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:11:45,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:11:45,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:11:45,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:11:45,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:11:45,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 19:11:45,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:11:45,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:11:45,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:11:45,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:11:45,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:11:45,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:11:45,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:11:45,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:11:45,728 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:11:45,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:11:45,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:11:45,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:11:45,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:11:45,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:11:45,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:11:45,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:11:45,730 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 19:11:45,731 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 19:11:45,731 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 19:11:45,731 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:11:45,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:11:45,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:11:45,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:11:45,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:11:45,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:11:45,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:11:45,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:45,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:11:45,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:11:45,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:11:45,734 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 19:11:45,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 19:11:45,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:11:45,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:11:45,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:11:45,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 19:11:45,735 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81bce634cb0af6dc27da7ca236b1ad649c6bf90111433dc411fa631a663987d9 [2022-02-20 19:11:46,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:11:46,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:11:46,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:11:46,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:11:46,068 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:11:46,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-1-6-sat-2.c [2022-02-20 19:11:46,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76164a79/ead22703ed5a4cee988d6050e3f09c08/FLAG8a13ec03c [2022-02-20 19:11:46,606 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:11:46,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-1-6-sat-2.c [2022-02-20 19:11:46,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76164a79/ead22703ed5a4cee988d6050e3f09c08/FLAG8a13ec03c [2022-02-20 19:11:46,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76164a79/ead22703ed5a4cee988d6050e3f09c08 [2022-02-20 19:11:46,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:11:46,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:11:46,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:46,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:11:46,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:11:46,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:46" (1/1) ... [2022-02-20 19:11:46,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf74103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:46, skipping insertion in model container [2022-02-20 19:11:46,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:11:46" (1/1) ... [2022-02-20 19:11:46,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:11:47,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:11:47,432 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/xcsp/aim-200-1-6-sat-2.c[38265,38278] [2022-02-20 19:11:47,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:47,456 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:11:47,575 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/xcsp/aim-200-1-6-sat-2.c[38265,38278] [2022-02-20 19:11:47,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:11:47,603 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:11:47,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47 WrapperNode [2022-02-20 19:11:47,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:11:47,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:47,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:11:47,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:11:47,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,764 INFO L137 Inliner]: procedures = 13, calls = 723, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1333 [2022-02-20 19:11:47,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:11:47,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:11:47,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:11:47,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:11:47,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:11:47,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:11:47,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:11:47,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:11:47,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (1/1) ... [2022-02-20 19:11:47,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:11:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:11:47,896 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) [2022-02-20 19:11:47,915 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 [2022-02-20 19:11:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:11:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:11:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:11:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 19:11:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-02-20 19:11:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-02-20 19:11:48,086 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:11:48,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:11:49,085 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:11:49,104 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:11:49,104 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:11:49,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:49 BoogieIcfgContainer [2022-02-20 19:11:49,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:11:49,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:11:49,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:11:49,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:11:49,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:11:46" (1/3) ... [2022-02-20 19:11:49,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3b34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:49, skipping insertion in model container [2022-02-20 19:11:49,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:11:47" (2/3) ... [2022-02-20 19:11:49,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3b34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:11:49, skipping insertion in model container [2022-02-20 19:11:49,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:11:49" (3/3) ... [2022-02-20 19:11:49,119 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-200-1-6-sat-2.c [2022-02-20 19:11:49,123 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:11:49,124 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 19:11:49,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:11:49,193 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 19:11:49,193 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 19:11:49,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 927 states, 208 states have (on average 1.0096153846153846) internal successors, (210), 209 states have internal predecessors, (210), 716 states have call successors, (716), 1 states have call predecessors, (716), 1 states have return successors, (716), 716 states have call predecessors, (716), 716 states have call successors, (716) [2022-02-20 19:11:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3784 [2022-02-20 19:11:49,498 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:11:49,501 INFO L514 BasicCegarLoop]: trace histogram [716, 716, 716, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:11:49,502 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:11:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:11:49,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1877213488, now seen corresponding path program 1 times [2022-02-20 19:11:49,527 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 19:11:49,527 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666673609] [2022-02-20 19:11:49,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:11:49,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 19:11:49,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 19:11:49,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 19:11:49,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process