./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/xcsp/aim-200-1-6-unsat-4.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 1b001f470c24a62f4bd3e3be8a0014201f5c74288200955d224f93106cd478ae --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 06:44:06,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 06:44:06,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 06:44:06,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 06:44:06,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 06:44:06,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 06:44:06,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 06:44:06,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 06:44:06,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 06:44:06,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 06:44:06,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 06:44:07,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 06:44:07,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 06:44:07,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 06:44:07,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 06:44:07,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 06:44:07,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 06:44:07,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 06:44:07,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 06:44:07,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 06:44:07,019 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 06:44:07,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 06:44:07,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 06:44:07,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 06:44:07,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 06:44:07,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 06:44:07,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 06:44:07,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 06:44:07,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 06:44:07,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 06:44:07,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 06:44:07,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 06:44:07,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 06:44:07,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 06:44:07,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 06:44:07,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 06:44:07,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 06:44:07,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 06:44:07,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 06:44:07,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 06:44:07,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 06:44:07,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 06:44:07,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 06:44:07,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 06:44:07,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 06:44:07,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 06:44:07,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 06:44:07,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 06:44:07,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 06:44:07,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 06:44:07,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 06:44:07,082 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 06:44:07,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 06:44:07,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 06:44:07,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 06:44:07,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 06:44:07,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 06:44:07,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 06:44:07,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 06:44:07,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 06:44:07,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 06:44:07,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 06:44:07,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 06:44:07,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 06:44:07,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 06:44:07,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 06:44:07,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 06:44:07,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 06:44:07,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 06:44:07,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 06:44:07,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 06:44:07,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 06:44:07,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 06:44:07,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 06:44:07,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 06:44:07,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 06:44:07,088 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b001f470c24a62f4bd3e3be8a0014201f5c74288200955d224f93106cd478ae [2022-07-21 06:44:07,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 06:44:07,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 06:44:07,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 06:44:07,468 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 06:44:07,469 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 06:44:07,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-1-6-unsat-4.c [2022-07-21 06:44:07,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f68e903/9317675ebebe4538a782d9d8713551c0/FLAG99bd943ca [2022-07-21 06:44:08,133 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 06:44:08,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-1-6-unsat-4.c [2022-07-21 06:44:08,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f68e903/9317675ebebe4538a782d9d8713551c0/FLAG99bd943ca [2022-07-21 06:44:08,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67f68e903/9317675ebebe4538a782d9d8713551c0 [2022-07-21 06:44:08,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 06:44:08,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 06:44:08,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 06:44:08,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 06:44:08,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 06:44:08,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:44:08" (1/1) ... [2022-07-21 06:44:08,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65363e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:08, skipping insertion in model container [2022-07-21 06:44:08,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:44:08" (1/1) ... [2022-07-21 06:44:08,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 06:44:08,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 06:44:09,011 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-unsat-4.c[38269,38282] [2022-07-21 06:44:09,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 06:44:09,036 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 06:44:09,160 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-unsat-4.c[38269,38282] [2022-07-21 06:44:09,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 06:44:09,178 INFO L208 MainTranslator]: Completed translation [2022-07-21 06:44:09,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09 WrapperNode [2022-07-21 06:44:09,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 06:44:09,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 06:44:09,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 06:44:09,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 06:44:09,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,325 INFO L137 Inliner]: procedures = 13, calls = 723, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1533 [2022-07-21 06:44:09,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 06:44:09,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 06:44:09,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 06:44:09,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 06:44:09,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 06:44:09,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 06:44:09,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 06:44:09,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 06:44:09,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (1/1) ... [2022-07-21 06:44:09,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 06:44:09,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 06:44:09,476 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) [2022-07-21 06:44:09,488 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 [2022-07-21 06:44:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 06:44:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 06:44:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 06:44:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 06:44:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-07-21 06:44:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-07-21 06:44:09,650 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 06:44:09,651 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 06:44:10,564 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 06:44:10,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 06:44:10,583 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 06:44:10,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:44:10 BoogieIcfgContainer [2022-07-21 06:44:10,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 06:44:10,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 06:44:10,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 06:44:10,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 06:44:10,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:44:08" (1/3) ... [2022-07-21 06:44:10,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b7b551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:44:10, skipping insertion in model container [2022-07-21 06:44:10,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:44:09" (2/3) ... [2022-07-21 06:44:10,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b7b551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:44:10, skipping insertion in model container [2022-07-21 06:44:10,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:44:10" (3/3) ... [2022-07-21 06:44:10,596 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-200-1-6-unsat-4.c [2022-07-21 06:44:10,609 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 06:44:10,610 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 06:44:10,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 06:44:10,707 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d50f7fe, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@299a61c0 [2022-07-21 06:44:10,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 06:44:10,715 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) [2022-07-21 06:44:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3784 [2022-07-21 06:44:10,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:44:10,911 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-21 06:44:10,911 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 06:44:10,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:44:10,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1877213488, now seen corresponding path program 1 times [2022-07-21 06:44:10,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:44:10,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912417799] [2022-07-21 06:44:10,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:44:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:44:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat